Ejemplo n.º 1
0
pulsesequence()
     
{
  double        cpw,cpwr,jch,gtime1,gtime2,gtime,gdel,gzlvl1,
                gzlvl2,gzlvl,gzlvl0,gtime0,gstab0,hsw180,
                csw180,delt;
  
  int           iphase,icosel,ifad;
  
  char          p1pat[MAXSTR],hsweep[MAXSTR],csweep[MAXSTR];
  
  cpw = getval("cpw");
  cpwr = getval("cpwr");
  jch = getval("jch"); 
  gtime0 = getval("gtime0");
  gtime1 = getval("gtime1");
  gtime2 = getval("gtime2");
  gtime = getval("gtime");
  gzlvl0 = getval("gzlvl0");
  gzlvl1 = getval("gzlvl1");
  gzlvl2 = getval("gzlvl2");
  gzlvl = getval("gzlvl");
  gdel = getval("gdel");
  gstab0 = getval("gstab0");
  hsw180 = getval("hsw180");
  csw180 = getval("csw180");
  delt = getval("delt"); 
  
  getstr("p1pat",p1pat);
  getstr("hsweep",hsweep);
  getstr("csweep",csweep);
  
  iphase=(int)(getval("phase")+0.5);
  
  if(iphase==2)
    {
      icosel=-1;
    }
  
  else
    {
      icosel=1;
    }
  
  ifad=(int)(getval("ifad")+0.5);      /* if ifad != 0 do FAD */
  
  /* STEADY-STATE PHASECYCLING */
  /* This section determines if the phase calculations trigger off of (SS - SSCTR)
     or off of CT */
  
  ifzero(ssctr);
  assign(ct,v14);
  elsenz(ssctr);
  sub(ssval,ssctr,v14); /* v14 = 0,1,2,...,ss-1 */
  endif(ssctr);
  
  /* PHASE CYCLING */
  
  mod2(v14,v1);
  dbl(v1,v1);   /* v1=0202 */
  hlv(v14,v14);
  mod2(v14,v2);
  dbl(v2,v2);           /* v2=0022 */
  add(v1,v2,oph);
  hlv(v14,v14);
  mod2(v14,v3);
  dbl(v3,v3);
  add(one,v3,v3);       /* v3=4x1,4x3 */
  hlv(v14,v14);
  add(v14,v1,v1);
  add(v14,v2,v2);
  add(v14,v3,v3);
  add(v14,oph,oph);
  assign(v14,v12);
  add(one,v14,v13);
  
  if(ifad != 0)
    {
      initval(2.0*(double)(((int)(d2*sw1+0.5)%2)),v10);
      add(v10,oph,oph);
      add(v10,v12,v12); 
      add(v10,v1,v1);
    }
 
  /* check parameters */ 

   if((delt-gtime0-gstab0)<0.0)
     { 
       text_error("ABORT: delt-gtime0-gstab0 is negative");
       psg_abort(1);
     }                /* gtime has to be shorter than 1/(4j) */
 

   if((1.0/(4.0*jch)-gtime)<=0.0)
     { 
       text_error("ABORT: gtime too long!");
       psg_abort(1);
     }                /* gtime has to be shorter than 1/(4j) */
 
   
   if( (dpwr > 50) || (at > 1.2) )
     { 
       text_error("don't fry the probe!!!");
       psg_abort(1);
     }
   

   /* equilibrium period */
   
   status(A);
   
   delay(10.0e-6);
   decpower(cpwr);
   decoffset(dof);         /*Middle of the X spectrum*/
   delay(d1-delt-(10.0e-6));
   rgpulse(pw,zero,rof1,rof2);
   delay(1.0/(2.0*jch));
   simshaped_pulse(p1pat,csweep,p1,csw180,one,one,rof1,rof2);
   delay(1.0/(2.0*jch));
   rgpulse(pw,zero,rof1,rof2); 
   rgradient('z',gzlvl0);
   delay(gtime0);            
   rgradient('z',0.0); 
   delay(gstab0);
   delay(delt-gtime0-gstab0);
   
   /*   Normal BIRDy presat for carbon-12 protons.  Probably not
        strictly necessary, but doesn't hurt.  */
   
   
   status(B);
   
   /*  Start of pulse sequence. INEPT in: */
   
   rgpulse(pw,v14,rof1,rof2);
   delay(1.0/(4.0*jch));
   simshaped_pulse(p1pat,csweep,p1,csw180,v14,v12,rof1,rof2);
   delay(1.0/(4.0*jch));
   rgpulse(pw,v13,rof1,rof2);
   
   /* a short x or y gradient can be added right here to
      dephase any tranvserse magnetization */
   
   decrgpulse(cpw,v1,rof1,1.0e-6);
   
   delay(d2/2.0);
   shaped_pulse(hsweep,hsw180,v3,1.0e-6,1.0e-6);
   delay(d2/2.0);
   
   /*   CLUB sandwich: */
   
   zgradpulse(gzlvl1*(double)icosel,gtime1);
   delay(gdel);   
   decshaped_pulse(csweep,csw180,v14,rof1,rof2);
   zgradpulse(-gzlvl1*(double)icosel,gtime1);
   delay(gdel);    
   delay(hsw180+(4.0*cpw/3.1416)+(4.0e-6)+WFG_START_DELAY+WFG_STOP_DELAY);
   zgradpulse(-gzlvl2*(double)icosel,gtime2);
   delay(gdel);    
   decshaped_pulse(csweep,csw180,v14,rof1,rof2);
   zgradpulse(gzlvl2*(double)icosel,gtime2);
   delay(gdel);    
   
   /* INEPT out */
   decrgpulse(cpw,v2,1.0e-6,rof2);
   rgpulse(pw,v14,rof1,rof2);
   delay(1.0/(4.0*jch));
   simshaped_pulse(p1pat,csweep,p1,csw180,v14,v14,rof1,rof2);
   zgradpulse(gzlvl,gtime);
   delay(1.0/(4.0*jch)-gtime); 
   
   decpower(dpwr);  /* CAUTION set dpwr to 47dB and acquire for < 1 sec */
   
   status(C);
   
}
Ejemplo n.º 2
0
pulsesequence()
{
/* DECLARE VARIABLES */

 char       autocal[MAXSTR],  /* auto-calibration flag */
            fsat[MAXSTR],
	    fscuba[MAXSTR],
            f1180[MAXSTR],    /* Flag to start t1 @ halfdwell             */
            f2180[MAXSTR],    /* Flag to start t2 @ halfdwell             */
            f3180[MAXSTR],    /* Flag to start t3 @ halfdwell             */
            fco180[MAXSTR],    /* Flag for checking sequence              */
            fca180[MAXSTR],    /* Flag for checking sequence              */
            spca180[MAXSTR],  /* string for the waveform Ca 180 */
            spco180[MAXSTR],  /* string for the waveform Co 180 */
            spchirp[MAXSTR],  /* string for the waveform reburp 180 */
            ddseq[MAXSTR],    /* 2H decoupling seqfile */
            shp_sl[MAXSTR],   /* string for seduce shape */
            sel_flg[MAXSTR];

 int         phase, phase2, phase3, ni2, ni3, icosel,
             t1_counter,   /* used for states tppi in t1           */ 
             t2_counter,   /* used for states tppi in t2           */ 
             t3_counter;   /* used for states tppi in t3           */ 

 double      tau1,         /*  t1 delay */
             tau2,         /*  t2 delay */
             tau3,         /*  t2 delay */
             taua,         /*  ~ 1/4JNH =  2.25 ms */
             taub,         /*  ~ 1/4JNH =  2.25 ms */
             zeta,        /* time for C'-N to refocuss set to 0.5*24.0 ms */
             bigTN,       /* nitrogen T period */
             pwc90,       /* PW90 for c nucleus @ d_c90         */
             pwc180on,    /* PW180 at @ d_c180         */
             pwchirp,     /* PW180 for ca nucleus @ d_creb         */
             pwc180off,     /* PW180 at d_c180 + pad              */
             tsatpwr,     /* low level 1H trans.power for presat  */
             d_c90,       /* power level for 13C pulses(pwc90 = sqrt(15)/4delta)
                             delta is the separation between Ca and Co  */
             d_c180,      /* power level for 180 13C pulses
				(pwc180on=sqrt(3)/2delta   */
	     d_chirp,
             sw1,          /* sweep width in f1                    */             
             sw2,          /* sweep width in f2                    */             
             sw3,          /* sweep width in f3                    */             
             pw_sl,        /* pw90 for H selective pulse on water ~ 2ms */
             phase_sl,     /* phase for pw_sl */
             tpwrsl,       /* power level for square pw_sl       */

	     pwDlvl,	   /* Power for D decoupling */
	     pwD,	   /* pw90 at pwDlvl  */

	     pwC, pwClvl,  /* C-13 calibration */
	     compC, 

             pwN,         /* PW90 for 15N pulse              */
             pwNlvl,       /* high dec2 pwr for 15N hard pulses    */

             gstab,       /* delay to compensate for gradient gt5 */

             gt1,
             gt2,
             gt3,
             gt4,
             gt5,
             gt6,
             gt7,
             gt8,
             gt9,
             gzlvl1,
             gzlvl2,
             gzlvl3,
             gzlvl4,
             gzlvl5,
             gzlvl6,
             gzlvl7, 
             gzlvl8, 
             gzlvl9; 

/* LOAD VARIABLES */


  getstr("autocal",autocal);
  getstr("fsat",fsat);
  getstr("fco180",fco180);
  getstr("fca180",fca180);
  getstr("f1180",f1180);
  getstr("f2180",f2180);
  getstr("f3180",f3180);
  getstr("fscuba",fscuba);
  getstr("ddseq",ddseq);
  getstr("shp_sl",shp_sl);

  getstr("sel_flg",sel_flg);

  taua   = getval("taua"); 
  taub   = getval("taub"); 
  zeta  = getval("zeta");
  bigTN = getval("bigTN");
  tpwr = getval("tpwr");
  tsatpwr = getval("tsatpwr");
  dpwr = getval("dpwr");
  pwN = getval("pwN");
  pwNlvl = getval("pwNlvl");
  pwD = getval("pwD");
  pwDlvl = getval("pwDlvl");
  phase = (int) ( getval("phase") + 0.5);
  phase2 = (int) ( getval("phase2") + 0.5);
  phase3 = (int) ( getval("phase3") + 0.5);
  sw1 = getval("sw1");
  sw2 = getval("sw2");
  sw3 = getval("sw3");
  ni2 = getval("ni2");
  ni3 = getval("ni3");
  pw_sl = getval("pw_sl");
  phase_sl = getval("phase_sl");
  tpwrsl = getval("tpwrsl");

  gstab = getval("gstab");

  gt1 = getval("gt1");
  if (getval("gt2") > 0) gt2=getval("gt2");
    else gt2=gt1*0.1;
  gt3 = getval("gt3");
  gt4 = getval("gt4");
  gt5 = getval("gt5");
  gt6 = getval("gt6");
  gt7 = getval("gt7");
  gt8 = getval("gt8");
  gt9 = getval("gt9");

  gzlvl1 = getval("gzlvl1");
  gzlvl2 = getval("gzlvl2");
  gzlvl3 = getval("gzlvl3");
  gzlvl4 = getval("gzlvl4");
  gzlvl5 = getval("gzlvl5");
  gzlvl6 = getval("gzlvl6");
  gzlvl7 = getval("gzlvl7");
  gzlvl8 = getval("gzlvl8");
  gzlvl9 = getval("gzlvl9");

  if(autocal[0]=='n')
  {     
    getstr("spca180",spca180);
    getstr("spco180",spco180);
    getstr("spchirp",spchirp);
    pwc90 = getval("pwc90");
    pwc180on = getval("pwc180on");
    pwc180off = getval("pwc180off");
    d_c90 = getval("d_c90");
    d_c180 = getval("d_c180");
    pwchirp = getval("pwchirp");
    d_chirp = getval("d_chirp");    
  }
  else
  {    
    strcpy(spca180,"Phard180ca");
    strcpy(spco180,"Phard180co");    
    strcpy(spchirp,"Pchirp180");    
    
    if (FIRST_FID)
    {
      pwC = getval("pwC");
      compC = getval("compC");
      pwClvl = getval("pwClvl");
      co90 = pbox("cal", CO90, CO180ps, dfrq, pwC*compC, pwClvl);          
      co180 = pbox("cal", CO180, CO180ps, dfrq, pwC*compC, pwClvl);          
      ca180 = pbox(spca180, CA180, CA180ps, dfrq, pwC*compC, pwClvl);  
      co180a = pbox(spco180, CO180a, CA180ps, dfrq, pwC*compC, pwClvl);                        
      chirp = pbox(spchirp, CHIRP, CHIRPps, dfrq, pwC*compC, pwClvl);
    }
    pwc90 = co90.pw;         d_c90 = co90.pwr;
    pwc180on = co180.pw;     d_c180 = co180.pwr;    
    pwc180off = ca180.pw;            
    pwchirp = chirp.pw;      d_chirp = chirp.pwr;    
  }   

/* LOAD PHASE TABLE */

  settable(t1,2,phi1);
  settable(t2,2,phi2);
  settable(t3,4,phi3);
  settable(t4,1,phi4);
  settable(t5,4,phi5);
  settable(t6,4,rec);

/* CHECK VALIDITY OF PARAMETER RANGES */


    if( bigTN - (ni3-1)*0.5/sw3 - WFG3_START_DELAY < 0.2e-6 )
    {
        text_error(" ni3 is too big\n");
        text_error(" please set ni3 smaller or equal to %d\n",
			(int) ((bigTN -WFG3_START_DELAY)*sw3*2.0) +1 );
        psg_abort(1);
    }


    if((dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' || dm[D] == 'y' ))
    {
        text_error("incorrect dec1 decoupler flags!  ");
        psg_abort(1);
    }

    if((dm2[A] == 'y' || dm2[B] == 'y' || dm2[C] == 'y' || dm2[D] == 'y'))
    {
        text_error("incorrect dec2 decoupler flags! Should be 'nnnn' ");
        psg_abort(1);
    }


    if( tsatpwr > 6 )
    {
        text_error("TSATPWR too large !!!  ");
        psg_abort(1);
    }

    if( dpwr > 46 )
    {
        text_error("don't fry the probe, DPWR too large!  ");
        psg_abort(1);
    }

    if( dpwr2 > 46 )
    {
        text_error("don't fry the probe, DPWR2 too large!  ");
        psg_abort(1);
    }

    if( dpwr3 > 50 )
    {
        text_error("don't fry the probe, dpwr3 too large!  ");
        psg_abort(1);
    }

    if( d_c90 > 62 )
    {
        text_error("don't fry the probe, DHPWR too large!  ");
        psg_abort(1);
    }

    if( pw > 200.0e-6 )
    {
        text_error("dont fry the probe, pw too high ! ");
        psg_abort(1);
    } 
    if( pwN > 200.0e-6 )
    {
        text_error("dont fry the probe, pwN too high ! ");
        psg_abort(1);
    } 
    if( pwc90 > 200.0e-6 )
    {
        text_error("dont fry the probe, pwc90 too high ! ");
        psg_abort(1);
    } 
    if( pwc180off > 200.0e-6 )
    {
        text_error("dont fry the probe, pwc180 too high ! ");
        psg_abort(1);
    } 

    if( gt3 > 2.5e-3 ) 
    {
        text_error("gt3 is too long\n");
        psg_abort(1);
    }
    if( gt1 > 10.0e-3 || gt2 > 10.0e-3 || gt4 > 10.0e-3 || gt5 > 10.0e-3
        || gt6 > 10.0e-3 || gt7 > 10.0e-3 || gt8 > 10.0e-3
	|| gt9 > 10.0e-3)
    {
        text_error("gt values are too long. Must be < 10.0e-3 or gt11=50us\n");
        psg_abort(1);
    } 

    if((fca180[A] == 'y') && (ni2 > 1))
    {
        text_error("must set fca180='n' to allow Calfa evolution (ni2>1)\n");
        psg_abort(1);
    } 

    if((fco180[A] == 'y') && (ni > 1))
    {
        text_error("must set fco180='n' to allow CO evolution (ni>1)\n");
        psg_abort(1);
    } 


/*  Phase incrementation for hypercomplex 2D data */

    if (phase == 2) tsadd(t1,1,4);

    if (phase2 == 2) tsadd(t5,1,4);

    if (phase3 == 2) { tsadd(t4, 2, 4); icosel = 1; }
      else icosel = -1;

/*  Set up f1180  tau1 = t1               */
   
    tau1 = d2;
    if((f1180[A] == 'y') && (ni > 1)) {
      if (pwc180off > 2.0*pwN) 
        tau1 += (1.0/(2.0*sw1) - 4.0*pwc90/PI - pwc180off 
	      - WFG3_START_DELAY - WFG3_STOP_DELAY - 4.0e-6 - 2.0*POWER_DELAY - 4.0e-6);
      else 
        tau1 += (1.0/(2.0*sw1) - 4.0*pwc90/PI - 2.0*pwN 
              - WFG3_START_DELAY - WFG3_STOP_DELAY - 4.0e-6 - 2.0*POWER_DELAY - 4.0e-6);

        if(tau1 < 0.2e-6) {
         tau1 = 0.4e-6;
	 text_error("tau1 could be negative");
	}
    }
    else
    {

      if (pwc180off > 2.0*pwN)
        tau1 = tau1 - 4.0*pwc90/PI - pwc180off
              - WFG3_START_DELAY - WFG3_STOP_DELAY - 4.0e-6 - 2.0*POWER_DELAY - 4.0e-6;
      else
        tau1 = tau1 - 4.0*pwc90/PI - 2.0*pwN 
              - WFG3_START_DELAY - WFG3_STOP_DELAY - 4.0e-6 - 2.0*POWER_DELAY - 4.0e-6;
 
        if(tau1 < 0.2e-6) tau1 = 0.4e-6;
     }

        tau1 = tau1/2.0;

/*  Set up f2180  tau2 = t2               */

    tau2 = d3;
    if((f2180[A] == 'y') && (ni2 > 1)) {
	if (pwc180off > 2.0*pwN)
          tau2 += ( 1.0 / (2.0*sw2) - 4.0*pwc90/PI - 4.0e-6
		 - 2.0*POWER_DELAY
		 - WFG3_START_DELAY - pwc180off - WFG3_STOP_DELAY - 4.0e-6);
	else
          tau2 += ( 1.0 / (2.0*sw2) - 4.0*pwc90/PI - 4.0e-6
                 - 2.0*POWER_DELAY
                 - WFG3_START_DELAY - 2.0*pwN - WFG3_STOP_DELAY - 4.0e-6);
        if(tau2 < 0.2e-6) {
	  tau2 = 0.4e-6;
	  text_error("tau2 could be negative");
 	} 

    }
    else
    {
        if (pwc180off > 2.0*pwN)
          tau2 = tau2 - 4.0*pwc90/PI - 4.0e-6
                 - 2.0*POWER_DELAY
                 - WFG3_START_DELAY - pwc180off - WFG3_STOP_DELAY - 4.0e-6;
        else
          tau2 = tau2 - 4.0*pwc90/PI - 4.0e-6
                 - 2.0*POWER_DELAY
                 - WFG3_START_DELAY - 2.0*pwN - WFG3_STOP_DELAY - 4.0e-6;
        if(tau2 < 0.2e-6) tau2 = 0.4e-6;
    }

        tau2 = tau2/2.0;

/*  Set up f3180  tau3 = t3               */
 
    tau3 = d4;
    if ((f3180[A] == 'y') && (ni3 > 1)) {
        tau3 += ( 1.0 / (2.0*sw3) );
        if(tau3 < 0.2e-6) tau3 = 0.4e-6;
    }
        tau3 = tau3/2.0;

/* Calculate modifications to phases for States-TPPI acquisition          */

   if( ix == 1) d2_init = d2 ;
   t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
   if(t1_counter % 2) {
      tsadd(t1,2,4);     
      tsadd(t6,2,4);    
    }

   if( ix == 1) d3_init = d3 ;
   t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
   if(t2_counter % 2) {
      tsadd(t5,2,4);
      tsadd(t6,2,4);
    }

   if( ix == 1) d4_init = d4 ;
   t3_counter = (int) ( (d4-d4_init)*sw3 + 0.5 );
   if(t3_counter % 2) {
      tsadd(t2,2,4);  
      tsadd(t6,2,4);    
    }

/* BEGIN ACTUAL PULSE SEQUENCE */

status(A);
   obsoffset(tof);
   decoffset(dof);		/* set Dec1 carrier at Co		      */
   obspower(tsatpwr);      /* Set transmitter power for 1H presaturation */
   decpower(d_chirp);      /* Set Dec1 power for hard 13C pulses         */
   dec2power(pwNlvl);      /* Set Dec2 power for 15N hard pulses         */

/* Presaturation Period */

   if (fsat[0] == 'y')
     {
      delay(2.0e-5);
      rgpulse(d1,zero,2.0e-6,2.0e-6); /* presaturation */
      obspower(tpwr);      /* Set transmitter power for hard 1H pulses */
      delay(2.0e-5);
      if (fscuba[0] == 'y')
        {
         delay(2.2e-2);
         rgpulse(pw,zero,2.0e-6,0.0);
         rgpulse(2*pw,one,2.0e-6,0.0);
         rgpulse(pw,zero,2.0e-6,0.0);
         delay(2.2e-2);
        }
     }
    else
     {
      delay(d1);
     }

   obspower(tpwr);           /* Set transmitter power for hard 1H pulses */
   txphase(zero);
   dec2phase(zero);
   delay(1.0e-5);

/* Begin Pulses */

status(B);

   rcvroff();
   lk_hold();
   delay(20.0e-6);

   initval(1.0,v2);
   obsstepsize(phase_sl);
   xmtrphase(v2);

   /* shaped pulse */
   obspower(tpwrsl);
   shaped_pulse(shp_sl,pw_sl,one,4.0e-6,0.0);
   xmtrphase(zero);
   obspower(tpwr);  txphase(zero);  
   delay(4.0e-6);
   /* shaped pulse */

   rgpulse(pw,zero,0.0,0.0);                    /* 90 deg 1H pulse */

   delay(0.2e-6);
   zgradpulse(gzlvl5,gt5);
   delay(2.0e-6);

   delay(taua - gt5 - 2.2e-6);   /* taua <= 1/4JNH */ 

   sim3pulse(2*pw,0.0e-6,2*pwN,zero,zero,zero,0.0,0.0);

   txphase(three); dec2phase(zero); decphase(zero); 

   delay(0.2e-6);
   zgradpulse(gzlvl5,gt5);
   delay(200.0e-6);

   delay(taua - gt5 - 200.2e-6 - 2.0e-6); 

   if (sel_flg[A] == 'n') 
     {
      rgpulse(pw,three,2.0e-6,0.0);

      delay(0.2e-6);
      zgradpulse(gzlvl3,gt3);
      delay(200.0e-6);

      dec2rgpulse(pwN,zero,0.0,0.0);

      delay( zeta );
  
      dec2rgpulse(2.0*pwN,zero,0.0,0.0);
      decshaped_pulse(spchirp,pwchirp,zero,0.0,0.0);

      delay(zeta -WFG_START_DELAY -pwchirp -WFG_STOP_DELAY -2.0e-6);

     dec2rgpulse(pwN,zero,2.0e-6,0.0);

    }
   else 
    {
     rgpulse(pw,one,2.0e-6,0.0);

     initval(1.0,v3);
     dec2stepsize(45.0); 
     dcplr2phase(v3);

     delay(0.2e-6);
     zgradpulse(gzlvl3,gt3);
     delay(200.0e-6);

     dec2rgpulse(pwN,zero,0.0,0.0);
     dcplr2phase(zero);

     delay(1.34e-3 - SAPS_DELAY - 2.0*pw);

     rgpulse(pw,one,0.0,0.0);
     rgpulse(2.0*pw,zero,0.0,0.0);
     rgpulse(pw,one,0.0,0.0);

     delay( zeta - 1.34e-3 - 2.0*pw);
  
     dec2rgpulse(2.0*pwN,zero,0.0,0.0);
     decshaped_pulse(spchirp,pwchirp,zero,0.0,0.0);

     delay(zeta -WFG_START_DELAY -pwchirp -WFG_STOP_DELAY -2.0e-6);

     dec2rgpulse(pwN,zero,2.0e-6,0.0);
    }

   dec2phase(zero); decphase(t1);
   decpower(d_c90);

   delay(0.2e-6);
   zgradpulse(gzlvl8,gt8);
   delay(200.0e-6);

   decrgpulse(pwc90,t1,2.0e-6,0.0);
/* t1 period for Co evolution begins */
   if (fco180[A]=='n')  
     {
      decpower(d_c180);

      delay(tau1);
      sim3shaped_pulse("",spca180,"",0.0,pwc180off,2.0*pwN,zero,zero,zero,4.0e-6,0.0);

      decpower(d_c90);

       delay(tau1);
     }
   else /* for checking sequence */
     {
      decpower(d_c180);
      decrgpulse(pwc180on,zero,4.0e-6,0.0);
      decpower(d_c90);
     }
/* t1 period for Co evolution ends */
   decrgpulse(pwc90,zero,4.0e-6,0.0);

   decoffset(dof-(174-56)*dfrq);   /* change Dec1 carrier to Ca (55 ppm) */
   delay(0.2e-6);
   zgradpulse(gzlvl4,gt4);
   delay(150.0e-6);

   /* Turn on D decoupling using the third decoupler */
   dec3phase(one);
   dec3power(pwDlvl);
   dec3rgpulse(pwD,one,4.0e-6,0.0);
   dec3phase(zero);
   dec3power(dpwr3);
   dec3unblank();
   setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
   /* Turn on D decoupling */

   decrgpulse(pwc90,t5,2.0e-6,0.0);
/* t2 period  for Ca evolution begins */
  if (fca180[A]=='n')
    {
     decphase(zero); dec2phase(zero);
     decpower(d_c180); 
     delay(tau2);
     sim3shaped_pulse("",spco180,"",0.0,pwc180off,2.0*pwN,zero,zero,zero,4.0e-6,0.0);
     decpower(d_c90); 
     delay(tau2);
    }
   else /* for checking sequence */
    {
     decpower(d_c180);
     decrgpulse(pwc180on,zero,4.0e-6,0.0);
     decpower(d_c90);
    }
/* t2 period  for Ca evolution ends */
   decrgpulse(pwc90,zero,4.0e-6,0.0);
 
   /* Turn off D decoupling */
   setstatus(DEC3ch, FALSE, 'c', FALSE, dmf3);
   dec3blank();
   dec3phase(three);
   dec3power(pwDlvl);
   dec3rgpulse(pwD,three,4.0e-6,0.0);
   /* Turn off D decoupling */

   decoffset(dof);   /* set carrier back to Co */
   decpower(d_chirp);

   delay(0.2e-6);
   zgradpulse(gzlvl9,gt9);
   delay(150.0e-6);

/* t3 period begins */
   dec2rgpulse(pwN,t2,2.0e-6,0.0);

   dec2phase(t3);

   delay(bigTN - tau3);

   dec2rgpulse(2.0*pwN,t3,0.0,0.0);
   decshaped_pulse(spchirp,pwchirp,zero,0.0,0.0);

   txphase(zero);
   dec2phase(t4);

   delay(0.2e-6);
   zgradpulse(gzlvl1,gt1);
   delay(500.0e-6);

   delay(bigTN - WFG_START_DELAY - pwchirp - WFG_STOP_DELAY
         -gt1 -500.2e-6 -2.0*GRADIENT_DELAY);

   delay(tau3);

   sim3pulse(pw,0.0e-6,pwN,zero,zero,t4,0.0,0.0);
/* t3 period ends */

   decpower(d_c90);
   decrgpulse(pwc90,zero,4.0e-6,0.0);
   decoffset(dof-(174-56)*dfrq);
   decrgpulse(pwc90,zero,20.0e-6,0.0);

   delay(0.2e-6);
   zgradpulse(gzlvl6,gt6);
   delay(2.0e-6);

   dec2phase(zero);
   delay(taub - POWER_DELAY - 4.0e-6 - pwc90 - 20.0e-6 - pwc90 - gt6 - 2.2e-6);

   sim3pulse(2*pw,0.0e-6,2*pwN,zero,zero,zero,0.0,0.0);

   decoffset(dof);
   delay(0.2e-6);
   zgradpulse(gzlvl6,gt6);
   delay(200.0e-6);
   
   txphase(one);
   dec2phase(one);

   delay(taub - gt6 - 200.2e-6);

   sim3pulse(pw,0.0e-6,pwN,one,zero,one,0.0,0.0);

   delay(0.2e-6);
   zgradpulse(gzlvl7,gt7);
   delay(2.0e-6);
 
   txphase(zero);
   dec2phase(zero);

   delay(taub - gt7 - 2.2e-6);

   sim3pulse(2*pw,0.0e-6,2*pwN,zero,zero,zero,0.0,0.0);

   delay(0.2e-6);
   zgradpulse(gzlvl7,gt7);
   delay(200.0e-6);

   delay(taub - gt7 - 200.2e-6);

   sim3pulse(pw,0.0e-6,pwN,zero,zero,zero,0.0,0.0);

   delay(gt2 +gstab -0.5*(pwN -pw) -2.0*pw/PI);

   rgpulse(2*pw,zero,0.0,0.0);

   delay(2.0e-6);
   zgradpulse(icosel*gzlvl2,gt2);
   decpower(dpwr);
   dec2power(dpwr2);
   delay(gstab -2.0e-6 -2.0*GRADIENT_DELAY -2.0*POWER_DELAY);

   lk_sample();
/* BEGIN ACQUISITION */
status(C);
   setreceiver(t6);

}
Ejemplo n.º 3
0
pulsesequence()
{
 char    
    f1180[MAXSTR],    
    f2180[MAXSTR],
    mag_flg[MAXSTR];  /* y for magic angle, n for z-gradient only  */

 int        
    icosel,
    t1_counter,   
    t2_counter;   

 double      
    ni2,  
    ratio,        /* used to adjust t1 semi-constant time increment */
    tau1,       
    tau2,       
    taua,         /*  ~ 1/4JCH =  1.5 ms - 1.7 ms]        */
    taub,         /*  ~ 3.3 ms          */
    bigTC,        /*  ~ 8 ms            */
    bigTCO,       /*  ~ 6 ms           */
    bigTN,        /*  ~ 12 ms           */
    tauc,         /*  ~ 5.4 ms          */
    taud,         /*  ~ 2.3 ms          */
    gstab,         /*  ~0.2 ms, gradient recovery time     */

    pwClvl,   /* High power level for carbon on channel 2 */
    pwC,      /* C13 90 degree pulse length at pwClvl     */

    compH,     /* Compression factor for H1 on channel 1  */
    compC,     /* Compression factor for C13 on channel 2  */
    pwNlvl,   /* Power level for Nitrogen on channel 3    */
    pwN,      /* N15 90 degree pulse lenght at pwNlvl     */
    maxpwCN,
    bw, ofs, ppm, /* bandwidth, offset, ppm - temporary Pbox parameters */
    pwCa90,   /*90 "offC13" pulse at Ca(56ppm) xmtr at CO(174ppm) */
    pwCa180,  /*180 "offC17" pulse at Ca(56ppm) xmtr at CO(174ppm) */
    pwCO90,   /* 90 "offC6" pulse at CO(174ppm) xmtr at CO(174ppm)*/
    pwCO180,  /* 180 "offC8" pulse at CO(174ppm) xmtr at CO(174ppm)*/
    pwCab180, /* 180 "offC27" pulse at Cab(46ppm) xmtr at CO(174ppm)*/

    tpwrHd,   /* Power level for proton decoupling on channel 1  */
    pwHd,     /* H1 90 degree pulse lenth at tpwrHd.             */
    waltzB1 = getval("waltzB1"),  /* waltz16 field strength (in Hz)     */

    phi_CO,   /* phase correction for Bloch-Siegert effect on CO */
    phi_Ca,   /* phase correction for Bloch-Siegert effect on Ca */

    gt1,
    gt2,
    gt3,
    gt4, 
    gt5,
    gt6,
    gt7,
    gt0,

    gzlvl1,  
    gzlvl2,   
    gzlvl3,
    gzlvl4, 
    gzlvl5,
    gzlvl6,   /* N15 selection gradient level in DAC units */
    gzlvl7,
    gzlvl0,   /* H1 gradient level in DAC units            */
    gzcal,    /* gradient calibration (gcal)               */
    dfCa180,
    dfCab180,
    dfC90,
    dfCa90,
    dfCO180;
 
         
/* LOAD VARIABLES */

    getstr("f1180",f1180);
    getstr("f2180",f2180);
    getstr("mag_flg", mag_flg);

    gzcal  = getval("gzcal");
      ni2  = getval("ni2");
    taua   = getval("taua"); 
    taub   = getval("taub");
    tauc = getval("tauc");
    bigTC = getval("bigTC");
    bigTCO = getval("bigTCO");
    bigTN = getval("bigTN");
    taud = getval("taud");
    gstab = getval("gstab");
  
    pwClvl = getval("pwClvl");
    pwC = getval("pwC");
    compH = getval("compH");
    compC = getval("compC");

    pwNlvl = getval("pwNlvl");
    pwN = getval("pwN");

    phi_CO = getval("phi_CO");
    phi_Ca = getval("phi_Ca");

    gt1 = getval("gt1");
    gt2 = getval("gt2");
    gt3 = getval("gt3");
    gt4 = getval("gt4");
    gt5 = getval("gt5");
    gt6 = getval("gt6");
    gt7 = getval("gt7");
    gt0 = getval("gt0");
 
    gzlvl1 = getval("gzlvl1");
    gzlvl2 = getval("gzlvl2");
    gzlvl3 = getval("gzlvl3");
    gzlvl4 = getval("gzlvl4");
    gzlvl5 = getval("gzlvl5");
    gzlvl6 = getval("gzlvl6");
    gzlvl7 = getval("gzlvl7");
    gzlvl0 = getval("gzlvl0");

    setautocal();                        /* activate auto-calibration flags */ 
        
    if (autocal[0] == 'n') 
    { 
      pwCa90 = getval("pwCa90");
      pwCa180 = getval("pwCa180");
      pwCab180 = getval("pwCab180");
      pwCO90 = getval("pwCO90");
      pwCO180 = getval("pwCO180");

      dfCa180 = (compC*4095.0*pwC*2.0*1.69)/pwCa180;           /*power for "offC17" pulse*/
      dfCab180 = (compC*4095.0*pwC*2.0*1.69)/pwCab180;       /*power for "offC27" pulse*/
      dfC90  = (compC*4095.0*pwC*1.69)/pwCO90;                  /*power for "offC6" pulse */
      dfCa90  = (compC*4095.0*pwC)/pwCa90;                     /*power for "offC13" pulse*/
      dfCO180  = (compC*4095.0*pwC*2.0*1.65)/pwCO180;          /*power for "offC8" pulse */

      dfCa90 = (int) (dfCa90 + 0.5);
      dfCa180 = (int) (dfCa180 + 0.5);
      dfC90 = (int) (dfC90 + 0.5);
      dfCO180 = (int) (dfCO180 + 0.5);	
      dfCab180 = (int) (dfCab180 +0.5);

    /* power level and pulse time for WALTZ 1H decoupling */
	pwHd = 1/(4.0 * waltzB1) ;                          
	tpwrHd = tpwr - 20.0*log10(pwHd/(compH*pw));
	tpwrHd = (int) (tpwrHd + 0.5);
    }
    else
    {
      if(FIRST_FID)                                            /* call Pbox */
      {
        ppm = getval("dfrq"); bw = 118.0*ppm; ofs = -118.0*ppm;
        offC6 = pbox_make("offC6", "sinc90n", bw, 0.0, compC*pwC, pwClvl);
        offC8 = pbox_make("offC8", "sinc180n", bw, 0.0, compC*pwC, pwClvl);
        offC17 = pbox_make("offC17", "sinc180n", bw, ofs, compC*pwC, pwClvl);
        bw = 128.0*ppm;
        offC13 = pbox_make("offC13", "square90n", bw, ofs, compC*pwC, pwClvl);
        ofs = -128.0*ppm;
        offC27 = pbox_make("offC27", "sinc180n", bw, ofs, compC*pwC, pwClvl);
        bw = 2.8*7500.0;
        wz16 = pbox_Dcal("WALTZ16", 2.8*waltzB1, 0.0, compH*pw, tpwr);

        ofs_check(H1ofs, C13ofs, N15ofs, H2ofs);
      } 
      dfC90 = offC6.pwrf;      pwCO90 = offC6.pw;
      dfCO180 = offC8.pwrf;    pwCO180 = offC8.pw;
      dfCa90 = offC13.pwrf;    pwCa90 = offC13.pw;
      dfCa180 = offC17.pwrf;   pwCa180 = offC17.pw;
      dfCab180 = offC27.pwrf;  pwCab180 = offC27.pw;
      tpwrHd = wz16.pwr;       pwHd = 1.0/wz16.dmf;
    }

    maxpwCN = 2.0*pwN;
    if (pwCab180 > pwN) maxpwCN = pwCab180;

/* LOAD PHASE TABLE */

    settable(t1,4,phi1);
    settable(t2,2,phi2);
    settable(t3,8,phi3);
    settable(t4,16,phi4);
    settable(t5,1,phi5);
   
    settable(t16,8,rec); 

/* CHECK VALIDITY OF PARAMETER RANGES */
   
    if(ni > 64)
    {
       printf("ni is out of range. Should be: 14 to 64 ! \n");
       psg_abort(1);
    }
/*
    if(ni/sw1 > 2.0*(bigTCO))
    {
       printf("ni is too big, should be < %f\n", sw1*2.0*(bigTCO));
       psg_abort(1);
    }
*/

    if(ni2/sw2 > 2.0*(bigTN - pwCO180))
    {
       printf("ni2 is too big, should be < %f\n",2.0*sw2*(bigTN-pwCO180));
       psg_abort(1);
    }

    if((dm[A] == 'y' || dm[B] == 'y' ))
    {
       printf("incorrect dec1 decoupler flags! Should be 'nnn' ");
       psg_abort(1);
    }

    if((dm2[A] == 'y' || dm2[B] == 'y'))
    {
       printf("incorrect dec2 decoupler flags! Should be 'nny' ");
       psg_abort(1);
    }


    if( dpwr > 50 )
    {
        printf("don't fry the probe, DPWR too large!  ");
        psg_abort(1);
    }

/*  Phase incrementation for hypercomplex 2D data */

    if (phase1 == 1) 
    {
       tsadd(t1, 1, 4);   
    }

    if (phase2 == 2)
    {
       tsadd(t5,2,4);
       icosel = 1; 
    }
    else icosel = -1;

   
/*  Set up f1180  tau1 = t1               */
      
    tau1 = d2;
    if ((f1180[A] == 'y') && (ni > 1))
      { tau1 += (1.0/(2.0*sw1)); }
    if(tau1 < 0.2e-6) tau1 = 0.0;
    tau1 = tau1/4.0;

    ratio = 2.0*bigTCO*sw1/((double) ni);
    ratio = (double)((int)(ratio*100.0))/100.0;
    if (ratio > 1.0) ratio = 1.0;
    if((dps_flag) && (ni > 1)) 
        printf("ratio = %f => %f\n",2.0*bigTCO*sw1/((double) ni), ratio);

/*  Set up f2180  tau2 = t2               */
    tau2 = d3;
    if ((f2180[A] == 'y') && (ni2 > 1))
      { tau2 += (1.0/(2.0*sw2)); }
    if(tau2 < 0.2e-6) tau2 = 0.0;
    tau2 = tau2/4.0;
 

/* Calculate modifications to phases for States-TPPI acquisition  */

    if( ix == 1) d2_init = d2 ;
    t1_counter = (int)((d2-d2_init)*sw1 + 0.5);
    
    if((t1_counter % 2)) 
    {
       tsadd(t1,2,4);     
       tsadd(t16,2,4);    
    }

    if( ix == 1) d3_init = d3 ;
    t2_counter = (int)((d3-d3_init)*sw2 + 0.5);
    if((t2_counter % 2)) 
    {
       tsadd(t2,2,4);  
       tsadd(t16,2,4);    
    }

    decstepsize(1.0);
    initval(phi_CO, v1);
    initval(phi_Ca, v2);

/* BEGIN ACTUAL PULSE SEQUENCE */

status(A);
   	delay(d1-1.0e-3);
    obsoffset(tof);
    decoffset(dof);
    obspower(tpwr);        
    decpower(pwClvl);
    decpwrf(4095.0);
    dec2power(pwNlvl);
    txphase(zero);
    decphase(zero);
    dec2phase(zero);
    rcvroff();

    if(gt6 > 0.2e-6)
    {
       delay(10.0e-6);
       decrgpulse(pwC, zero, 1.0e-6, 1.0e-6);
       delay(0.2e-6);
       zgradpulse(gzlvl6, gt6);
    }  
    decpwrf(dfCa180); 
    delay(1.0e-3);

    rgpulse(pw,zero,1.0e-6,1.0e-6);            
    delay(2.0e-6);
    zgradpulse(gzlvl0,gt0);  
    delay(taua - gt0 - 2.0e-6 - WFG_START_DELAY);

    simshaped_pulse("","offC17",2.0*pw,pwCa180,zero,zero,1.0e-6,1.0e-6);
      /* c13 offset on CO, slp 180 on Ca */
    delay(taua - gt0 - 500.0e-6 - WFG_STOP_DELAY);
    zgradpulse(gzlvl0,gt0); 
    txphase(one);
    delay(500.0e-6);
    rgpulse(pw, one, 1.0e-6, 1.0e-6);
    decphase(zero);
  
    delay(2.0e-6);
    zgradpulse(gzlvl3,gt3);

    obspower(tpwrHd);
    decpwrf(dfCa90);
    delay(200.0e-6);
   

/* c13 offset on CO, slp 90 on Ca */
    decshaped_pulse("offC13", pwCa90, zero, 0.0, 0.0);
    delay(taub -PRG_START_DELAY);

    obsprgon("waltz16", pwHd, 180.0);
    xmtron();

    decpwrf(dfC90);
    decphase(t1);
    delay(bigTC -taub -SAPS_DELAY -PWRF_DELAY);

/* c13 offset on CO, on-res 90 on CO */
    decshaped_pulse("offC6", pwCO90, t1, 0.0, 0.0);
/* CO EVOLUTION BEGINS */

    decpwrf(dfCO180);
    decphase(zero);
    delay(bigTCO/2.0 +maxpwCN/2.0 +WFG_STOP_DELAY -2.0*pwCO90/PI -ratio*tau1);

/* c13 offset on CO, on-res 180 on CO */
    decshaped_pulse("offC8", pwCO180, zero, 0.0, 0.0);

    decpwrf(dfCab180);
    delay(bigTCO/2.0 +(2.0 -ratio)*tau1 -PRG_STOP_DELAY);
    xmtroff();
    obsprgoff();

/* c13 offset on CO, slp 180 at Cab */
    sim3shaped_pulse("","offC27","",0.0,pwCab180,2.0*pwN,zero,zero,zero,0.0,0.0); 

    obsprgon("waltz16", pwHd, 180.0);
    xmtron();
    decpwrf(dfCO180);
    delay(bigTCO/2.0 +(2.0 -ratio)*tau1 -PRG_START_DELAY);

/* c13 offset on CO, on-res 180 on CO */
    decshaped_pulse("offC8", pwCO180, zero, 0.0, 0.0);

    decpwrf(dfC90);
    dcplrphase(v1);  
    delay(bigTCO/2.0 +maxpwCN/2.0 +WFG_STOP_DELAY -2.0*pwCO90/PI -ratio*tau1 -SAPS_DELAY);

/* CO EVOLUTION ENDS */
    decshaped_pulse("offC6", pwCO90, zero, 0.0, 0.0);
/* c13 offset on CO, on-res 90 on CO */

    decpwrf(dfCa90);
    decphase(t3); dcplrphase(v2);
    delay(bigTC -2.0*SAPS_DELAY -PWRF_DELAY);

/* c13 offset on CO, slp 90 at Ca */
    decshaped_pulse("offC13", pwCa90, t3, 0.0, 0.0);

    xmtroff();

    decpwrf(dfCO180);
    decphase(zero); dcplrphase(zero);
    dec2phase(t2);   

    delay(2.0e-5);
    zgradpulse(gzlvl4,gt4);
    delay(2.0e-6);

    obsprgon("waltz16", pwHd, 180.0);
    xmtron();
    txphase(zero);
    delay(150.0e-6);

    dec2rgpulse(pwN, t2, 0.0, 0.0);
/* N15 EVOLUTION BEGINS HERE */

    delay(bigTN/2.0 -tau2);

    decshaped_pulse("offC8", pwCO180, zero, 0.0, 0.0); /* c13 offset on CO, on-res 180 on CO */

    decpwrf(dfCa180);
    dec2phase(t4);
    delay(bigTN/2.0 -tau2);
 
    dec2rgpulse(2.0*pwN, t4, 0.0, 0.0);
    decshaped_pulse("offC17", pwCa180, zero, 0.0, 0.0); /* c13 offset on CO, slp 180 at Ca */

    decpwrf(dfCO180);
    delay(bigTN/2.0 +tau2 -pwCa180 -WFG_START_DELAY -WFG_STOP_DELAY);

    decshaped_pulse("offC8", pwCO180, zero, 0.0, 0.0);
       /* c13 offset on CO, on-res 180 on CO */

    delay(bigTN/2.0 +tau2 -tauc -PRG_STOP_DELAY);
    dec2phase(t5);
    xmtroff();
    obsprgoff();
    obspower(tpwr);

    if (mag_flg[A] == 'y') magradpulse(gzcal*gzlvl1, gt1);
      else zgradpulse(gzlvl1, gt1);

    delay(tauc -gt1 -2.0*GRADIENT_DELAY);
  
/* N15 EVOLUTION ENDS HERE */
    sim3pulse(pw,0.0, pwN, zero,zero, t5, 0.0, 0.0);

    dec2phase(zero);
    delay(2.0e-6);
    zgradpulse(0.8*gzlvl5, gt5);
    delay(taud - gt5 - 2.0e-6);

    sim3pulse(2.0*pw,0.0, 2.0*pwN, zero,zero, zero, 0.0, 0.0);

    delay(taud - gt5 - 500.0e-6);
    zgradpulse(0.8*gzlvl5, gt5);
    txphase(one);
    decphase(one);
    delay(500.0e-6);

    sim3pulse(pw,0.0, pwN, one,zero, one, 0.0, 0.0);
    
    delay(2.0e-6);
    txphase(zero);
    decphase(zero);
    zgradpulse(gzlvl5, gt5);
    delay(taud - gt5 - 2.0e-6);
    sim3pulse(2.0*pw,0.0, 2.0*pwN, zero,zero, zero, 0.0, 0.0);
  
    delay(taud - gt5 - 2.0*POWER_DELAY - 500.0e-6);
    zgradpulse(gzlvl5, gt5);
    decpower(dpwr);
    dec2power(dpwr2);
    delay(500.0e-6);

    rgpulse(pw, zero, 0.0, 0.0);

    delay(gstab +gt2 +2.0*GRADIENT_DELAY);

    rgpulse(2.0*pw, zero, 0.0, 0.0);

    if (mag_flg[A] == 'y') magradpulse(icosel*gzcal*gzlvl2, gt2);
      else zgradpulse(icosel*gzlvl2, gt2);  

    delay(0.5*gstab);    

    rcvron();
statusdelay(C, 0.5*gstab);
    setreceiver(t16);
}
Ejemplo n.º 4
0
pulsesequence()
{



/* DECLARE AND LOAD VARIABLES */

char        f1180[MAXSTR],   		      /* Flag to start t1 @ halfdwell */
            f2180[MAXSTR],    		      /* Flag to start t2 @ halfdwell */
	    rna_stCdec[MAXSTR],	       /* calls STUD+ waveforms from shapelib */
	    STUD[MAXSTR];   /* apply automatically calculated STUD decoupling */
 
int         icosel1,          			  /* used to get n and p type */
	    icosel2,
            t1_counter,  		        /* used for states tppi in t1 */
            t2_counter,  	 	        /* used for states tppi in t2 */
	    ni2 = getval("ni2");

double      tau1,         				         /*  t1 delay */
            tau2,        				         /*  t2 delay */
	    del = getval("del"),     /* time delays for CH coupling evolution */
	    del1 = getval("del1"),
	    del2 = getval("del2"),
/* STUD+ waveforms automatically calculated by macro "rnacal" */
/* and string parameter rna_stCdec calls them from your shapelib.*/
   stdmf,                              		   /* dmf for STUD decoupling */
   studlvl,	                         /* coarse power for STUD+ decoupling */
   rf80 = getval("rf80"), 			  /* rf in Hz for 80ppm STUD+ */

	pwClvl = getval("pwClvl"), 	        /* coarse power for C13 pulse */
        pwC = getval("pwC"),          /* C13 90 degree pulse length at pwClvl */
	rfC,            	  /* maximum fine power when using pwC pulses */
	dofa,                             /* dof shifted to 80 ppm for ribose */

/* p_d is used to calculate the isotropic mixing on the Cab region */
        p_d,                   	        /* 50 degree pulse for DIPSI-3 at rfd */
        rfd,                   			     /* fine power for 35 ppm */
	ncyc = getval("ncyc"), 			  /* no. of cycles of DIPSI-3 */

   compC = getval("compC"),       /* adjustment for C13 amplifier compression */


	pwNlvl = getval("pwNlvl"),	              /* power for N15 pulses */
        pwN = getval("pwN"),          /* N15 90 degree pulse length at pwNlvl */

	sw1 = getval("sw1"),
	sw2 = getval("sw2"),

 grecov = getval("grecov"),   /* Gradient recovery delay, typically 150-200us */

	gt1 = getval("gt1"),  		       /* coherence pathway gradients */
	gzlvl1 = getval("gzlvl1"),
	gzlvl2 = getval("gzlvl2"),

	gt3 = getval("gt3"),				   /* other gradients */
	gt5 = getval("gt5"),
	gzlvl3 = getval("gzlvl3"),
	gzlvl4 = getval("gzlvl4"),
	gzlvl5 = getval("gzlvl5"),
	gzlvl6 = getval("gzlvl6");

    getstr("STUD",STUD);
    getstr("f1180",f1180);
    getstr("f2180",f2180);

/*   LOAD PHASE TABLE    */

	settable(t3,2,phi3);
	settable(t6,1,phi6);
	settable(t5,4,phi5);
	settable(t10,1,phi10);
	settable(t11,4,rec);

        

/*   INITIALIZE VARIABLES   */

    if( dpwrf < 4095 )
	{ text_error("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
	  psg_abort(1); }

/* maximum fine power for pwC pulses */
	rfC = 4095.0;

/*  Center dof in RIBOSE region on 80 ppm. */
        dofa = dof - 30.0*dfrq;
		
/* dipsi-3 decoupling C-ribose */
 	p_d = (5.0)/(9.0*4.0*7000.0*(sfrq/800.0)); /* DIPSI-3 covers 35 ppm */
 	rfd = (compC*4095.0*pwC*5.0)/(p_d*9.0);
	rfd = (int) (rfd + 0.5);
  	ncyc = (int) (ncyc + 0.5);

/* 80 ppm STUD+ decoupling */
        strcpy(rna_stCdec, "wurst80");
	stdmf = getval("dmf80");
        studlvl = pwClvl + 20.0*log10(compC*pwC*4.0*rf80);
        studlvl = (int) (studlvl + 0.5);


/* CHECK VALIDITY OF PARAMETER RANGES */

  if( gt1 > 0.5*del - 0.5*grecov )
  { text_error(" gt1 is too big. Make gt1 less than %f.\n", (0.5*del - 0.5*grecov)); psg_abort(1);}

  if((dm3[A] == 'y' || dm3[C] == 'y' ))
  { text_error("incorrect dec1 decoupler flags! Should be 'nyn' or 'nnn' "); psg_abort(1); }

  if((dm2[A] == 'y' || dm2[B] == 'y'))
  { text_error("incorrect dec2 decoupler flags! Should be 'nnn' or 'nny' "); psg_abort(1); }

  if((dm[A] == 'y' || dm[B] == 'y'))
  { text_error("incorrect dec1 decoupler flags! Should be 'nny' "); psg_abort(1); }

  if( (((dm[C] == 'y') && (dm2[C] == 'y')) && (STUD[A] == 'y')) )
  { text_error("incorrect dec2 decoupler flags! Should be 'nnn' if STUD='y'"); psg_abort(1); }

  if( dpwr > 50 )
  { text_error("don't fry the probe, DPWR too large!  "); psg_abort(1); }

  if( dpwr2 > 50 )
  { text_error("don't fry the probe, DPWR2 too large!  "); psg_abort(1); }

  if( (pw > 20.0e-6) && (tpwr > 56) )
  { text_error("don't fry the probe, pw too high ! "); psg_abort(1); }

  if( (pwC > 40.0e-6) && (pwClvl > 56) )
  { text_error("don't fry the probe, pwN too high ! "); psg_abort(1); }

  if( (pwN > 100.0e-6) && (pwNlvl > 56) )
  { text_error("don't fry the probe, pwN too high ! "); psg_abort(1); }

  if ((dm3[B] == 'y'  &&   dpwr3 > 44 ))
  { text_error ("Deuterium decoupling power too high ! "); psg_abort(1); }

  if ((ncyc > 1 ) && (ix == 1))
  { text_error("mixing time is %f ms.\n",(ncyc*97.8*4*p_d)); }


/* PHASES AND INCREMENTED TIMES */

/*  Phase incrementation for hypercomplex 2D data, States-Haberkorn element */

    icosel1 = -1;  icosel2 = -1;
    if (phase1 == 2) 
	{ tsadd(t6,2,4); icosel1 = -1*icosel1; }
    if (phase2 == 2) 
	{ tsadd(t10,2,4); icosel2 = -1*icosel2; tsadd(t6,2,4); }


/*  Set up f1180  */
   
    tau1 = d2;
    if((f1180[A] == 'y') && (ni > 1.0)) 
	{ tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
    tau1 = tau1/2.0;


/*  Set up f2180  */

    tau2 = d3;
    if((f2180[A] == 'y') && (ni2 > 1.0)) 
	{ tau2 += ( 1.0 / (2.0*sw2) ); if(tau2 < 0.2e-6) tau2 = 0.0; }
    tau2 = tau2/2.0;



/* Calculate modifications to phases for States-TPPI acquisition          */

   if( ix == 1) d2_init = d2;
   t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
   if(t1_counter % 2) 
	{ tsadd(t3,2,4); tsadd(t11,2,4); }

   if( ix == 1) d3_init = d3;
   t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
   if(t2_counter % 2) 
	{ tsadd(t5,2,4); tsadd(t11,2,4); }



/*   BEGIN PULSE SEQUENCE   */

status(A);
 if (dm3[B]=='y') lk_sample();
   	delay(d1);
 if (dm3[B]=='y') lk_hold();

	rcvroff();
	obspower(tpwr);
	decpower(pwClvl);
 	dec2power(pwNlvl);
	decpwrf(rfC);
	obsoffset(tof);
        decoffset(dofa);
        dec2offset(dof2);
	txphase(t3);
	delay(1.0e-5);

	decrgpulse(pwC, zero, 0.0, 0.0);	   /*destroy C13 magnetization*/
	zgradpulse(gzlvl1, 0.5e-3);
	delay(grecov/2);
	decrgpulse(pwC, one, 0.0, 0.0);
	zgradpulse(0.7*gzlvl1, 0.5e-3);
	delay(5.0e-4);

   if(dm3[B] == 'y')				  /*optional 2H decoupling on */
        { 
          dec3unblank();
          dec3rgpulse(1/dmf3, one, 0.0, 0.0); 
          dec3unblank();
          setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
         } 
	rgpulse(pw, t3, 0.0, 0.0);                    /* 1H pulse excitation */

        decphase(zero);
	delay(0.5*del + tau1 - 2.0*pwC);

        decrgpulse(2.0*pwC, zero, 0.0, 0.0);

        txphase(zero);
	delay(tau1);

	rgpulse(2.0*pw, zero, 0.0, 0.0);

	zgradpulse(icosel1*gzlvl1, 0.1*gt1);
        decphase(t5);
	delay(0.5*del - 0.1*gt1);

	simpulse(pw, pwC, zero, t5, 0.0, 0.0);

	zgradpulse(gzlvl3, gt3);
        decphase(zero);
	delay(0.5*del2 - gt3);

	simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);

	zgradpulse(gzlvl3, gt3);
        txphase(t6);
        decphase(one);
	delay(0.5*del2 - gt3);

	simpulse(pw, pwC, t6, one, 0.0, 0.0);

	zgradpulse(gzlvl4, gt3);
        txphase(zero);
        decphase(zero);
	delay(0.5*del1 - gt3);

	simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);

	zgradpulse(gzlvl4, gt3);
	delay(0.5*del1 - gt3);

	decrgpulse(pwC, zero, 0.0, 0.0);
	decpwrf(rfd);
	delay(2.0e-6);
	initval(ncyc, v2);
	starthardloop(v2);
     decrgpulse(4.9*p_d,zero,0.0,0.0);
     decrgpulse(7.9*p_d,two,0.0,0.0);
     decrgpulse(5.0*p_d,zero,0.0,0.0);
     decrgpulse(5.5*p_d,two,0.0,0.0);
     decrgpulse(0.6*p_d,zero,0.0,0.0);
     decrgpulse(4.6*p_d,two,0.0,0.0);
     decrgpulse(7.2*p_d,zero,0.0,0.0);
     decrgpulse(4.9*p_d,two,0.0,0.0);
     decrgpulse(7.4*p_d,zero,0.0,0.0);
     decrgpulse(6.8*p_d,two,0.0,0.0);
     decrgpulse(7.0*p_d,zero,0.0,0.0);
     decrgpulse(5.2*p_d,two,0.0,0.0);
     decrgpulse(5.4*p_d,zero,0.0,0.0);
     decrgpulse(0.6*p_d,two,0.0,0.0);
     decrgpulse(4.5*p_d,zero,0.0,0.0);
     decrgpulse(7.3*p_d,two,0.0,0.0);
     decrgpulse(5.1*p_d,zero,0.0,0.0);
     decrgpulse(7.9*p_d,two,0.0,0.0);

     decrgpulse(4.9*p_d,two,0.0,0.0);
     decrgpulse(7.9*p_d,zero,0.0,0.0);
     decrgpulse(5.0*p_d,two,0.0,0.0);
     decrgpulse(5.5*p_d,zero,0.0,0.0);
     decrgpulse(0.6*p_d,two,0.0,0.0);
     decrgpulse(4.6*p_d,zero,0.0,0.0);
     decrgpulse(7.2*p_d,two,0.0,0.0);
     decrgpulse(4.9*p_d,zero,0.0,0.0);
     decrgpulse(7.4*p_d,two,0.0,0.0);
     decrgpulse(6.8*p_d,zero,0.0,0.0);
     decrgpulse(7.0*p_d,two,0.0,0.0);
     decrgpulse(5.2*p_d,zero,0.0,0.0);
     decrgpulse(5.4*p_d,two,0.0,0.0);
     decrgpulse(0.6*p_d,zero,0.0,0.0);
     decrgpulse(4.5*p_d,two,0.0,0.0);
     decrgpulse(7.3*p_d,zero,0.0,0.0);
     decrgpulse(5.1*p_d,two,0.0,0.0);
     decrgpulse(7.9*p_d,zero,0.0,0.0);

     decrgpulse(4.9*p_d,two,0.0,0.0);
     decrgpulse(7.9*p_d,zero,0.0,0.0);
     decrgpulse(5.0*p_d,two,0.0,0.0);
     decrgpulse(5.5*p_d,zero,0.0,0.0);
     decrgpulse(0.6*p_d,two,0.0,0.0);
     decrgpulse(4.6*p_d,zero,0.0,0.0);
     decrgpulse(7.2*p_d,two,0.0,0.0);
     decrgpulse(4.9*p_d,zero,0.0,0.0);
     decrgpulse(7.4*p_d,two,0.0,0.0);
     decrgpulse(6.8*p_d,zero,0.0,0.0);
     decrgpulse(7.0*p_d,two,0.0,0.0);
     decrgpulse(5.2*p_d,zero,0.0,0.0);
     decrgpulse(5.4*p_d,two,0.0,0.0);
     decrgpulse(0.6*p_d,zero,0.0,0.0);
     decrgpulse(4.5*p_d,two,0.0,0.0);
     decrgpulse(7.3*p_d,zero,0.0,0.0);
     decrgpulse(5.1*p_d,two,0.0,0.0);
     decrgpulse(7.9*p_d,zero,0.0,0.0);

     decrgpulse(4.9*p_d,zero,0.0,0.0);
     decrgpulse(7.9*p_d,two,0.0,0.0);
     decrgpulse(5.0*p_d,zero,0.0,0.0);
     decrgpulse(5.5*p_d,two,0.0,0.0);
     decrgpulse(0.6*p_d,zero,0.0,0.0);
     decrgpulse(4.6*p_d,two,0.0,0.0);
     decrgpulse(7.2*p_d,zero,0.0,0.0);
     decrgpulse(4.9*p_d,two,0.0,0.0);
     decrgpulse(7.4*p_d,zero,0.0,0.0);
     decrgpulse(6.8*p_d,two,0.0,0.0);
     decrgpulse(7.0*p_d,zero,0.0,0.0);
     decrgpulse(5.2*p_d,two,0.0,0.0);
     decrgpulse(5.4*p_d,zero,0.0,0.0);
     decrgpulse(0.6*p_d,two,0.0,0.0);
     decrgpulse(4.5*p_d,zero,0.0,0.0);
     decrgpulse(7.3*p_d,two,0.0,0.0);
     decrgpulse(5.1*p_d,zero,0.0,0.0);
     decrgpulse(7.9*p_d,two,0.0,0.0);
	endhardloop();

        dec2phase(zero);
        decphase(zero);
        txphase(zero);
	decpwrf(rfC);
	delay(tau2);

	sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);

	delay(tau2);
	decpwrf(rfC);
	zgradpulse(-icosel2*gzlvl2, 1.8*gt1);
	delay(grecov+2.0e-6);

	decrgpulse(2.0*pwC, zero, 0.0, 0.0);

	decpwrf(rfC);
	zgradpulse(icosel2*gzlvl2, 1.8*gt1);
	delay(grecov + pwN);

	decrgpulse(pwC, zero, 0.0, 0.0);
	decpwrf(rfC);
	decrgpulse(pwC, zero, 2.0e-6, 0.0);

	zgradpulse(gzlvl5, gt5);
	delay(0.5*del1 - gt5);

	simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);

	zgradpulse(gzlvl5, gt5);
	txphase(one);
	decphase(t10);
	delay(0.5*del1 - gt5);

	simpulse(pw, pwC, one, t10, 0.0, 0.0);

	zgradpulse(gzlvl6, gt5);
	txphase(zero);
	decphase(zero);
	delay(0.5*del2 - gt5);

	simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);

	zgradpulse(gzlvl6, gt5);
	delay(0.5*del2 - gt5);

	simpulse(pw, pwC, zero, zero, 0.0, 0.0);

	delay(0.5*del - 0.5*pwC);

	simpulse(2.0*pw,2.0*pwC, zero, zero, 0.0, 0.0);
   if (STUD[A]=='y') decpower(studlvl);

   else
    {
	decpower(dpwr);
	dec2power(dpwr2);
    }
	zgradpulse(gzlvl1, gt1);         		/* 2.0*GRADIENT_DELAY */
   if(dm3[B] == 'y') 
	delay(0.5*del - gt1 -1/dmf3 - 2.0*GRADIENT_DELAY - POWER_DELAY);
      else
	delay(0.5*del - gt1 - 2.0*GRADIENT_DELAY - POWER_DELAY);
   if(dm3[B] == 'y')			         /*optional 2H decoupling off */
        {
          dec3rgpulse(1/dmf3, three, 0.0, 0.0); dec3blank();
          setstatus(DEC3ch, FALSE, 'w', FALSE, dmf3);
          dec3blank();
        }
	decpower(dpwr);				               /* POWER_DELAY */
  if (dm3[B]=='y') lk_sample();
  if ((STUD[A]=='y') && (dm[C] == 'y'))
        {decpower(studlvl);
         decunblank();
         decon();
         decprgon(rna_stCdec,1/stdmf, 1.0);
         startacq(alfa);
         acquire(np, 1.0/sw);
         decprgoff();
         decoff();
         decblank();
        }
      else
	 status(C);
 setreceiver(t11);
}		 
Ejemplo n.º 5
0
void pulsesequence()
{
 char   codec[MAXSTR], codecseq[MAXSTR];

 int	icosel,  t1_counter;

 double	d2_init = 0.0, 
        rf0 = 4095, rf200, pw200,
        copwr, codmf, cores, copwrf,

        tpwrs,   
        pwHs = getval("pwHs"), 
        compH = getval("compH"),
	pwClvl = getval("pwClvl"), 
        pwC = getval("pwC"), 
        compC = getval("compC"), 
        pwNlvl = getval("pwNlvl"), 
        pwN = getval("pwN"),

        sw1 = getval("sw1"), 
        swH = getval("swH"),
        swC = getval("swC"), 
        swN = getval("swN"), 
        swTilt,
        angle_H = getval("angle_H"), 
        angle_C = getval("angle_C"),
        angle_N, 
        cos_H, 
        cos_C,
        cos_N,

        mix = getval("mix"),
        tauCH = getval("tauCH"),                                                /* 1/4JCH  */
        tauNH = getval("tauNH"),                                                /* 1/4JNH  */
	tau1, tau2, tau3,
        tofali =getval("tofali"),                             /* aliphatic protons offset  */
        dofcaco =getval("dofcaco"),               /* offset for caco decoupling, ~120 ppm  */
        dof = getval("dof"),

        gstab = getval("gstab"),

        gt0 = getval("gt0"),  gzlvl0 = getval("gzlvl0"),
        gt1 = getval("gt1"),  gzlvl1 = getval("gzlvl1"),
                              gzlvl2 = getval("gzlvl2"),
        gt3 = getval("gt3"),  gzlvl3 = getval("gzlvl3"),
        gt4 = getval("gt4"),  gzlvl4 = getval("gzlvl4"),
        gt5 = getval("gt5"),  gzlvl5 = getval("gzlvl5"),
        gt6 = getval("gt6"),  gzlvl6 = getval("gzlvl6"),
        gt7 = getval("gt7"),  gzlvl7 = getval("gzlvl7"),
        gt8 = getval("gt8"),  gzlvl8 = getval("gzlvl8"),
        gt9 = getval("gt9"),  gzlvl9 = getval("gzlvl9");

/* LOAD VARIABLES */
   copwr = getval("copwr");        copwrf = getval("copwrf");
   codmf = getval("codmf");        cores = getval("cores");
   getstr("codecseq", codecseq);   getstr("codec", codec);

/* Load phase cycling variables */

   settable(t1, 4, phi1);   settable(t2, 2, phi2);   settable(t3, 1, phi3);
   settable(t4, 8, phi4);   settable(t5, 1, phi5);   settable(t14, 2, phi14);
   settable(t11, 8, rec);

   angle_N=0.0; cos_N=0.0;

/* activate auto-calibration flags */
setautocal();
  if (autocal[0] == 'n')
  {
    /* 180 degree adiabatic C13 pulse from 0 to 200 ppm */
    pw200 = getval("pw200");
    rf200 = (compC*4095.0*pwC*4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35));
    rf200 = (int) (rf200 + 0.5);
                             
    if (1.0/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35)) < pwC )
    { text_error( " Not enough C13 RF. pwC must be %f usec or less.\n",
                    (1.0e6/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35))) );
      psg_abort(1); }
  }
  else        /* if autocal = 'y'(yes), 'q'(quiet), r(read), or 's'(semi) */
  {
    strcpy(codecseq,"Pdec_154p");
    if(FIRST_FID)                                            /* call Pbox */
    {
      ppm = getval("dfrq");
      bw = 200.0*ppm; pws = 0.001; ofs = 0.0; nst = 1000; 
                                 /* 1 ms long pulse, nst: number of steps */
      stC200 = pbox_makeA("stC200", "sech", bw, pws, ofs, compC*pwC, pwClvl, nst);

      bw=20.0*ppm; ofs=154*ppm;
      Pdec_154p = pbox_Dsh("Pdec_154p", "WURST2", bw, ofs, compC*pwC, pwClvl);
    }
    rf200 = stC200.pwrf;  pw200 = stC200.pw;
  }
/* selective H20 one-lobe sinc pulse */
   tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69));
   tpwrs = (int)(tpwrs+0.5);

/* check validity of parameter range */

   if((dm[A] == 'y'  || dm[B] == 'y' || dm[C] == 'y'))
   { printf("incorrect Dec1 decoupler flags!  ");      psg_abort(1);   }

   if((dm2[A] == 'y' || dm2[B] == 'y'))
   { printf("incorrect Dec2 decoupler flags!  ");      psg_abort(1);   }
  
   if ((dpwr > 48) || (dpwr2 > 48))
   { printf("don't fry the probe, dpwr too high!  ");  psg_abort(1);   }

/* set up angles for PR42 experiments */

   /* sw1 is used as symbolic index */
   if ( sw1 < 1000 ) { printf ("Please set sw1 to some value larger than 1000.\n"); psg_abort(1); }

   if (angle_H < 0 || angle_C < 0 || angle_H > 90 || angle_C > 90 )
   { printf("angles must be set between 0 and 90 degree.\n"); psg_abort(1); }

   cos_H = cos (PI*angle_H/180);  cos_C = cos (PI*angle_C/180);
   if ( (cos_H*cos_H + cos_C*cos_C) > 1.0) { printf ("Impossible angle combinations.\n"); psg_abort(1); }
   else { cos_N = sqrt(1 - (cos_H*cos_H + cos_C*cos_C) );  angle_N = acos(cos_N)*180/PI;  }

   if (ix == 1) d2_init = d2;
   t1_counter = (int)((d2-d2_init)*sw1 + 0.5);

   if(t1_counter % 2)   { tsadd(t3,2,4);  tsadd(t11,2,4);  }

   swTilt = swH*cos_H + swC*cos_C + swN*cos_N;


   if (phase1 == 1)  {;}                                                              /* CC */
   else if (phase1 == 2)  { tsadd(t1, 1, 4); }                                        /* SC */
   else if (phase1 == 3)  { tsadd(t2, 1, 4); tsadd(t14,1,4); }                        /* CS */
   else if (phase1 == 4)  { tsadd(t1, 1, 4); tsadd(t2,1,4); tsadd(t14,1,4); }         /* SS */

   if ( phase2 == 1 )    { tsadd(t5,2,4);   icosel = 1; }
   else                    icosel = -1; 

   tau1 = 1.0 * t1_counter * cos_H / swTilt;
   tau2 = 1.0 * t1_counter * cos_C / swTilt;
   tau3 = 1.0 * t1_counter * cos_N / swTilt;

   tau1 = tau1/2.0;  tau2 = tau2/2.0;  tau3 =tau3/2.0;


   if (ix ==1 )
   {
      printf ("Current Spectral Width:\t\t%5.2f\n", swTilt);
      printf ("Angle_H: %5.2f \n", angle_H);
      printf ("Angle_C: %5.2f \n", angle_C);
      printf ("Angle_N: %5.2f \n", angle_N);
      printf ("\n\n\n\n\n");
   }


/* BEGIN ACTUAL PULSE SEQUENCE */

status(A);

      delay(d1);

      rcvroff();
      obsoffset(tofali);  obspower(tpwr);     obspwrf(4095.0);
      decoffset(dof);     decpower(pwClvl);   decpwrf(rf0);
      dec2offset(dof2);   dec2power(pwNlvl);  dec2pwrf(4095.0);

      if (gt0 > 0.2e-6)
      {
         decrgpulse(pwC,zero,10.0e-6,0.0);
         dec2rgpulse(pwN,zero,2.0e-6,2.0e-6);
         zgradpulse(gzlvl0,gt0); 
         delay(gstab);
      }

      txphase(t1);   decphase(t2);   dec2phase(zero);

status(B);

   rgpulse(pw,t1,4.0e-6,2.0e-6);                     

      zgradpulse(gzlvl3,gt3);
      delay(2.0*tauCH - gt3 - 2.0*GRADIENT_DELAY -4.0e-6);

   decrgpulse(pwC,t2,2.0e-6,2.0e-6);	                        
      decphase(zero);   

   /*=======  Start of c13 evolution ==========*/

      if ( ((tau2 -PRG_START_DELAY - POWER_DELAY -pwN - 2.0*pwC/PI -2.0e-6)> 0) 
           && ((tau2 -PRG_STOP_DELAY - POWER_DELAY - pwN - 2.0*pwC/PI -2.0e-6)>0)
           && (codec[A] == 'y') )
      {
         decpower(copwr);  decpwrf(copwrf);
         decprgon(codecseq,1/codmf,cores);
         decon();

         delay(tau2 -PRG_START_DELAY - POWER_DELAY -pwN - 2.0*pwC/PI -2.0e-6);
   sim3pulse(2.0*pw, 0.0, 2.0*pwN, t1, zero, zero, 0.0, 0.0);
         delay(tau2 -PRG_STOP_DELAY - POWER_DELAY - pwN - 2.0*pwC/PI -2.0e-6);

         decoff();
         decprgoff();
      }
      else if ( (tau2 -pwN - 2.0*pwC/PI -2.0e-6) > 0)
      {
         delay(tau2 -pwN - 2.0*pwC/PI -2.0e-6);
   sim3pulse(2.0*pw, 0.0, 2.0*pwN, t1, zero, zero, 0.0, 0.0);
         delay(tau2 -pwN - 2.0*pwC/PI -2.0e-6);
      }
      else
      {
         delay(2.0*tau2);
         decphase(t14);  
         delay(4.0e-6);
   sim3pulse(2.0*pw, 2.0*pwC, 2.0*pwN, t1, t14, zero, 0.0, 0.0);
         delay(4.0e-6);
      }

      decpower(pwClvl);
      decpwrf(rf0);
      decphase(zero);
   /*======= End of  c13 evolution ==========*/
   decrgpulse(pwC,zero, 2.0e-6,2.0e-6);                       

      txphase(zero);
      delay(2.0*tauCH + tau1 - gt3 - 4.0*pwC
                    - gstab -4.0e-6 - 2.0*GRADIENT_DELAY);	
      zgradpulse(gzlvl3,gt3);
      delay(gstab);

   decrgpulse(pwC,zero,0.0, 0.0);
      decphase(one);
   decrgpulse(2.0*pwC, one, 0.2e-6, 0.0);
      decphase(zero);
   decrgpulse(pwC, zero, 0.2e-6, 0.0);

      delay(tau1);

   rgpulse(pw,zero,2.0e-6,0.0);                             

  /* ===========Beginning of NOE transfer ======= */

      delay(mix - gt4 - gt5 - pwN -pwC - 2.0*gstab);		
      obsoffset(tof);

      zgradpulse(gzlvl4,gt4);
      delay(gstab);

   decrgpulse(pwC, zero, 2.0e-6, 2.0e-6);
   dec2rgpulse(pwN, zero, 2.0e-6, 2.0e-6);

      zgradpulse(gzlvl5,gt5);
      delay(gstab);	
                                            /* H2O relaxes back to +z */

  /* ===========   End of NOE transfer ======= */

   rgpulse(pw, zero, 2.0e-6, 2.0e-6);                           

      zgradpulse(gzlvl6,gt6);
      delay(tauNH - gt6 - 4.0e-6 - 2.0*GRADIENT_DELAY);

   sim3pulse(2.0*pw, 0.0, 2*pwN, zero, zero, zero, 2.0e-6, 2.0e-6);

      delay(tauNH - gt6 - gstab -4.0e-6 - 2.0*GRADIENT_DELAY);
      zgradpulse(gzlvl6,gt6);
      txphase(one);
      delay(gstab);

   rgpulse(pw,one,2.0e-6,2.0e-6);	                    

      txphase(two);
      obspower(tpwrs);

      shaped_pulse("H2Osinc", pwHs, two, 2.0e-6, 2.0e-6);

      obspower(tpwr);
      zgradpulse(gzlvl7,gt7);
      dec2phase(t3);
      decoffset(dofcaco);          /* offset on 120ppm for CaCO decoupling */
      decpwrf(rf200);                             /* fine power for stC200 */
      delay(gstab);			

   dec2rgpulse(pwN,t3,2.0e-6,2.0e-6);

      dec2phase(t4);
      delay(tau3); 

   rgpulse(2.0*pw, zero, 2.0e-6, 2.0e-6);
   decshaped_pulse("stC200", 1.0e-3, zero, 2.0e-6, 2.0e-6);

      delay(tau3);
      delay(gt1 +gstab +8.0e-6 - 1.0e-3 - 2.0*pw);

   dec2rgpulse(2.0*pwN, t4, 2.0e-6, 2.0e-6);

      dec2phase(t5);
      zgradpulse(gzlvl1, gt1);       
      delay(gstab + WFG_START_DELAY + WFG_STOP_DELAY - 2.0*GRADIENT_DELAY);

   sim3pulse(pw, 0.0, pwN, zero, zero, t5, 2.0e-6, 2.0e-6);

      dec2phase(zero);
      zgradpulse(gzlvl8, gt8);
      delay(tauNH - gt8 - 2.0*GRADIENT_DELAY -4.0e-6);

   sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 2.0e-6, 2.0e-6);

      delay(tauNH  - gt8 - gstab -4.0e-6 - 2.0*GRADIENT_DELAY);
      zgradpulse(gzlvl8, gt8);
      txphase(one);    dec2phase(one);
      delay(gstab);

   sim3pulse(pw, 0.0, pwN, one, zero, one, 2.0e-6, 2.0e-6);

      txphase(zero);   dec2phase(zero);
      zgradpulse(gzlvl9, gt9);
      delay(tauNH - gt9 - 2.0*GRADIENT_DELAY -4.0e-6);

   sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 2.0e-6, 2.0e-6);

      delay(tauNH - gt9 - 2.0*GRADIENT_DELAY -gstab -4.0e-6);
      zgradpulse(gzlvl9, gt9);
      delay(gstab);

   rgpulse(pw, zero, 2.0e-6, 2.0e-6);

      delay((gt1/10.0) +gstab -2.0e-6 - 0.5*pw + 2.0*GRADIENT_DELAY + POWER_DELAY);

   rgpulse(2.0*pw, zero, 2.0e-6, 2.0e-6);

      zgradpulse(icosel*gzlvl2, gt1/10.0);    

      dec2power(dpwr2);	
      delay(gstab);

status(C);
      setreceiver(t11);
} 
Ejemplo n.º 6
0
pulsesequence()
{
   char   
          autocal[MAXSTR],
          shname1[MAXSTR],
	  shname2[MAXSTR],
          ipap_flg[MAXSTR],
          ab_flg[MAXSTR],
	  f1180[MAXSTR],
          SE[MAXSTR],        /*Use Sensitivity Enhancement */
          c13refoc[MAXSTR],
          refpat[MAXSTR],    /* pulse shape pattern refocus. pulse*/
          hetsofast_flg[MAXSTR],
          grad3_flg[MAXSTR];     /*gradient flag */

   int   
          t1_counter,
          phase;


   double d2_init=0.0,
          pwS,pwS1,pwS2, 
          tpwrsf = getval("tpwrsf"),
   	  adjust = getval("adjust"),
          gzlvl1 = getval("gzlvl1"),
          gzlvl2 = getval("gzlvl2"), 
          gzlvl3 = getval("gzlvl3"), 
          gstab = getval("gstab"),
          gt1 = getval("gt1"),
          gt2 = getval("gt2"),
          gt3 = getval("gt3"),
          shlvl1 = getval("shlvl1"),
          shlvl2 = getval("shlvl2"),
          shdmf2 = getval("shdmf2"),
          shbw = getval("shbw"),
          shpw1 = getval("shpw1"),
          shpw2 = getval("shpw2"),
          shpw3 = 0.0,

          shofs = getval("shofs"),
          flipangle = getval("flipangle"),
          pwNlvl = getval("pwNlvl"),
          pwN = getval("pwN"),
          dpwr2 = getval("dpwr2"),
          d2 = getval("d2"),
          tau1,
          taunh = 1.0/(2.0*getval("JNH"));

void compo_pulse();
void compo1_pulse();
void makeshape_pc9();
void makeshape_refoc();
void makeshape_ndec();

   getstr("autocal",autocal);
   getstr("f1180",f1180);
   getstr("c13refoc",c13refoc);
   getstr("hetsofast_flg",hetsofast_flg);
   getstr("refpat", refpat); /* pulse pattern refocussing pulse */
   getstr("ipap_flg",ipap_flg);
   getstr("grad3_flg",grad3_flg);
   getstr("ab_flg",ab_flg);
   getstr("SE",SE);
   getstr("shname1",shname1);
   getstr("shname2",shname2);

 pwS = c_shapedpw("sech",200.0,0.0,zero, 0.0, 0.0);
 pwS1 = hn_simshapedpw(refpat,shbw,shofs-4.8,"isnob3",50.0,0.0, zero, zero, 0.0, 0.0);
 pwS2 = h_shapedpw(refpat,shbw,3.5,zero, 0.0, 0.0);



 if (hetsofast_flg[0] == 'a')
   shpw3 = h_shapedpw("isnob5",4.0,-3.0,two, 2.0e-6, 2.0e-6);
 if (hetsofast_flg[0] == 'b')
   shpw3 = h_shapedpw("gaus180",0.015,0.0,two, 2.0e-6, 2.0e-6);

  phase = (int) (getval("phase") + 0.5);
   
   settable(t1,2,phi1);
   settable(t2,2,phi2);

if (autocal[0] == 'y')
{
(void) makeshape_pc9(flipangle, shbw, shofs);  /*create pc9 pulse*/
   sh90 = getRsh("hn_pc9");
   shpw1 = sh90.pw;
   shlvl1 = sh90.pwr;
     sprintf(shname1,"hn_pc9");


(void) makeshape_refoc(refpat, shbw, shofs);  /* create refocussing pulse */
   shref = getDsh("hn_refoc");
   shpw2 = shref.pw;
   shlvl2 = shref.pwr;
   shdmf2 = shref.dmf;
   sprintf(shname2,"hn_refoc");

  if (dmm2[2] == 'p')  /* waveform capability present on channel 3 */
 {
  (void) makeshape_ndec();  /* create n15 wurst decoupling */
   shdec = getDsh("hncompdec");
   dpwr2 = shdec.pwr;
   dmf2 = shdec.dmf;
   dres2 = shdec.dres;
   sprintf(dseq2,"hncompdec");
 }

}

   if  (tpwrsf <4095.0) shlvl2 = shlvl2+6.0;

  if (phase == 1) ;
  if (phase == 2) tsadd(t1,1,4);

    tau1 = d2;
    if((f1180[A] == 'y') && (ni > 1.0))
        { tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
    tau1 = tau1;
  
    if (f1180[0] == 'y')  tau1 = tau1-pwN*4.0/3.0;

    


   if( ix == 1) d2_init = d2;
   t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
   if(t1_counter % 2)
        { tsadd(t1,2,4); tsadd(t2,2,4); }



   status(A);

   decoffset(dof);
   dec2power(pwNlvl);
   dec2offset(dof2);
   obsoffset(tof);
   obspower(tpwr);


/**********************************************/
 if (hetsofast_flg[0] != 'n')
 {
     if (hetsofast_flg[0] == 'a')
     h_shapedpulse("isnob5",4.0,-3.0,two, 2.0e-6, 2.0e-6);
     if (hetsofast_flg[0] == 'b')
     h_shapedpulse("gaus180",0.015,0.0,two, 2.0e-6, 2.0e-6);
     zgradpulse(gzlvl2, gt2);
     delay(gstab);
     delay(d1-gt2-shpw3);
     lk_hold();
 }
 else
 {
     zgradpulse(gzlvl2, gt2);
     delay(gstab);
     delay(d1-gt2);
     lk_hold();
 }
   obspower(shlvl1);
   shaped_pulse(shname1,shpw1,zero,2.0e-4,2.0e-6);

if (SE[0] == 'y')
 {

  if (ipap_flg[0] == 'y')
  {
    if ((tau1+pwN*2.0) < pwS2) delay((pwS2*0.5-tau1*0.5-pwN)*0.5);
    if (grad3_flg[0]== 'y')
     delay(taunh*0.5-shpw1*0.533-pwS1*0.5+(gt3*2.0+2.0*gstab+pwN*3.0));
    else
     delay(taunh*0.5-shpw1*0.533-pwS1*0.5+pwN);

    hn_simshapedpulse(refpat,shbw,shofs-4.8,"bip720_50_20",40.0,0.0, zero, zero, 0.0, 0.0);
    obspower(shlvl2);
    obspwrf(4095.0);
    compo1_pulse(shname2,shpw2,pwN,shdmf2,t1,tau1,c13refoc,pwS,taunh,pwS1,pwS2,gt1,gt3,gzlvl3,grad3_flg,gstab);
    obspower(shlvl2);
    obspwrf(4095.0);
    zgradpulse(gzlvl1, gt1);
    delay(gstab);
    h_sim3shapedpulse(refpat,shbw,shofs-4.8,0.0,2.0*pwN, one, zero, zero, 0.0, 0.0);
    zgradpulse(gzlvl1, gt1);
    delay(gstab);
    delay(taunh*0.5-gt1-gstab-POWER_DELAY-pwS1*0.5);
    if ((tau1+pwN*2.0) < pwS2) delay((pwS2*0.5-tau1*0.5-pwN)*0.5);
    if (ab_flg[0] == 'a')
      dec2rgpulse(pwN,one,0.0,0.0);
    else
      dec2rgpulse(pwN,three,0.0,0.0);
    if (grad3_flg[0]== 'y')
     {
      delay(gt3+gstab);
      dec2rgpulse(pwN*2.0,zero,0.0,0.0);
      zgradpulse(gzlvl3,gt3);
      delay(gstab);
     }
  }
  else
  {
    zgradpulse(gzlvl1, gt1);
    delay(gstab);
    if ((tau1+pwN*2.0) < pwS2) 
     delay(taunh-gt1-gstab-shpw1*0.533-adjust-(pwS2*0.5-tau1*0.5-pwN)*0.5);
    else
     delay(taunh-gt1-gstab-shpw1*0.533-adjust);
    obspower(shlvl2);
    obspwrf(tpwrsf);
    compo_pulse(shname2,shpw2,pwN,shdmf2,t1,tau1,c13refoc,pwS);
    obspower(shlvl1);
    obspwrf(4095.0);
    zgradpulse(gzlvl1, gt1);
    delay(gstab);
    if ((tau1+pwN*2.0) < pwS2) 
     delay(taunh-gt1-gstab-POWER_DELAY-(pwS2*0.5-tau1*0.5-pwN)*0.5);
    else
     delay(taunh-gt1-gstab-POWER_DELAY);
  }
 }
else
 {
  if ((ni == 0) || (ni == 1))
   {
    zgradpulse(gzlvl1, gt1);
    delay(gstab);
    delay(taunh-gt1-gstab-WFG_START_DELAY+pwN*4.0-shpw1*0.533-adjust);
    obspwrf(tpwrsf);
    obspower(shlvl2);

    xmtrphase(zero);
    xmtron();
    obsunblank();
    obsprgon(shname2,1/shdmf2,9.0);
    delay(shpw2);
    obsprgoff();
    obsblank();
    xmtroff();

    obspower(shlvl2);
    obspwrf(4095.0);
    dec2rgpulse(pwN,t1,0.0,0.0);
    dec2rgpulse(pwN*2.0,zero,0.0,0.0);
    dec2rgpulse(pwN,zero,0.0,0.0);
   }
  else
   {
    zgradpulse(gzlvl1, gt1);
    delay(gstab);
    delay(taunh-gt1-gstab-shpw1*0.533-adjust);
    obspower(shlvl2);
    obspwrf(tpwrsf);
    compo_pulse(shname2,shpw2,pwN,shdmf2,t1,tau1,c13refoc,pwS);
    obspower(shlvl1);
    obspwrf(4095.0);
   }

  if (ipap_flg[0] == 'y')
   {
   if (ab_flg[0] == 'b')
     {
     zgradpulse(gzlvl1, gt1);
     delay(gstab);
     delay(taunh-gt1-gstab-pwN-POWER_DELAY);
     dec2rgpulse(pwN,one,0.0,0.0);
     }
   else
     {
     zgradpulse(gzlvl1, gt1);
     delay(gstab);
     delay(taunh*0.5-gt1-pwN-gstab);
     dec2rgpulse(pwN*2.0,zero,0.0,0.0);
     delay(taunh*0.5-pwN-POWER_DELAY);
     }
   }
  else
   {
   zgradpulse(gzlvl1, gt1);
   delay(gstab);
   delay(taunh-gt1-gstab-POWER_DELAY);
   }
 }
 dec2power(dpwr2);
 lk_sample(); 
 setreceiver(t2);
 status(C);


}
Ejemplo n.º 7
0
pulsesequence()
{
char        f1180[MAXSTR],   		      /* Flag to start t1 @ halfdwell */
	    f2180[MAXSTR],   		      /* Flag to start t1 @ halfdwell */
            CCdseq[MAXSTR],
            CChomodec[MAXSTR],          /* Setup for C-imino - C-H6 */
	    pwC_Sel_Shape[MAXSTR],	       /* Selective C 180 refocusing pulse */
	    pwH_Sel_Shape[MAXSTR];	       /* Selective H 180 refocusing pulse */
 
int         icosel,          			  /* used to get n and p type */
            t1_counter,  		        /* used for states tppi in t1 */
	    ni2 = getval("ni2"),
            t2_counter;  		        /* used for states tppi in t2 */

double      tau1,         				          /* t1 delay */
	    tau2,         				          /* t2 delay */
            CCdpwr = getval("CCdpwr"),    /*   power level for CC decoupling */
            CCdres = getval("CCdres"),    /*   dres for CC decoupling */
            CCdmf = getval("CCdmf"),      /*   dmf for CC decoupling */

	    lambda = 1.0/(4*getval("JCH")),	   /* 1/4J H1 evolution delay */
	    taucc = 1.0/(4*getval("JCC")),	   /* 1/4J CC evolution delay */
	    delta_cc = 1.0/(4*getval("JCC")),	   /* 1/4J CC evolution delay */
	    pwH_Sel_pw = getval("pwH_Sel_pw"),	/* 180 Pulse selective pulse*/
	    pwH_Sel_lvl = getval("pwH_Sel_lvl"),	/* 180 Pulse selective pulse power level*/
	    pwC_Sel_pw = getval("pwC_Sel_pw"),	/* 180 C Pulse selective pulse*/
	    pwC_Sel_lvl = getval("pwC_Sel_lvl"),	/* 180 C Pulse selective pulse power level*/
            pwClvl = getval("pwClvl"), 	  	        /* coarse power for C13 pulse */
            pwC = getval("pwC"),     	      /* C13 90 degree pulse length at pwClvl */
            calC = getval("calC"),        /* multiplier on a pwC pulse for calibration */

            dofa,

            calH = getval("calH"),        /* multiplier on a pw pulse for H1 calibration */

	    pwNlvl = getval("pwNlvl"),	              /* power for N15 pulses */
            pwN = getval("pwN"),          /* N15 90 degree pulse length at pwNlvl */


	    sw1 = getval("sw1"),

            gstab = getval("gstab"),   /* Gradient recovery delay, probe-dependent */

        gt1 = getval("gt1"),  		       /* coherence pathway gradients */
	gzlvl1 = getval("gzlvl1"),
	gzlvl2 = getval("gzlvl2"),

	gt3 = getval("gt3"),
	gt4 = getval("gt4"),
	gt5 = getval("gt5"),
	gzlvl0 = getval("gzlvl0"),
	gzlvl3 = getval("gzlvl3"),
	gzlvl4 = getval("gzlvl4"),
	gzlvl5 = getval("gzlvl5"),
	gzlvl6 = getval("gzlvl6");

    getstr("f1180",f1180);
    getstr("CCdseq",CCdseq);
    getstr("CChomodec",CChomodec);
    getstr("f2180",f2180);
    getstr("pwH_Sel_Shape",pwH_Sel_Shape);
    getstr("pwC_Sel_Shape",pwC_Sel_Shape);



/*   LOAD PHASE TABLE    */

        settable(t1,8,phi1);
        settable(t2,4,phi2);
	settable(t3,2,phi3);
	settable(t4,1,phi4);
	settable(t5,1,phi5);
	settable(t6,1,phi6);
	settable(t9,16,phi9);
	settable(t11,16,rec);

/* reset calH and calC if the user forgets */
  if (ni>1.0)
   {
	calH=1.0; calC=1.0;
   }

/* CHECK VALIDITY OF PARAMETER RANGES */

  if ((ni/sw1) > (4*taucc - 2*gt4))
  { text_error( " ni is too big. Make ni equal to %d or less.\n",    
      ((int)((4*taucc - 2*gt4)*sw1)) );					    psg_abort(1); }

  if((dm2[A] == 'y' || dm2[B] == 'y'))
  { text_error("incorrect dec2 decoupler flags! Should be 'nnn' or 'nny' "); psg_abort(1); }

  if((dm[A] == 'y' || dm[B] == 'y'))
  { text_error("incorrect dec1 decoupler flags! Should be 'nny' "); psg_abort(1); }

  if( dpwr > 49 )
  { text_error("don't fry the probe, DPWR too large!  ");   	    psg_abort(1); }

  if( dpwr2 > 47 )
  { text_error("don't fry the probe, DPWR2 too large!  ");           psg_abort(1); }

  if( (pw > 20.0e-6) && (tpwr > 56) )
  { text_error("don't fry the probe, pw too high ! ");              psg_abort(1); }
 
  if( (pwC > 40.0e-6) && (pwClvl > 56) )
  { text_error("don't fry the probe, pwN too high ! ");             psg_abort(1); }

  if( (pwN > 100.0e-6) && (pwNlvl > 56) )
  { text_error("don't fry the probe, pwN too high ! ");             psg_abort(1); }

  if ( ni/sw1 > 4.0*taucc)
  { text_error( " ni is too big. Make ni equal to %d or less.\n",
      ((int)(4*taucc*sw1)) );                                       psg_abort(1); }

/* PHASES AND INCREMENTED TIMES */

/*  Phase incrementation for hypercomplex 2D data, States-Haberkorn element */

	icosel=1;

	if (phase1 == 2) 
	{
		tsadd(t1,1,4);
		tsadd(t4,1,4);
		tsadd(t5,1,4);
	}

	if (phase2 == 2) 
	{
		tsadd(t6,2,4);
		icosel = -1;
	}
	else icosel = 1;

/*  Set up f1180  */
       tau1 = d2;
  if((f1180[A] == 'y') && (ni > 1.0)) 
   {
	tau1 += ( 1.0 / (2.0*sw1) );
	if(tau1 < 0.2e-6) tau1 = 0.0;
   }

	tau1 = tau1/2.0;

/*  Set up f2180  */
       tau2 = d3;
  if((f2180[A] == 'y') && (ni2 > 1.0)) 
   {
	tau2 += ( 1.0 / (2.0*sw2) );
	if(tau2 < 0.2e-6) tau2 = 0.0;
   }

	tau2 = tau2/2.0;

/* Calculate modifications to phases for States-TPPI acquisition          */
  if( ix == 1) d2_init = d2;

	t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );

  if(t1_counter % 2) 
   {
	tsadd(t1,2,4);
	tsadd(t4,2,4);
	tsadd(t5,2,4);
	tsadd(t11,2,4);
   }

/* Calculate modifications to phases for States-TPPI acquisition          */
  if( ix == 1) d3_init = d3;

	t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );

/* BEGIN PULSE SEQUENCE */

status(A);
        dofa = dof - 35.0*dfrq; /*start at C2' */
	obspower(tpwr);
	decpower(pwClvl);
 	dec2power(pwNlvl);
	obsoffset(tof);
	decoffset(dofa);
	dec2offset(dof2);
	txphase(zero);
	decphase(zero);
        dec2phase(zero);

	delay(d1);
        rcvroff();

status(B);

	dec2rgpulse(pwN, zero, 0.0, 0.0);  /*destroy N15 and C13 magnetization*/
	decrgpulse(pwC, zero, 0.0, 0.0);
	zgradpulse(gzlvl0, 0.5e-3);
	delay(gstab/2);
	dec2rgpulse(pwN, one, 0.0, 0.0);
	decrgpulse(pwC, one, 0.0, 0.0);
	zgradpulse(0.7*gzlvl0, 0.5e-3);
	delay(5.0e-4);

   	rgpulse(calH*pw,zero,0.0,0.0);                 /* 1H pulse excitation */
   	decphase(t4);
        delay(2.0*lambda);
        decrgpulse(calC*pwC, t4, 0.0, 0.0);
	zgradpulse(gzlvl3, gt3);
	obspower(pwH_Sel_lvl);
   	decphase(zero);
        delay(taucc -lambda - gt3 - WFG2_START_DELAY - pwH_Sel_pw/2.0 + 70.0e-6);

        shaped_pulse(pwH_Sel_Shape, pwH_Sel_pw, zero, 0.0, 0.0);
        delay(lambda - pwH_Sel_pw/2.5);

        decrgpulse(2.0*pwC, t1, 0.0, 0.0);

        zgradpulse(gzlvl3, gt3);
	obspower(tpwr);
   	decphase(t5);
   	txphase(t2);
        delay(taucc - gt3);

        simpulse(pw, pwC, t2, t5, 0.0, 0.0);

        zgradpulse(gzlvl4, gt4);       	/* 2.0*GRADIENT_DELAY */
        txphase(zero);
	decphase(t3);
	delay(2*taucc + tau1 - gt4);

    	decrgpulse(2.0*pwC, t3, 0.0, 0.0);
        zgradpulse(gzlvl4, gt4);       	/* 2.0*GRADIENT_DELAY */
    	decphase(zero);
		
        delay(2.0*taucc - tau1 - gt4);

        dofa = dof - 17.5*dfrq; /*change to C1' */
	decoffset(dofa);
/*  ffffffffffffffffffff   BEGIN SENSITIVITY ENHANCE   fffffffffffffffffffff  */
        decrgpulse(pwC, zero, 0.0, 0.0);

if (CChomodec[A]=='y')
 {
	delay(delta_cc);
    	decrgpulse(2.0*pwC, zero, 0.0, 0.0);
	delay(delta_cc);
        decpower(CCdpwr); decphase(zero);
        decprgon(CCdseq,1.0/CCdmf,CCdres);
        decon();  /* CC decoupling on */
	delay(tau2);
    	dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
	delay(tau2);

        decoff(); decprgoff();        /* CC decoupling off */
	decpower(pwC_Sel_lvl);

        zgradpulse(icosel*gzlvl1, gt1/2.0);       	/* 2.0*GRADIENT_DELAY */
        delay(gstab);
        decshaped_pulse(pwC_Sel_Shape, pwC_Sel_pw, t9, 0.0, 0.0);
        zgradpulse(-1.0*icosel*gzlvl1, gt1/2.0);       	/* 2.0*GRADIENT_DELAY */
	decphase(t6);
        decpower(pwClvl);
        delay(gstab);
		
 }
else
 {
	decphase(zero);
        zgradpulse(icosel*gzlvl1, gt1/2.0);       	/* 2.0*GRADIENT_DELAY */
	delay(delta_cc + tau2);
    	decrgpulse(2.0*pwC, t9, 0.0, 0.0);
        zgradpulse(-1.0*icosel*gzlvl1, gt1/2.0);       	/* 2.0*GRADIENT_DELAY */
	decphase(t6);
	delay(delta_cc - tau2);
 }		
	simpulse(pw, pwC, zero, t6, 0.0, 0.0);
	decpower(pwC_Sel_lvl);
	decphase(two);
	zgradpulse(gzlvl5, gt5);
	delay(lambda - pwC_Sel_pw/2.0 - gt5);
        simshaped_pulse("",pwC_Sel_Shape, 2.0*pw,pwC_Sel_pw, zero, two, 0.0, 0.0);
	decpower(pwClvl);
	zgradpulse(gzlvl5, gt5);
	txphase(one);
	decphase(one);
	delay(lambda - pwC_Sel_pw/2.0 - gt5);
	simpulse(pw, pwC, one, one, 0.0, 0.0);
	decpower(pwC_Sel_lvl);
	txphase(zero);
	decphase(zero);
	zgradpulse(gzlvl6, gt5);
	delay(lambda - pwC_Sel_pw/2.0 - gt5);
        simshaped_pulse("",pwC_Sel_Shape, 2.0*pw,pwC_Sel_pw, zero, zero, 0.0, 0.0);
	zgradpulse(gzlvl6, gt5);
	delay(lambda - pwC_Sel_pw/2.0 - gt5);
	rgpulse(pw, zero, 0.0, 0.0);
        zgradpulse(gzlvl2, gt1/8.0);         		/* 2.0*GRADIENT_DELAY */
	delay(gstab/2-2.0*GRADIENT_DELAY);		
	rgpulse(2.0*pw, zero, 0.0, 0.0);
	decpower(dpwr);					       /* POWER_DELAY */
	dec2power(dpwr2);				      /* POWER_DELAY */
        zgradpulse(-1.0*gzlvl2, gt1/8.0);         		/* 2.0*GRADIENT_DELAY */
	delay(gstab/2 -2.0*POWER_DELAY-2.0*GRADIENT_DELAY);		
status(C);
		 
	setreceiver(t11);
}		 
Ejemplo n.º 8
0
pulsesequence()
{
/* DECLARE VARIABLES */

 char      
             f1180[MAXSTR],satmode[MAXSTR],abfilter[MAXSTR];

 int	     phase,t1_counter,icosel,ni,first_FID;

 double      /* DELAYS */
             tauhn,
             taunco,
             tau1,                               /* t1/2 */

             /* COUPLINGS */
             jhn = getval("jhn"),
             jnco = getval("jnco"),
   
             /* PULSES */
             pw180offca = getval("pw180offca"), /* PW180 for off-res ca nucleus @ rf180offca */
             pw90onco,                          /* PW90 for on-res co nucleus @ rf90onco */
             pw180onco,                         /* PW180 for on-res co nucleus @ rf90onco */
             pwN = getval("pwN"),               /* PW90 for N-nuc */
             pwC = getval("pwC"),               /* PW90 for C-nuc */
             pwHs = getval("pwHs"),             /* pw for water selective pulse  */

             /* POWER LEVELS */
             satpwr = getval("satpwr"),       /* low power level for presat */
             pwClvl = getval("pwClvl"),         /* power level for C hard pulses */ 
             pwNlvl = getval("pwNlvl"),         /* power level for N hard pulses */
             rf90onco,                          /* power level for CO 90 pulses */
             rf180onco,                         /* power level for CO 180 pulses */
             rf180offca,                        /* power level for off-res Ca 180 pulses */

             compH = getval("compH"),       /* adjustment for C13 amplifier compression */
             compC = getval("compC"),       /* adjustment for C13 amplifier compression */

             /* CONSTANTS */
             sw1 = getval("sw1"),
             dof = getval("dof"),
             kappa,
             dofca,
             tpwrsf_d = getval("tpwrsf_d"), /* fine power adustment for first soft pulse*/
             tpwrsf_u = getval("tpwrsf_u"), /* fine power adustment for first soft pulse*/
             tpwrs,	  	              /* power for the pwHs ("H2Osinc") pulse */

             /* GRADIENT DELAYS AND LEVES */
             gstab = getval("gstab"),
             gt0 = getval("gt0"),             /* gradient time */
             gt1 = getval("gt1"),             /* gradient time */
             gt3 = getval("gt3"),
             gt5 = getval("gt5"),
             gzlvl0 = getval("gzlvl0"),       /* level of gradient */
             gzlvl1 = getval("gzlvl1"),       /* level of gradient */
             gzlvl2 = getval("gzlvl2"),
             gzlvl3 = getval("gzlvl3"),
             gzlvl5 = getval("gzlvl5");

/* selective H20 one-lobe sinc pulse */
    tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69));   /*needs 1.69 times more*/
    tpwrs = (int) (tpwrs);                   	  /*power than a square pulse */

/* 180 degree pulse on Ca, null at CO 118ppm away */
    rf180offca = (compC*4095.0*pwC*2.0)/pw180offca;
    rf180offca = (int) (rf180offca + 0.5);


/* LOAD VARIABLES */

  ni = getval("ni");
  phase = (int) (getval("phase") + 0.5);
  getstr("satmode",satmode); 
  getstr("f1180",f1180); 
  getstr("abfilter",abfilter);

/* check validity of parameter range */

    if (dm[A] == 'y')
	{
	printf("incorrect Dec1 decoupler flags!  ");
	psg_abort(1);
    } 

    if (dm2[A] == 'y')
	{
	printf("incorrect Dec2 decoupler flags!  ");
	psg_abort(1);
    } 

    if ( satpwr > 8 )
    {
	printf("satpwr too large !!!  ");
	psg_abort(1);
    }

    if ( dpwr > 50 )
    {
	printf("don't fry the probe, dpwr too large!  ");
	psg_abort(1);
    }

    if ( dpwr2 > 50 )
    {
	printf("don't fry the probe, dpwr2 too large!  ");
	psg_abort(1);
    }

/* LOAD VARIABLES */

  settable(t1, 2, phi1);
  settable(t2, 1, phi2);
  settable(t3, 1, phi3);
  settable(t4, 1, phi4);
  settable(t5, 4, phi5);
  settable(t7, 4, phi7);

/* INITIALIZE VARIABLES AND POWER LEVELS FOR PULSES */

  tauhn = 1/(4.0*95.0);  /* initialize */
  taunco = 1/(4.0*15.0);  /* initialize */
  tauhn = ((jhn != 0.0) ? 1/(4*(jhn)) : 2.25e-3);
  taunco = ((jnco !=0.0) ? 1/(4*(jnco)) : 16.6e-3);

  kappa=(gt1 +gstab + (4.0/PI)*pwN + WFG_START_DELAY + pw180offca)/(0.5*ni/sw1)-0.001;

  if (kappa > 1.0) 
     {  
                              kappa=1.0-0.01;
     }

  if (ix == 1)
  printf("semi-constant-time factor %4.6f\n",kappa);

  dofca = dof - 118.0*dfrq;

       if((getval("arraydim") < 1.5) || (ix==1))
         first_FID = 1;
       else
         first_FID = 0;

/* 90 degree pulse on CO, null at Ca 118ppm away */

        pw90onco = sqrt(15.0)/(4.0*118.0*dfrq);
        rf90onco = (compC*4095.0*pwC)/pw90onco;
        rf90onco = (int) (rf90onco + 0.5);
        if(rf90onco > 4095.0)
        {
          if(first_FID)
            printf("insufficient power for pw90onco -> rf90onco (%.0f)\n", rf90onco);
          rf90onco = 4095.0;
          pw90onco = pwC;
        }

/* 180 degree pulse on CO, null at Ca 118ppm away */

        pw180onco = sqrt(3.0)/(2.0*118.0*dfrq);
        rf180onco = (compC*4095.0*pwC*2.0)/pw180onco;
        rf180onco = (int) (rf180onco + 0.5);
        if(rf180onco > 4095.0)
        {
          if(first_FID)
            printf("insufficient power for pw180onco -> rf180onco (%.0f)\n", rf180onco);
          rf180onco = 4095.0;
          pw180onco = pwC*2.0;
        }
        pw180offca = pw180onco;        rf180offca = rf180onco;

/* Phase incrementation for hypercomplex data */

  if (phase == 1)      /* Hypercomplex in t2 */
     {
	                        icosel = 1;
	                        tsadd(t2, 2, 4);
	                        tsadd(t3, 2, 4);
     }  
      else icosel = -1;
   
/* calculate modification to phases based on current t1 values
   to achieve States-TPPI acquisition */
  
   if(ix == 1)
      d2_init = d2;
      t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5);

      if(t1_counter %2) 
      {
        tsadd(t1, 2, 4);
        tsadd(t7, 2, 4);
      }

/* set up so that get (-90,180) phase corrects in F1 if f1180 flag is y */

   tau1 = d2;
   if (f1180[A] == 'y')  tau1 += ( 1.0/(2.0*sw1));
   tau1 = tau1/2.0;
   
/* BEGIN ACTUAL PULSE SEQUENCE */

status(A);
   obspower(satpwr);            /* Set power for presaturation    */
   decpower(pwClvl);              /* Set decoupler1 power to pwClvl  */
   decpwrf(rf180onco);
   dec2power(pwNlvl);            /* Set decoupler2 power to pwNlvl */
   obsoffset(tof);
   decoffset(dof);
   dec2offset(dof2);

/* Presaturation Period */

 if (satmode[0] == 'y')
   {
     rgpulse(d1,zero,rof1,rof1);
     obspower(tpwr);               /* Set power for hard pulses  */
   }
 else  
   {
     obspower(tpwr);               /* Set power for hard pulses  */
     delay(d1);
   }

if (tpwrsf_d<4095.0) tpwrs=tpwrs+6.0; /* allow for fine power control via tpwrsf_d */

  rcvroff();
  dec2phase(zero);
  obspwrf(tpwrsf_d); obspower(tpwrs);
  shaped_pulse("H2Osinc_d", pwHs, one, rof1, rof1);
  obspower(tpwr); obspwrf(4095.0);

  rgpulse(pw,zero,rof1,0.0);

  zgradpulse(gzlvl0,gt0);
  delay(gstab);
   
  delay(tauhn - gt0 - gstab);   /* delay for 1/4JHN coupling */
   
  sim3pulse(2.0*pw,0.0,2.0*pwN,zero,zero,zero,rof1,rof1);

  delay(tauhn - gt0 - gstab);  /* delay for 1/4JHN coupling */
   
  zgradpulse(gzlvl0,gt0);
  delay(gstab -rof1);

  dec2phase(zero);
   
  rgpulse(pw,three,rof1,0.0);
            
  zgradpulse(gzlvl3,gt3);
  delay(gstab);
   
  dec2rgpulse(pwN,zero,0.0,0.0);

  if (abfilter[0] == 'b')
    {
	
        zgradpulse(gzlvl5*1.2,gt5);
	delay(gstab);

	delay(0.5*taunco - gt5 - gstab); /* 1/8J(NCO) */

        sim3pulse(0.0*pw,0.0*pw180onco,0.0,zero,zero,zero,rof1,rof1);

	delay(0.5*taunco - gt5 - gstab);     /* 1/8J(NCO) */

        zgradpulse(gzlvl5*1.2,gt5);
	dec2phase(t4);
        delay(gstab);
	
        sim3pulse(0.0,pw180onco,2.0*pwN,zero,zero,t4,rof1,rof1);
     
        zgradpulse(gzlvl5*1.2,gt5);
	delay(gstab);

	delay(0.5*taunco - gt5 - gstab);     /* 1/8J(NCO) */

        sim3pulse(0.0*pw,0.0*pw180onco,0.0,zero,zero,zero,rof1,rof1);
       
	delay(0.5*taunco - gt5 - gstab - POWER_DELAY);  /* 1/8J(NCO) */

        decpwrf(rf180offca);   
        zgradpulse(gzlvl5*1.2,gt5);
	delay(gstab);

	dec2phase(one);

	dec2rgpulse(pwN,one,0.0,0.0);  /* purge for 15N */
    }

  if (abfilter[0] == 'a')
    {
        zgradpulse(gzlvl5*1.2,gt5);
	delay(gstab);
	
	delay(0.5*taunco - gt5 - gstab - 0.5*pw180onco);   /* 1/8J(NCO) */

	sim3pulse(0.0*pw,pw180onco,0.0,zero,zero,zero,rof1,rof1); /* 180 CO */
	
	delay(0.5*taunco - gt5 - gstab - 0.5*pw180onco);   /* 1/8J(NCO) */
	
        zgradpulse(gzlvl5*1.2,gt5);
	dec2phase(t4);
	delay(gstab);

        sim3pulse(0.0,0.0,2.0*pwN,zero,zero,t4,rof1,rof1); /* 180 15N */

        zgradpulse(gzlvl5*1.2,gt5);
	delay(gstab);
	
	delay(0.5*taunco - gt5 - gstab - 0.5*pw180onco); /* 1/8J(NCO) */
	
	sim3pulse(0.0*pw,pw180onco,0.0,zero,zero,zero,rof1,rof1);  /* 180 CO */

	delay(0.5*taunco - gt5 - gstab - 0.5*pw180onco - POWER_DELAY); /* 1/8J(NCO) */

        decpwrf(rf180offca);   
        zgradpulse(gzlvl5*1.2,gt5);
	delay(gstab);	

        decphase(t5); 
       	dec2phase(zero);
       
       	dec2rgpulse(pwN,zero,0.0,0.0); /* purge for 15N */
    }

        zgradpulse(gzlvl3*1.3,gt3);
        delay(gstab);

       	dec2rgpulse(pwN,t1,0.0,0.0); /* read for 15N */
   
       delay(tau1);
       
       decshaped_pulse("offC3",pw180offca,t5,0.0,0.0);
       
       delay((1-kappa)*tau1);
   
       zgradpulse(gzlvl1,gt1);
       delay(gstab);

       dec2phase(zero);
       dec2rgpulse(2.0*pwN,zero,0.0,0.0);

       delay(gt1 + gstab + (4.0/PI)*pwN + WFG_START_DELAY + pw180offca - kappa*tau1);

 
   sim3pulse(pw,0.0,0.0,t2,zero,zero,rof1,rof1);  /* Pulse for 1H  */ 
 
   zgradpulse(gzlvl5,gt5);
   delay(gstab);

  delay(tauhn - gt5 - gstab);  /* delay=1/4J (NH) */

  sim3pulse(2.0*pw,0.0,2.0*pwN,zero,zero,zero,rof1,rof1);

  txphase(zero); 
  dec2phase(zero);

  delay(tauhn - gt5 - gstab); /* 1/4J (NH)  */

  zgradpulse(gzlvl5,gt5);
  delay(gstab);

  txphase(one);

  sim3pulse(pw,0.0,pwN,one,zero,zero,rof1,rof1); /* 90 for 1H and 15N */
  obspower(tpwrs); obspwrf(tpwrsf_u);
  shaped_pulse("H2Osinc_u", pwHs, t2, rof1, 0.0);
  obspower(tpwr); obspwrf(4095.0);
   
  dec2phase(zero);

  zgradpulse(gzlvl5*0.8,gt5);
  delay(gstab);

  delay(tauhn -gt5 -gstab -2.0*POWER_DELAY -pwHs -WFG_START_DELAY); /* delay=1/4J (NH) */

  sim3pulse(2.0*pw,0.0,2.0*pwN,zero,zero,zero,rof1,rof1);

  txphase(zero); 
  dec2phase(t3);

  delay(tauhn - gt5 - gstab - 2.0*POWER_DELAY);   /* 1/4J (NH)  */

  zgradpulse(gzlvl5*0.8,gt5);
  delay(gstab);

  dec2rgpulse(pwN,t3,0.0,0.0);

  decpower(dpwr);
  dec2power(dpwr2);
   
  delay((gt1/10.0) + gstab - 2.0*POWER_DELAY);
         
  rgpulse(2.0*pw, zero, 0.0, 0.0);
         
  zgradpulse(gzlvl2*icosel,gt1*0.1);
  delay(gstab);

/* acquire data */

     setreceiver(t7);
}
Ejemplo n.º 9
0
pulsesequence()
{
   double          tau, rg1 = 2.0e-6,
                   jXH = getval("jXH"),
                   mult = getval("mult"),
                   gt0 = getval("gt0"),
                   gzlvl0 = getval("gzlvl0"),
                   gt1 = getval("gt1"),
                   gzlvl1 = getval("gzlvl1"),
                   gt2 = getval("gt2"),
                   gzlvl2 = getval("gzlvl2"),
                   gt3 = getval("gt3"),
                   gzlvl3 = getval("gzlvl3"),
                   Gratio = getval("Gratio"),
                   gstab = getval("gstab"),
                   compH = getval("compH"),
                   compX = getval("compX"),
                   Hpwr = getval("Hpwr"),
		   jevol = 0.25 / 140.0;    /* default for C-13 */

   char            pshape[MAXSTR], zz[MAXSTR], ad180[MAXSTR], sspul[MAXSTR];
   shape           hdx;                     /* HADAMARD stuff */
   void            setphases();

   getstr("pshape", pshape);              /* pulse shape as in wavelib */
   getstr("sspul", sspul);
   getstr("zz", zz);
   getstr("ad180", ad180);
   if (jXH > 0.0) jevol = 0.25 / jXH;
   
   tau = gt3 + gstab;
   if (mult > 0.5)
    tau = 2*jevol;

   setphases();

   /* MAKE PBOX SHAPES */

   if (FIRST_FID)
   {
     ad180sh = pbox_ad180("ad180", pwx, pwxlvl);    /* make adiabatic 180 */
     if (strcmp(pwpat,"Hdec") == 0)
     {
       /* make H decoupling shape */
       Hdec = pboxHT_dec(pwpat, pshape, jXH, 20.0, pw, compH, tpwr);
       Hpwr = Hdec.pwr;
     }
   }

   hdx = pboxHT_F1i(pshape, pwx*compX, pwxlvl);         /* HADAMARD stuff */
   if (getval("htcal1") > 0.5)           /* enable manual power calibration */
     hdx.pwr += getval("htpwr1");

 /* THE PULSE PROGRAMM STARTS HERE */
   status(A);

    delay(5.0e-5);
    zgradpulse(gzlvl0,gt0);
    if (sspul[0] == 'y')
    {
      rgpulse(pw,zero,rof1,rof1);
      zgradpulse(gzlvl0,gt0);
    }

    pre_sat();
      
    if (getflag("wet"))
      wet4(zero,one);

   decoffset(dof);
   decpower(pwxlvl);
   obspower(tpwr);
   obsoffset(tof);
   delay(2.0e-5);
 
   status(B);

   rgpulse(pw, v2, rg1, rg1);
   delay(jevol - ad180sh.pw/2.0 - 3.0*rg1); /* +rg on both sides */
   decshaped_pulse(ad180sh.name, ad180sh.pw, zero, rg1, rg1);
   rgpulse(2.0*pw, zero, rg1, rg1);
   delay(jevol + ad180sh.pw/2.0 - rg1);
   rgpulse(pw, one, rg1, rg1);

   zgradpulse(-gzlvl2, gt2);
   delay(gstab);

   decpower(hdx.pwr);
   if (strcmp(pwpat,"") == 0)
     decshaped_pulse(hdx.name, hdx.pw, zero, rg1, rg1);
   else
   {
     obspower(Hpwr);
     simshaped_pulse(pwpat, hdx.name, hdx.pw, hdx.pw, zero, zero, rg1, rg1);
   }
   zgradpulse(gzlvl2*1.4, gt2);
   decpower(pwxlvl); obspower(tpwr);

   if((zz[A] == 'y') && (mult == 0)) 
   {
     ifzero(v1);
       decshaped_pulse(ad180sh.name, ad180sh.pw, zero, rg1, rg1);
     elsenz(v1);
       delay(0.5e-3);
     endif(v1);
   }
   else
   {
     delay(0.5e-3);
     decrgpulse(pwx,v1,rg1,rg1);
     if(ad180[A]=='y')
       decshaped_pulse(ad180sh.name, ad180sh.pw, zero, rg1, rg1);
     if(zz[A] == 'y')
       delay(tau);
     else
     {
       zgradpulse(gzlvl1,gt1);
       delay(tau - gt1 - 2*GRADIENT_DELAY);
     }
     if(ad180[A]=='y')
     {
       rgpulse(mult*pw, zero, rg1, rg1);
       decshaped_pulse(ad180sh.name, ad180sh.pw, zero, rg1, rg1);
     }
     else
       simpulse(mult*pw,2*pwx,zero,one,rg1,rg1);
     delay(tau); 
     decrgpulse(pwx,zero,rg1,rg1);
   }
   zgradpulse(gzlvl2/1.7, gt2);
   delay(gstab);

   rgpulse(pw, zero, rg1, rg1);
   delay(jevol - ad180sh.pw/2.0 - 3.0*rg1);  /* +rg on both sides */
   decshaped_pulse(ad180sh.name, ad180sh.pw, zero, rg1, rg1);
   rgpulse(2.0*pw, zero, rg1, rg1);

   if(zz[A] == 'y') 
   {
     delay(jevol + ad180sh.pw/2.0 - rg1);
     rgpulse(pw, one, rg1, rg1);
     zgradpulse(-gzlvl3, gt3);
     decpower(dpwr);
     delay(gstab);
     rgpulse(pw, three, rg1, rof2);
   }
   else
   {
     zgradpulse(2.0*gzlvl1/Gratio, gt1/2.0);
     decpower(dpwr);
     delay(jevol + ad180sh.pw/2.0 - rg1 - gt1/2.0 - 2*GRADIENT_DELAY - POWER_DELAY + rof2);
   }
   status(C);
}
Ejemplo n.º 10
0
pulsesequence()
{

/* DECLARE AND LOAD VARIABLES */

char        f1180[MAXSTR],   		      /* Flag to start t1 @ halfdwell */
            f2180[MAXSTR],    		      /* Flag to start t2 @ halfdwell */
            RELAY[MAXSTR],                         /* Insert HCCH-relay delay */
            ribose[MAXSTR],                         /* ribose CHn groups only */
            aromatic[MAXSTR],                     /* aromatic CHn groups only */
            rna_stCshape[MAXSTR],     /* calls sech/tanh pulses from shapelib */
            rna_stCdec[MAXSTR],        /* calls STUD+ waveforms from shapelib */
	    mag_flg[MAXSTR],             /* Flag to use magic-angle gradients */
	    H2O_flg[MAXSTR],
	    sspul[MAXSTR],
            SHAPE[MAXSTR],
	    STUD[MAXSTR];   /* apply automatically calculated STUD decoupling */
 
int         t1_counter,  		        /* used for states tppi in t1 */
            t2_counter,  	 	        /* used for states tppi in t2 */
            ni2 = getval("ni2");

double      tau1,         				         /*  t1 delay */
            tau2,        				         /*  t2 delay */
            delta1,delta2,
               ni = getval("ni"),
            lambda = 0.94/(4*getval("JCH")),       /* 1/4J H1 evolution delay */
            tCH = 1/(6.0*getval("JCH")),          /* 1/4J C13 evolution delay */
            tCC = 1/(8*getval("JCC")),

        pwClvl = getval("pwClvl"),              /* coarse power for C13 pulse */
        pwC = getval("pwC"),          /* C13 90 degree pulse length at pwClvl */
   rfC,                           /* maximum fine power when using pwC pulses */
   compC = getval("compC"),       /* adjustment for C13 amplifier compression */
                               /* temporary Pbox parameters */
   bw, pws, ofs, ppm, nst,     /* bandwidth, pulsewidth, offset, ppm, # steps */

/* Sech/tanh inversion pulses automatically calculated by macro "rna_cal"     */
/* and string parameter rna_stCshape calls them from your shapelib.           */
   rfst = 0.0,          /* fine power for the rna_stCshape pulse, initialised */
   dofa,        /* dof shifted to 80 or 120ppm for ribose or aromatic spectra */

/* string parameter stCdec calls stud decoupling waveform from your shapelib.*/
   studlvl,	                         /* coarse power for STUD+ decoupling */
            stdmf = getval("dmf80"),     /* dmf for 80 ppm of STUD decoupling */
            rf80 = getval("rf80"),                /* rf in Hz for 80ppm STUD+ */

	pwNlvl = getval("pwNlvl"),	              /* power for N15 pulses */
        pwN = getval("pwN"),          /* N15 90 degree pulse length at pwNlvl */

	sw1 = getval("sw1"),
	sw2 = getval("sw2"),

	gt3 = getval("gt3"),
	gt4 = getval("gt4"),
	gt5 = getval("gt5"),
	gt7 = getval("gt7"),
	gt8 = getval("gt8"),
	gt9 = getval("gt9"),
        gzcal = getval("gzcal"),
	grecov = getval("grecov"),
	gzlvl0 = getval("gzlvl0"),
	gzlvl3 = getval("gzlvl3"),
	gzlvl4 = getval("gzlvl4"),
	gzlvl5 = getval("gzlvl5"),

	gzlvl7 = getval("gzlvl7"),		/* triax option */
	gzlvl8 = getval("gzlvl8"),
	gzlvl9 = getval("gzlvl9");

    getstr("f1180",f1180);
    getstr("mag_flg",mag_flg);
    getstr("f2180",f2180);
    getstr("RELAY",RELAY);
    getstr("ribose",ribose);
    getstr("aromatic",aromatic);
    getstr("H2O_flg",H2O_flg);
    getstr("sspul",sspul);
    getstr("SHAPE",SHAPE);
    getstr("STUD",STUD);


/*   INITIALIZE VARIABLES   */

/* maximum fine power for pwC pulses */
        rfC = 4095.0;

  setautocal();                        /* activate auto-calibration flags */ 

  if (autocal[0] == 'n') 
  {
      /* 50ppm sech/tanh inversion */
      rfst = (compC*4095.0*pwC*4000.0*sqrt((7.5*sfrq/600+3.85)/0.41));
      rfst = (int) (rfst + 0.5);
  }
  else        /* if autocal = 'y'(yes), 'q'(quiet), r(read), or 's'(semi) */
  {
    if(FIRST_FID)                                            /* call Pbox */
    {
      ppm = getval("dfrq"); 
      bw = 50.0*ppm; pws = 0.001; ofs = 0.0; nst = 500.0; 
      stC50 = pbox_makeA("rna_stC50", "sech", bw, pws, ofs, compC*pwC, pwClvl, nst);
      if (dm3[B] == 'y') H2ofs = 3.2;
      ofs_check(H1ofs, C13ofs, N15ofs, H2ofs);
    }
    rfst = stC50.pwrf; 
  }
        strcpy(rna_stCshape, "rna_stC50");
        strcpy(rna_stCdec, "wurst80");
        studlvl = pwClvl + 20.0*log10(compC*pwC*4.0*rf80);
        studlvl = (int) (studlvl + 0.5);

/*  RIBOSE spectrum only, centered on 80ppm. */
  if (ribose[A]=='y')
        dofa = dof - 30.0*dfrq;

/*  AROMATIC spectrum only, centered on 120ppm */
  else
        dofa = dof + 10*dfrq;


/* CHECK VALIDITY OF PARAMETER RANGES */

  if( dpwrf < 4095 )
        { printf("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
          psg_abort(1); }

  if( pwC > (24.0e-6*600.0/sfrq) )
        { printf("Increase pwClvl so that pwC < 24*600/sfrq");
          psg_abort(1); }

  if((dm[A] == 'y' || dm[B] == 'y' ))
	{ printf("incorrect Dec1 decoupler flags!  "); psg_abort(1);}

  if((dm2[A] == 'y' || dm2[B] == 'y'))
	{ printf("incorrect Dec2 decoupler flags!  "); psg_abort(1);}

  if((dm3[A] == 'y' || dm3[C] == 'y' ))
	{printf("incorrect dec1 decoupler flags! Should be 'nyn' or 'nnn' ");
								psg_abort(1); }
  if ((dm3[B] == 'y'  &&   dpwr3 > 44 ))
	{ printf("Deuterium decoupling power too high ! "); psg_abort(1);}

  if( dpwr > 50 )
	{ printf("don't fry the probe, dpwr too large!  "); psg_abort(1);}

  if( dpwr2 > 50 )
	{ printf("don't fry the probe, dpwr2 too large!  "); psg_abort(1); }


/*  CHOICE OF PULSE SEQUENCE */

  if ( ((ribose[A]=='y') && (aromatic[A]=='y')) )
   { text_error("Choose  ONE  of  ribose='y'  OR  aromatic='y' ! ");
        psg_abort(1); }

  if ( ((aromatic[A]=='y') && (RELAY[A]=='y')) )
   { text_error("No RELAY with aromatic='y' ! ");
        psg_abort(1); }


/* LOAD VARIABLES */

   settable(t1, 2, phi1);
   settable(t2, 4, phi2);
   settable(t3, 16, phi3);
   settable(t4, 2, phi4);
   settable(t11,8, rec);


/* INITIALIZE VARIABLES */

/* Phase incrementation for hypercomplex data */

   if ( phase1 == 2 )     /* Hypercomplex in t1 */
     tsadd(t1,1,4);

   if ( phase2 == 2 )
     tsadd(t2,1,4);

/* calculate modification to phases based on current t1 values
   to achieve States-TPPI acquisition */

   if(ix == 1) d2_init = d2;
   t1_counter = (int)((d2-d2_init)*sw1 + 0.5);
   if(t1_counter % 2)     
   {
       tsadd(t1,2,4);
       tsadd(t11,2,4);
   }

/* calculate modification to phases based on current t2 values
   to achieve States-TPPI acquisition */

   if(ix == 1) d3_init = d3;
   t2_counter = (int)((d3-d3_init)*sw2 + 0.5);
   if(t2_counter % 2)     
   {
       tsadd(t2,2,4);
       tsadd(t11,2,4);
   }
 
/* set up so that get (90, -180) phase corrects in F1 if f1180 flag is y */

   tau1 = d2;
   if(f1180[A] == 'y')
   {
      tau1 += (1.0/(2.0*sw1));
   }
   if (tau1 < 1.0e-6) tau1 = 0.0;
   tau1 = tau1/2.0;

/* set up so that get (90, -180) phase corrects in F2 if f2180 flag is y */

   tau2 = d3;
   if(f2180[A] == 'y')
   {
      tau2 += (1.0/(2.0*sw2));
   }
   if (tau2 < 1.0e-6) tau2 = 0.0;
   tau2 = tau2/2.0;

   if (ni > 1)
      delta1 = (double)(t1_counter*(lambda - gt5 - 0.2e-3))/((double)(ni-1));
   else delta1 = 0.0;
   if (ni2 > 1)
      delta2 = (double)(t2_counter*(tCC - 0.6e-3))/((double)(ni2-1));
   else delta2 = 0.0;

   initval(7.0, v1);
   obsstepsize (45.0);

/* BEGIN ACTUAL PULSE SEQUENCE */

status(A);
   obsoffset(tof);
   decoffset(dofa);
   dec2offset(dof2);
   obspower(tpwr-12);                   
   decpower(pwClvl);
   decpwrf(rfC);
   dec2power(pwNlvl);                  
   decphase(zero);
   dec2phase(zero);
   if (sspul[0] == 'y')
   {
      rgpulse(200*pw, one, 10.0e-6, 0.0e-6);
      rgpulse(200*pw, zero, 0.0e-6, 1.0e-6);
   }
   obspower(tpwr);                   
   xmtrphase(v1);
   txphase(t1);
   if (dm3[B] == 'y') lk_sample();
   delay(d1);
   if (dm3[B] == 'y') lk_hold();
   rcvroff();

       decrgpulse(pwC, zero, rof1, rof1);
       delay(rof1);
       zgradpulse(gzlvl0,0.5e-3); 
       delay(grecov);

   if(dm3[B] == 'y')				  /*optional 2H decoupling on */
        { 
          dec3unblank();
          dec3rgpulse(1/dmf3, one, 0.0, 0.0); 
          dec3unblank();
          setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
         } 

status(B);
	rgpulse(pw, t1, 1.0e-4, rof1);
	xmtrphase(zero);
	txphase(zero);

	zgradpulse(gzlvl5,gt5); 

/*
        decpwrf(rfst);
        delay(lambda - gt5 - rof1 - SAPS_DELAY - GRADIENT_DELAY - POWER_DELAY -
                        WFG2_START_DELAY - 0.5e-3 + 70.0e-6 + tau1);

        decshaped_pulse(rna_stCshape, 1.0e-3, zero, 0.0, 0.0);

        delay(tau1 - delta1);

        rgpulse(2.0*pw, zero, 0.0, rof1);
        txphase(one);
        decpwrf(rfC);

        zgradpulse(gzlvl5,gt5);
        delay(lambda - delta1 - gt5 - rof1 - GRADIENT_DELAY - POWER_DELAY - 0.5e-3 + 70.0e-6);
*/


        delay(lambda - gt5 - rof1 - SAPS_DELAY - GRADIENT_DELAY + tau1);

        decrgpulse(2*pwC, zero, 0.0, 0.0);

        delay(tau1 - delta1);

        rgpulse(2.0*pw, zero, 0.0, rof1);
        txphase(one);

        zgradpulse(gzlvl5,gt5);
        delay(lambda - delta1 - gt5 - rof1 - GRADIENT_DELAY);

	rgpulse(pw, one, 0.0, rof1);
	decphase(t2);
	txphase(zero);

   if(mag_flg[A] == 'y')
      magradpulse(gzcal*gzlvl3,gt3); 
   else
      zgradpulse(gzlvl3,gt3); 

	delay(grecov);

	decrgpulse(pwC, t2, rof1, 0.0);
	decphase(zero);

	delay(tau2);
	
	dec2rgpulse(2.0*pwN,zero,0.0,0.0);

	delay(tCH - 2*pwN);

	rgpulse(2.0*pw, zero, 0.0, 0.0);
	decphase(t3);

	delay(tCC - tCH + tau2 - delta2 - 2.0*pw);
	
	decrgpulse(2.0*pwC, t3, 0.0, 0.0);
	decphase(t4);

	delay(tCC - delta2);

	decrgpulse(pwC, t4, 0.0, rof1);
	txphase(zero);
	decphase(zero);

  if(RELAY[A] == 'y')
   {
        zgradpulse(gzlvl4, gt4);
        delay(tCC - gt4 - GRADIENT_DELAY - pwC);

        decrgpulse(2.0*pwC, zero, 0.0, 0.0);

        zgradpulse(gzlvl4, gt4);
        delay(tCC - gt4 - GRADIENT_DELAY - pwC);

        decrgpulse(pwC, zero, 0.0, 0.0);
   }

	zgradpulse(gzlvl4,gt4); 
   	delay(tCC - gt4);

   	decrgpulse(2.0*pwC, zero, 0.0, rof1);

   if (H2O_flg[A] == 'y')
   {
      delay(tCC - gt4 - grecov - POWER_DELAY);

      zgradpulse(gzlvl4,gt4); 

      txphase(one);
      decphase(one);
      delay(grecov);

      decrgpulse(pwC, one, 0.0, rof1);
      rgpulse(900*pw, one, 0.0, rof1);
      txphase(zero);

      rgpulse(500*pw, zero, rof1, rof1);
      decphase(one);

      if(mag_flg[A] == 'y')
         magradpulse(gzcal*gzlvl7,gt7);
      else
         zgradpulse(gzlvl7,gt7);
      delay(200.0e-6);

      simpulse(pw, pwC, zero, one, 0.0, rof1);
      decphase(zero);

      zgradpulse(gzlvl4,gt4); 
      delay(tCH - gt4);

      simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, rof1);

      zgradpulse(gzlvl4,gt4); 
      delay(tCH - gt4);
   }
   else
   {
      delay(tCC - tCH - 2.0*pw - POWER_DELAY);
      rgpulse(2.0*pw, zero, 0.0, rof1);

      zgradpulse(gzlvl4,gt4); 
      delay(tCH - gt4 - rof1);
   }
   
	decrgpulse(pwC, zero, 0.0, rof1);
	txphase(zero);

   if(mag_flg[A] == 'y')
      magradpulse(gzcal*gzlvl8,gt8); 
   else
      zgradpulse(gzlvl8,gt8); 

	delay(grecov);

        if(dm3[B] == 'y')	         /*optional 2H decoupling off */
        {
         dec3rgpulse(1/dmf3, three, 0.0, 0.0);
         dec3blank();
         setstatus(DEC3ch, FALSE, 'w', FALSE, dmf3);
         dec3blank();
        }

	rgpulse(pw, zero, 0.0, rof1);

  if (SHAPE[A] =='y')
   {
	decpwrf(rfst);

   if(mag_flg[A] == 'y')
      magradpulse(gzcal*gzlvl9,gt9);
   else
      zgradpulse(gzlvl9,gt9);

	delay(lambda - gt9 - GRADIENT_DELAY - POWER_DELAY - WFG2_START_DELAY - 0.5e-3 + 70.0e-6);

        simshaped_pulse("",rna_stCshape,2*pw, 1.0e-3, zero, zero, 0.0, rof1);
        decphase(zero);

   if(mag_flg[A] == 'y')
      magradpulse(gzcal*gzlvl9,gt9);
   else
      zgradpulse(gzlvl9,gt9);

	decpwrf(rfC);

if (STUD[A]=='y') decpower(studlvl); else decpower(dpwr);

	delay(lambda - gt9 -rof1 -0.5*pw - 2*POWER_DELAY - GRADIENT_DELAY - 0.5e-3 + 70.0e-6);
   }
  else
   {
   if(mag_flg[A] == 'y')
      magradpulse(gzcal*gzlvl9,gt9);
   else
      zgradpulse(gzlvl9,gt9);

        delay(lambda - gt9 - GRADIENT_DELAY);

        simpulse(2*pw, 2*pwC, zero, zero, 0.0, rof1);

   if(mag_flg[A] == 'y')
      magradpulse(gzcal*gzlvl9,gt9);
   else
      zgradpulse(gzlvl9,gt9);

if (STUD[A]=='y') decpower(studlvl); else decpower(dpwr);

        delay(lambda - gt9 -rof1 -0.5*pw - POWER_DELAY - GRADIENT_DELAY);
     } 

	rgpulse(pw, zero, rof1, rof2);
	rcvron();
if (dm3[B] == 'y') lk_sample();
	setreceiver(t11);

if ((STUD[A]=='y') && (dm[C] == 'y'))
	{
        decunblank();
        decon();
        decprgon(rna_stCdec,1/stdmf, 1.0);
        startacq(alfa);
        acquire(np, 1.0/sw);
        decprgoff();
        decoff();
        decblank();
        }
   else	
	 status(C);
setreceiver(t11);
}
Ejemplo n.º 11
0
pulsesequence()
{



    /* DECLARE AND LOAD VARIABLES */

    char        f1180[MAXSTR],   		      /* Flag to start t1 @ halfdwell */
                CT[MAXSTR],
                refocN15[MAXSTR],
                refocCO[MAXSTR], COshape[MAXSTR],
                C180shape[MAXSTR];

    int         t1_counter,icosel;  		        /* used for states tppi in t1 */

    double      tau1,         				         /*  t1 delay */
                tauch =  getval("tauch"), 	   /* 1/4J   evolution delay */
                tauch1 =  getval("tauch1"),   /* 1/4J or 1/8JC13H   evolution delay */
                timeCC =  getval("timeCC"),  /* 13C constant-time if needed*/
                corrD, corrB, /* small  correction delays */

                dof_dec =  getval("dof_dec"), /*decoupler offset for decoupling during acq - folding */

                pwClvl = getval("pwClvl"),	              /* power for hard C13 pulses */
                pwC180lvl = getval("pwC180lvl"),           /*power levels for 180 shaped pulse */
                pwC180lvlF = getval("pwC180lvlF"),
                pwC = getval("pwC"),          /* C13 90 degree pulse length at pwClvl */
                pwC180 = getval("pwC180"),   /* shaped 180 pulse on C13channl */

                sw1 = getval("sw1"),

                pwNlvl = getval("pwNlvl"),
                pwN = getval("pwN"),

                pwCOlvl = getval("pwCOlvl"),
                pwCO = getval("pwCO"),

                gstab = getval("gstab"),
                gstab1 = getval("gstab1"), /* recovery for club sandwitch, short*/
                gt0 = getval("gt0"),
                gt1 = getval("gt1"),
                gt2 = getval("gt2"),
                gt3 = getval("gt3"),                               /* other gradients */
                gt4 = getval("gt4"),
                gt5 = getval("gt5"),
                gt9 = getval("gt9"),

                gzlvl0 = getval("gzlvl0"),
                gzlvl2 = getval("gzlvl2"),
                gzlvl3 = getval("gzlvl3"),
                gzlvl4 = getval("gzlvl4"),
                gzlvl5 = getval("gzlvl5"),
                gzlvl9 = getval("gzlvl9");



    getstr("f1180",f1180);
    getstr("C180shape",C180shape);
    getstr("COshape",COshape);
    getstr("refocCO",refocCO);
    getstr("refocN15",refocN15);
    getstr("CT",CT);


    /*   LOAD PHASE TABLE    */


    settable(t2,2,phi2);
    settable(t3,1,phi3);
    settable(t4,1,phi4);
    settable(t10,1,phix);
    settable(t11,4,rec);


    /*   INITIALIZE VARIABLES   */




    /* CHECK VALIDITY OF PARAMETER RANGES */
    /* like in olde good times */

    if((dm[A] == 'y' || dm[B] == 'y'))
    {
        text_error("incorrect dec1 decoupler flags! Should be 'nnn' or 'nny' ");
        psg_abort(1);
    }

    if((dm2[A] != 'n' || dm2[B] != 'n' || dm2[C] != 'n'))
    {
        text_error("incorrect dec2 decoupler flags! Should be 'nnn' ");
        psg_abort(1);
    }

    if( dpwr2 > 45 )
    {
        text_error("don't fry the probe, DPWR2 too large!  ");
        psg_abort(1);
    }
    if( dpwr > 50 )
    {
        text_error("don't fry the probe, DPWR too large!  ");
        psg_abort(1);
    }

    if( (pw > 30.0e-6) )
    {
        text_error("don't fry the probe, pw too high ! ");
        psg_abort(1);
    }

    if( (pwC > 200.0e-6)  )
    {
        text_error("don't fry the probe, pwC too high ! ");
        psg_abort(1);
    }


    /* PHASES AND INCREMENTED TIMES */

    /*  Phase incrementation for hypercomplex 2D data, States-TPPI-Haberkorn element */

    if (phase1 == 1)  {
        tsadd(t10,2,4);
        icosel = +1;
    }
    else       {
        icosel = -1;
    }
    /* Calculate modifications to phases for States-TPPI acquisition          */

    if( ix == 1)  d2_init = d2;
    t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
    if(t1_counter % 2)
    {
        tsadd(t2,2,4);
        tsadd(t11,2,4);
    }



    /*  Set up f1180  */

    tau1 = d2;
    if((f1180[A] == 'y') && (ni > 0.0))
    {
        tau1 += ( 1.0 / (2.0*sw1) );
        if(tau1 < 0.2e-6) tau1 = 0.0;
    }
    tau1 = tau1/2.0;

    if(CT[A]=='y')   {
        refocN15[A]='y';
        refocCO[A]='y';

        if ( (timeCC-ni/sw1*0.5)*0.5 -pw -pwCO*0.5 -pwN-rof1  <0.2e-6 )
        {
            text_error("too many increments in t1 for a constant time");
            psg_abort(1);
        }
    }

    /*temporary*/
    /* correction delays */

    corrB=0.0;
    corrD=2.0/M_PI*pwC-pw-rof1;

    if (corrD < 0.0) {
        corrB=-corrD;
        corrD=0.0;
    }


    /* BEGIN PULSE SEQUENCE */

    status(A);
    obsoffset(tof);
    obspower(tpwr);
    decpower(pwClvl);
    decpwrf(4095.0);
    decoffset(dof);
    obspwrf(4095.0);
    delay(d1);

    txphase(zero);
    decphase(zero);

    decrgpulse(pwC, zero, rof1, rof1);
    zgradpulse(gzlvl0, gt0);
    delay(2.0*gstab);
    delay(5.0e-3);


    /************ H->C13 */
    txphase(zero);
    decphase(zero);

    rgpulse(pw,zero,rof1,rof1);

    decpower(pwC180lvl);
    decpwrf(pwC180lvlF);

    delay(gstab);
    zgradpulse(gzlvl5, gt5);
    delay(tauch - gt5 -gstab);


    simshaped_pulse("hard",C180shape,2.0*pw,pwC180,zero,zero, 0.0, 0.0);


    decpower(pwClvl);
    decpwrf(4095.0);
    txphase(one);
    delay(tauch - gt5-gstab);
    zgradpulse(gzlvl5, gt5);
    delay(gstab);

    rgpulse(pw, one, rof1,rof1);

    /*** purge   */
    dec2power(pwNlvl);
    dec2pwrf(4095.0);
    txphase(zero);
    decphase(t2);
    delay(gstab);
    zgradpulse(gzlvl2, gt2);

    delay(3.0*gstab);


    /*  evolution on t1 */

    /* real time here */
    if(CT[A]=='n')
    {
        decrgpulse(pwC, t2, 0.0, 0.0);
        decphase(zero);
        decpower(pwC180lvl);
        decpwrf(pwC180lvlF);

        delay(tau1);
        obsunblank();
        rgpulse(pw,one,rof1,0.0);
        rgpulse(2.0*pw,zero,0.0,0.0);
        rgpulse(pw,one,0.0,rof1);
        obsblank();

        if(refocN15[A]=='y') dec2rgpulse(2.0*pwN,zero,0.0,0.0); /*n15 refocusing */

        if(refocCO[A]=='y')
        {
            decpower(pwCOlvl);
            decshaped_pulse(COshape,pwCO,zero, 3.0e-6, 3.0e-6);
            decpower(pwC180lvl);
        }


        delay(tau1);


        /*************** CODING with CLUB sandwitches and BIPS */


        zgradpulse(gzlvl3*icosel, gt3);
        delay(gstab1);
        decshaped_pulse(C180shape,pwC180,zero, 0.0, 0.0);
        zgradpulse(-gzlvl3*icosel, gt3);

        delay(gstab1 +rof1*2.0+pw*4.0 +pwC*4.0/M_PI +2.0*POWER_DELAY+2.0*PWRF_DELAY);

        if(refocN15[A]=='y') delay(2.0*pwN); /*n15 refocusing */
        if(refocCO[A]=='y') /* ghost CO pulse */
        {
            decpower(pwCOlvl);
            decshaped_pulse(COshape,pwCO,zero, 3.0e-6, 3.0e-6);
            decpower(pwC180lvl);
        }


        zgradpulse(-gzlvl3*icosel, gt3);
        delay(gstab1);
        decshaped_pulse(C180shape,pwC180,zero, 0.0, 0.0);
        zgradpulse( gzlvl3*icosel, gt3);
        decpower(pwClvl);
        decpwrf(4095.0);
        delay(gstab1);
    }      /* end of if bracket  for real-time  */
    /*^^^^^^^ end of real time */


    /* CONSTANT TIME VESION: */
    if(CT[A]=='y')
    {
        decrgpulse(pwC, t2, 0.0, 0.0);

        /* timeCC-t1 evolution */
        decpower(pwC180lvl);
        decpwrf(pwC180lvlF);
        delay((timeCC-tau1)*0.5 -2.0*pw -pwCO*0.5 -pwN-rof1);

        obsunblank();
        rgpulse(pw,one,rof1,0.0);
        rgpulse(2.0*pw,zero,0.0,0.0);
        rgpulse(pw,one,0.0,rof1);
        obsblank();

        if(refocN15[A]=='y') dec2rgpulse(2.0*pwN,zero,0.0,0.0); /*n15 refocusing */
        if(refocCO[A]=='y' )
        {
            decpower(pwCOlvl);
            decshaped_pulse(COshape,pwCO,zero, 3.0e-6, 3.0e-6);
            decpower(pwC180lvl);
        }
        delay((timeCC-tau1)*0.5 -2.0*pw -pwCO*0.5 -pwN-rof1);
        /* end of timeCC-t1 evolution */
        /* 180 on carbons in T1 */

        decshaped_pulse(C180shape,pwC180,zero, 0.0, 0.0);

        /* timeCC+t1 evolution  + encoding */

        delay((timeCC+tau1)*0.5 -2.0*pw -pwCO*0.5 -pwN -rof1);

        obsunblank();
        rgpulse(pw,one,rof1,0.0);
        rgpulse(2.0*pw,zero,0.0,0.0);
        rgpulse(pw,one,0.0,rof1);
        obsblank();
        if(refocN15[A]=='y') dec2rgpulse(2.0*pwN,zero,0.0,0.0); /*n15 refocusing */
        if(refocCO[A]=='y' )
        {
            decpower(pwCOlvl);
            decshaped_pulse(COshape,pwCO,zero, 3.0e-6, 3.0e-6);
            decpower(pwC180lvl);
        }

        delay((timeCC+tau1)*0.5 -2.0*pw -pwCO*0.5 -pwN -rof1);

        zgradpulse(-gzlvl3*icosel, gt3*2.0); /* coding */
        delay(gstab +pwC*4.0/M_PI);
        decshaped_pulse(C180shape,pwC180,zero, 2e-6, 2e-6); /* ghost BIP pulse */
        zgradpulse(gzlvl3*icosel, gt3*2.0); /* coding */
        delay(gstab);

    } /*^^^^^^^ end of CONSTANT  time  bracket*/

    /*reverse INPET */



    simpulse(pw, pwC, zero, t10, 0.0, 0.0);
    delay(gstab);
    zgradpulse(gzlvl4,gt4);
    decpower(pwC180lvl);
    decpwrf(pwC180lvlF);
    delay(tauch - gt4 - gstab -corrD-pwC180 -POWER_DELAY-PWRF_DELAY);


    decshaped_pulse(C180shape,pwC180,zero, 0.0, 0.0);
    delay(corrD);
    rgpulse(2.0*pw,zero,rof1,rof1);

    zgradpulse(gzlvl4,gt4);
    delay(tauch - gt4 - gstab -corrB-pwC180 -POWER_DELAY-PWRF_DELAY);

    delay(gstab);

    decphase(one);
    txphase(one);
    decshaped_pulse(C180shape,pwC180,zero, 0.0, 0.0);
    decpower(pwClvl);
    decpwrf(4095.0);
    delay(corrB);


    simpulse(pw, pwC, one, one, 0.0, 0.0);

    decpower(pwC180lvl);
    decpwrf(pwC180lvlF);
    delay(gstab-POWER_DELAY-PWRF_DELAY -WFG_START_DELAY);
    zgradpulse(gzlvl5,gt5);
    delay(tauch1 - gt5 - gstab);

    simshaped_pulse("hard",C180shape,2.0*pw,pwC180,zero,zero, 0.0, 0.0);

    delay(tauch1- gt5 - gstab -  WFG_STOP_DELAY);
    zgradpulse(gzlvl5,gt5);
    delay(gstab-rof1);
    rgpulse(pw, zero,rof1,rof1);

    /* echo and decoding */

    delay(gstab+gt9-rof1+10.0e-6 + 2.0*POWER_DELAY+PWRF_DELAY +2.0*GRADIENT_DELAY);
    decoffset(dof_dec);
    rgpulse(2.0*pw, zero,rof1,rof1);
    delay(10.0e-6);
    zgradpulse(gzlvl9,gt9);
    decpower(dpwr);
    decpwrf(4095.0);
    decoffset(dof_dec);
    dec2power(dpwr2); /* POWER_DELAY EACH */
    delay(gstab);
    status(C);
    setreceiver(t11);
}
Ejemplo n.º 12
0
 pulsesequence()
 {
  char    
    f1180[MAXSTR],    
    f2180[MAXSTR],
    mag_flg[MAXSTR],  /* y for magic angle, n for z-gradient only  */
    ref_flg[MAXSTR];  /* yes for recording reference spectrum      */

 int        
    icosel,
    phase,
    ni2,     
    t1_counter,   
    t2_counter;   

 double      
    gzcal = getval("gzcal"),
    tau1,       
    tau2,       
    taua,         /*  ~ 1/4JNH =  2.3-2.7 ms]        */
    taub,         /*  ~ 2.75 ms          */
    bigT,         /*  ~ 12 ms            */
    bigTCO,       /*  ~ 25 ms            */
    bigTN,        /*  ~ 12 ms            */

    pwClvl,   /* High power level for carbon on channel 2 */
    pwC,      /* C13 90 degree pulse length at pwClvl     */
    compC,     /* Compression factor for C13 on channel 2  */
    pwCa180,  /* 180 degree pulse length for Ca           */
    pwCab180,
    pwCO180,

    pwNlvl,   /* Power level for Nitrogen on channel 3    */
    pwN,      /* N15 90 degree pulse lenght at pwNlvl     */
    maxcan,   /*  The larger of 2.0*pwN and pwCa180        */

    dpwrfC = 4095.0,
    dfCa180,
    dfCab180,
    dfCO180,
    fac180 = 1.69, 

    gt1,
    gt3,
    gt2,
    gt0,
    gt5,
    gt6,
    gt7,
    gt8,
    gt9,
    gt10,
    gstab,
    gzlvl1,
    gzlvl2,
    gzlvl3,
    gzlvl0,
    gzlvl5,
    gzlvl6,
    gzlvl7,
    gzlvl8,
    gzlvl9,
    gzlvl10;

/* LOAD VARIABLES */

    getstr("f1180",f1180);
    getstr("f2180",f2180);
    getstr("mag_flg", mag_flg);
    getstr("ref_flg", ref_flg);

    taua   = getval("taua"); 
    taub   = getval("taub");
    bigT = getval("bigT");
    bigTCO = getval("bigTCO");
    bigTN = getval("bigTN");
  
    pwClvl = getval("pwClvl");
    pwC = getval("pwC");
    compC = getval("compC");

    pwNlvl = getval("pwNlvl");
    pwN = getval("pwN");
    pwCa180 = getval("pwCa180");
    pwCab180 = getval("pwCab180");
    pwCO180 = getval("pwCO180");

    maxcan = 2.0*pwN;
    if (pwCa180 > maxcan) maxcan = pwCa180;
 
    dpwr = getval("dpwr");
    phase = (int) ( getval("phase") + 0.5);
    phase2 = (int) ( getval("phase2") + 0.5);
    sw1 = getval("sw1");
    sw2 = getval("sw2");
    ni = getval("ni");
    ni2 = getval("ni2");
 
    gt1 = getval("gt1");
    gt2 = getval("gt2");
    gt3 = getval("gt3");
    gt0 = getval("gt0");
    gt5 = getval("gt5");
    gt6 = getval("gt6");
    gt7 = getval("gt7");
    gt8 = getval("gt8");
    gt9 = getval("gt9");
    gstab = getval("gstab");
    gt10 = getval("gt10");
 
    gzlvl1 = getval("gzlvl1");
    gzlvl2 = getval("gzlvl2");
    gzlvl3 = getval("gzlvl3");
    gzlvl5 = getval("gzlvl5");
    gzlvl0 = getval("gzlvl0");
    gzlvl6 = getval("gzlvl6");
    gzlvl7 = getval("gzlvl7");
    gzlvl8 = getval("gzlvl8");
    gzlvl9 = getval("gzlvl9");
    gzlvl10 = getval("gzlvl10");

 
    dfCa180 = (compC*4095.0*pwC*2.0*fac180)/pwCa180;
    dfCab180 = (compC*4095.0*pwC*2.0*fac180)/pwCab180;
    dfCO180  = (compC*4095.0*pwC*2.0*fac180)/pwCO180;

/* LOAD PHASE TABLE */

    settable(t1,4,phi1);
    settable(t2,2,phi2);
    settable(t3,16,phi3);
    settable(t4,16,phi4);
    settable(t5, 1, phi5);
   
    settable(t10,16,rec);
  

/* CHECK VALIDITY OF PARAMETER RANGES */
        
    if((ref_flg[A] == 'y') && (dps_flag))
    {
       printf("ref_flg=y: for 2D HN-CO or 3D HNCO reference spectrum without CO-HB coupling.\n");
    }

    if(ni2/sw2 > 2.0*(bigTN))
    {
       printf(" ni2 is too big, should < %f\n", 2.0*sw2*(bigTN));
    }

    if((ni/sw1 > 2.0*(bigTCO - gt6 - maxcan))&&(ref_flg[A] == 'y'))
    {
       printf("ni is too big, should < %f\n", 2.0*sw1*(bigTCO-gt6-maxcan));
    }
  
    if(( dpwr > 50 ) || (dpwr2 > 50))
    {
        printf("don't fry the probe, either dpwr or dpwr2 is  too large!  ");
        psg_abort(1);
    }

    if((gt1 > 5.0e-3) ||(gt2>5e-3)||(gt3>5e-3)|| (gt0 > 5.0e-3))
    {
        printf("The length of gradients are too long\n");
        psg_abort(1);
    }

    if((taub - 2.0*pw - gt8 - 1.0e-3 - 6.0*GRADIENT_DELAY)<0.0)
    {
        printf("Shorten gt8 so that preceding delay is not negative\n");
        psg_abort(1);
    }

    if((dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y'))
    {
        printf("incorrect dec1 decoupler flags! should be 'nnn' ");
        psg_abort(1);
    }

    if((dm2[A] == 'y' || dm2[B] == 'y' ))
    {
        printf("incorrect dec2 decoupler flags! Should be 'nny' ");
        psg_abort(1);
    }

/*  Phase incrementation for hypercomplex 2D data */

    if (phase == 2)
    {
        if(ref_flg[A] == 'y') tsadd(t1,3,4);
        else tsadd(t1, 1, 4);
    }
  
    if (phase2 == 2)
    {
       tsadd(t5,2,4);
       icosel = 1; 
    }
    else icosel = -1;

/*  Set up f1180  half_dwell time (1/sw1)/2.0           */
   
    if (ref_flg[A] == 'y') tau1 = d2;
    else tau1 = d2 - (4.0*pw/PI);

    if(f1180[A] == 'y')
    {
        tau1 += (1.0/(2.0*sw1));
    }
    if(tau1 < 0.2e-6) tau1 = 0.0;
    tau1 = tau1/4.0;

/*  Set up f2180   half dwell time (1/sw2)/2.0           */

    tau2 = d3;
    if(f2180[A] == 'y')
    {
        tau2 += (1.0/(2.0*sw2)); 
    }
    if(tau2 < 0.2e-6) tau2 = 0.0;
    tau2 = tau2/2.0;

/* Calculate modifications to phases for States-TPPI acquisition   */

    if( ix == 1) d2_init = d2 ;
    t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
    if(t1_counter % 2) 
    {
       tsadd(t1,2,4);     
       tsadd(t10,2,4);    
    }
   
    if( ix == 1) d3_init = d3 ;
    t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
    if(t2_counter % 2) 
    {
       tsadd(t2,2,4);  
       tsadd(t10,2,4);    
    }
   

/* BEGIN ACTUAL PULSE SEQUENCE */

 status(A);
    decoffset(dof);
    obspower(tpwr);
    decpower(pwClvl);
    decpwrf(dpwrfC);
    dec2power(pwNlvl);
    txphase(zero);
    dec2phase(zero);

    delay(d1);
    dec2rgpulse(pwN, zero, 0.2e-6, 0.0);
    zgradpulse(gzlvl3, gt3);
    delay(0.001);
    rcvroff();

status(B);
    rgpulse(pw, zero, 1.0e-5, 1.0e-6);
    delay(2.0e-6);
    zgradpulse(0.8*gzlvl0,gt0);
    delay(taua - gt0 - 2.0e-6);
    sim3pulse(2.0*pw,(double)0.0,2.0*pwN,zero,zero,zero, 1.0e-6, 1.0e-6);
 
    delay(taua - gt0 - 500.0e-6);
    zgradpulse(0.8*gzlvl0,gt0);
    txphase(one);
    delay(500.0e-6);
    rgpulse(pw, one, 1.0e-6, 1.0e-6);

    delay(2.0e-6);
    zgradpulse(1.3*gzlvl3, gt3);

    decpwrf(dfCO180);
    txphase(zero);
    delay(200.0e-6);

    dec2rgpulse(pwN, zero, 0.0, 0.0);
    delay(2.0e-6);
    zgradpulse(gzlvl0, gt0);
    delay(taub - gt0 - 2.0*pw - 2.0e-6);
    rgpulse(2.0*pw, zero, 0.0, 0.0);

    delay(bigT - taub - WFG3_START_DELAY);
    sim3shaped_pulse("","offC8","",(double)0.0,pwCO180,2.0*pwN,zero,zero,zero,0.0,0.0);

    delay(bigT - gt0 - WFG3_STOP_DELAY - 1.0e-3);

    zgradpulse(gzlvl0, gt0);
    delay(1.0e-3);
  
    dec2rgpulse(pwN, zero, 0.0, 0.0);
    delay(2.0e-6);
    zgradpulse(gzlvl9, gt9);
    decpwrf(dpwrfC);
    decphase(t3);
    delay(200.0e-6);

    if(ref_flg[A] != 'y')
    {
       decrgpulse(pwC, t3, 0.0, 0.0);
       delay(2.0e-6);
       if(gt6 > 0.2e-6)  
          zgradpulse(gzlvl6, gt6);

       decpwrf(dfCO180);
       txphase(t1);
       delay(bigTCO - gt6 - 2.0e-6); 
       rgpulse(pw, t1, 0.0, 0.0);
       if(tau1 >(pwCab180/2.0 + WFG_START_DELAY +WFG_STOP_DELAY+ POWER_DELAY + pwCO180/2.0))
       {
          decpwrf(dfCab180);
          delay(tau1 - pwCab180/2.0 - WFG_START_DELAY - POWER_DELAY); 
          decshaped_pulse("offC27", pwCab180, zero, 0.0, 0.0);
          decpwrf(dfCO180);
          delay(tau1-pwCO180/2.0-pwCab180/2.0-WFG_STOP_DELAY-WFG_START_DELAY-POWER_DELAY);
          decshaped_pulse("offC8", pwCO180, zero, 0.0, 0.0);
          decpwrf(dfCab180);
          delay(tau1-pwCO180/2.0-pwCab180/2.0-WFG_STOP_DELAY-WFG_START_DELAY-POWER_DELAY);
          decshaped_pulse("offC27", pwCab180, zero, 0.0, 0.0);
          txphase(zero);
          delay(tau1 - pwCab180/2.0 - WFG_STOP_DELAY); 
       }
       else
       {
          delay(2.0*tau1);
          decshaped_pulse("offC8", pwCO180, zero, 0.0, 0.0);
          txphase(zero);
          delay(2.0*tau1);
       }
       rgpulse(pw, zero, 0.0, 0.0);
       delay(bigTCO - gt6 - POWER_DELAY - 1.0e-3);
       if (gt6 > 0.2e-6)
          zgradpulse(gzlvl6, gt6);
       decpwrf(dpwrfC);
       delay(1.0e-3);
       decrgpulse(pwC, zero, 0.0, 0.0);
    }
    else
    {
       decrgpulse(pwC, t3, 0.0, 0.0);
       decpwrf(dfCa180);
       sim3shaped_pulse("","offC17","",0.0e-6,pwCa180,0.0e-6,zero,zero,zero,2.0e-6,0.0);
       delay(2.0e-6);
       if(gt6 > 0.2e-6)  
          zgradpulse(gzlvl6, gt6);

       decpwrf(dfCO180);
       delay(bigTCO - 2.0*tau1 - maxcan - gt6 - 2.0*POWER_DELAY - 4.0e-6);

       decshaped_pulse("offC8", pwCO180, zero, 0.0, 0.0);
 
       delay(bigTCO - gt6 - maxcan - 2.0*POWER_DELAY - 1.0e-3);
       if (gt6 > 0.2e-6)
          zgradpulse(gzlvl6, gt6);
       decpwrf(dfCa180);
       delay(1.0e-3);
       sim3shaped_pulse("","offC17","",2.0*pw,pwCa180,2.0*pwN,zero,zero,zero,0.0,0.0);
     
       decpwrf(dpwrfC);
       delay(2.0*tau1);
       decrgpulse(pwC, t1, 2.0e-6, 0.0);
    }
    delay(2.0e-6);
    zgradpulse(gzlvl7, gt7);
    decpwrf(dfCO180);
    dec2phase(t2);
    delay(200.0e-6);

    dec2rgpulse(pwN, t2, 0.0, 0.0);

    delay(bigTN - tau2);
    dec2phase(t4);

    sim3shaped_pulse("","offC8","",(double)0.0,pwCO180,2.0*pwN,zero,zero,t4,0.0,0.0);

    decpwrf(dfCa180);
    delay(bigTN - taub - WFG_STOP_DELAY - POWER_DELAY);
    rgpulse(2.0*pw, zero, 0.0, 0.0);

    delay(taub - 2.0*pw - gt1 - 1.0e-3 - 6.0*GRADIENT_DELAY);
    if (mag_flg[A] == 'y')
    {
        magradpulse(gzcal*gzlvl1, gt1);
    }
    else
    {
        zgradpulse(gzlvl1, gt1);
        delay(4.0*GRADIENT_DELAY);
    }
    dec2phase(t5);
    delay(1.0e-3);
    decshaped_pulse("offC17", pwCa180, zero, 0.0, 0.0);
    delay(tau2);

    sim3pulse(pw,(double)0.0, pwN, zero,zero, t5, 0.0, 0.0);
    dec2phase(zero);
    delay(2.0e-6);
    zgradpulse(0.8*gzlvl5, gt5);
    delay(taua - gt5 - 2.0e-6);
    sim3pulse(2.0*pw,(double)0.0, 2.0*pwN, zero,zero, zero, 0.0, 0.0);
    delay(taua - gt5 - 500.0e-6);
    zgradpulse(0.8*gzlvl5, gt5);
    txphase(one);
    decphase(one);
    delay(500.0e-6);

    sim3pulse(pw,(double)0.0, pwN, one,zero, one, 0.0, 0.0);
    
    delay(2.0e-6);
    txphase(zero);
    dec2phase(zero);
    zgradpulse(gzlvl5, gt5);
    delay(taua - gt5 - 2.0e-6);
    sim3pulse(2.0*pw,(double)0.0, 2.0*pwN, zero,zero, zero, 0.0, 0.0);
  
    delay(taua - gt5 - 2.0*POWER_DELAY - 500.0e-6);
    zgradpulse(gzlvl5, gt5);
    decpower(dpwr);
    dec2power(dpwr2);
    delay(500.0e-6);

    rgpulse(pw, zero, 0.0, 0.0);

    delay(1.0e-4 +gstab + gt1/10.0 - 0.5*pw + 6.0*GRADIENT_DELAY);
    rgpulse(2.0*pw, zero, 0.0, 0.0);
    delay(2.0e-6);
    if(mag_flg[A] == 'y')
    {
       magradpulse(icosel*gzcal*gzlvl2, gt1/10.0);
    }
    else
    {
       zgradpulse(icosel*gzlvl2, gt1/10.0);  
       delay(4.0*GRADIENT_DELAY);
    }           
    delay(1.0e-4  - 2.0e-6);               
statusdelay(C,1.0e-4);
    setreceiver(t10);
}
Ejemplo n.º 13
0
pulsesequence()
{
/* DECLARE VARIABLES */

 char      
       f1180[MAXSTR],
       semitrosy[MAXSTR]; /* flag for selecting either fast relaxing peak in 1H or 15N-dimension
       */

 int	     phase,t1_counter,icosel;

 double      /* DELAYS */
             JNH = getval("JNH"),
             tau1,tauhn,


             /* PULSES */
             pwN = getval("pwN"),               /* PW90 for N-nuc */
             pwC = getval("pwC"),               /* PW90 for C-nuc */
   
             /* POWER LEVELS */
             pwClvl = getval("pwClvl"),         /* power level for C hard pulses */ 
             pwNlvl = getval("pwNlvl"),         /* power level for N hard pulses */

             /* CONSTANTS */
             sw1 = getval("sw1"),
             dof = getval("dof"),

  tpwrsf_d = getval("tpwrsf_d"), /* fine power adustment for first soft pulse(down)*/
  pwHs = getval("pwHs"),	        /* H1 90 degree pulse length at tpwrs */
  compH =getval("compH"),
  tpwrs,	  	              /* power for the pwHs ("H2Osinc") pulse */

             /* GRADIENT DELAYS AND LEVELS */
             gt0 = getval("gt0"),             /* gradient time */
             gt1 = getval("gt1"),             /* gradient time */
             gt3 = getval("gt3"),
             gt5 = getval("gt5"),
             gstab = getval("gstab"),         /* stabilization delay */
             gzlvl0 = getval("gzlvl0"),       /* level of gradient */
             gzlvl1 = getval("gzlvl1"),       /* level of gradient */
             gzlvl2 = getval("gzlvl2"),
             gzlvl3 = getval("gzlvl3"),       /* level of gradient */
             gzlvl5 = getval("gzlvl5");

/* LOAD VARIABLES */

  phase = (int) (getval("phase") + 0.5);
  ni = getval("ni");
  getstr("f1180",f1180); 
  getstr("semitrosy",semitrosy);
  tauhn=1/(4.0*JNH);
/* check validity of parameter range */

    if ((dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' ))
	{
	printf("incorrect Dec1 decoupler flags!  ");
	psg_abort(1);
    } 

    if ((dm2[A] == 'y' || dm2[B] == 'y' || dm2[C] == 'y' ))
	{
	printf("incorrect Dec2 decoupler flags!  ");
	psg_abort(1);
    } 

    if ( satpwr > 8 )
    {
	printf("satpwr too large !!!  ");
	psg_abort(1);
    }

    if ( dpwr > 50 )
    {
	printf("don't fry the probe, dpwr too large!  ");
	psg_abort(1);
    }

    if ( dpwr2 > 50 )
    {
	printf("don't fry the probe, dpwr2 too large!  ");
	psg_abort(1);
    }

/* LOAD VARIABLES */

  settable(t1, 2, phi1);
  settable(t2, 1, phi2);
  settable(t3, 1, phi3);
  settable(t4, 1, phi4);
  settable(t5, 1, phi5);
  settable(t6, 1, phi6);
  settable(t7, 2, phi7);
  settable(t8, 1, phi8);

/* INITIALIZE VARIABLES */

  tauhn = ((JNH != 0.0) ? 1/(4*(JNH)) : 2.25e-3);
  
/* selective H20 one-lobe sinc pulse */
    tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69));   /*needs 1.69 times more*/
    tpwrs = (int) (tpwrs);                   	  /*power than a square pulse */

        if (tpwrsf_d<4095.0)
        {
         tpwrs=tpwrs+6.0;  /* add 6dB to let tpwrsf_d control fine power ~2048*/
        }
 
/* Phase incrementation for hypercomplex data */
icosel = 1;  /* initialize */
 if ( semitrosy[A] == 'n' ) /* to choose for the semitrosy multiplet in 15N dimension, 'n' */
{

  if (phase == 1)      /* Hypercomplex in t1 */
     {
        icosel = -1;
     }  
   
   if (phase == 2)      /* Hypercomplex in t1 */
     {
	tsadd(t2, 2, 4);
	tsadd(t3, 2, 4);
        icosel = +1;
     }
   
   if (phase == 3)      /* Hypercomplex in t1 */
     {
        tsadd(t5, 2, 4);
	tsadd(t2, 2, 4);
	tsadd(t8, 2, 4);
	icosel = -1;
     }
   if (phase == 4)      /* Hypercomplex in t1 */
     {
        tsadd(t5, 2, 4);
	tsadd(t3, 2, 4);
        tsadd(t8, 2, 4);
	icosel = +1;
     }
}

   if ( semitrosy[A] == 'h' ) /* to choose for the semitrosy multiplet in 1H dimension, 'h' */
{
   if (phase == 1)      /* Hypercomplex in t1 */
     {
        icosel = -1;
     }  
   
   if (phase == 2)      /* Hypercomplex in t1 */
     {
        tsadd(t2, 2, 4);
	tsadd(t3, 2, 4);
        icosel = +1;
     }
   
   if (phase == 3)      /* Hypercomplex in t1 */
     {
	tsadd(t3, 2, 4);
	icosel = -1;
     }
   if (phase == 4)        /* Hypercomplex in t1 */
     {
	tsadd(t2, 2, 4);
	icosel = +1;
     }
}
   
/* calculate modification to phases based on current t1 values
   to achieve States-TPPI acquisition */
  
   if(ix == 1)
      d2_init = d2;
      t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5);

      if(t1_counter %2) 
      {
        tsadd(t1, 2, 4);
        tsadd(t7, 2, 4);
      }

/* set up so that get (-90,180) phase corrects in F1 if f1180 flag is y */

   tau1 = d2;
   if (tau1>0.0)
     tau1 = tau1 -rof1 -2.0*pwN/PI -4.0*pwC;
   if (f1180[A] == 'y')  tau1 += ( 1.0/(2.0*sw1));
   tau1 = tau1/2.0;
   

/* BEGIN ACTUAL PULSE SEQUENCE */

status(A);
   obspower(satpwr);            /* Set power for presaturation    */
   decpower(pwClvl);             /* Set decoupler1 power to pwClvl  */
   dec2power(pwNlvl);            /* Set decoupler2 power to pwNlvl */
   obsoffset(tof);
   decoffset(dof);
   dec2offset(dof2);

/* Presaturation Period */

 if (satmode[0] == 'y')
   {
     rgpulse(d1,zero,rof1,rof1);
     obspower(tpwr);               /* Set power for hard pulses */
   }
 else  
   {
     obspower(tpwr);                	/* Set power for hard pulses */
     delay(d1);
   }

status(B);

  obspower(tpwrs); obspwrf(tpwrsf_d);
  shaped_pulse("H2Osinc",pwHs,t8,rof1,0.0);
  obspower(tpwr); obspwrf(4095.0);

  rgpulse(pw,zero,rof1,rof1);

  zgradpulse(gzlvl0, gt0);
 
  delay(tauhn - gt0);   /* delay for 1/4JHN coupling */
   
  sim3pulse(2.0*pw,0.0,2.0*pwN,zero,zero,zero,rof1,rof1);

  zgradpulse(gzlvl0, gt0);

  delay(tauhn - gt0);  /* delay for 1/4JHN coupling */
   
  rgpulse(pw,t5,rof1,0.0);
            
   zgradpulse(gzlvl3, gt3);
   delay(gstab);
   
   dec2rgpulse(pwN,t1,rof1,0.0);

   delay(tau1);
   if (tau1>0.0)
   {
    decrgpulse(pwC,zero,rof1,0.0);
    decrgpulse(2.0*pwC,one,0.0,0.0);
    decrgpulse(pwC,zero,0.0,0.0);
   }
   delay(tau1);

   zgradpulse(gzlvl1, gt1);  
   delay(gstab);
   
   dec2rgpulse(2.0*pwN,t4,rof1,rof1);

   delay(gt1 + gstab -pwHs +2.0*GRADIENT_DELAY -4.0*POWER_DELAY -2.0*rof1 );

   obspower(tpwrs); obspwrf(tpwrsf_d);
   shaped_pulse("H2Osinc",pwHs,t6,rof1,0.0);
   obspower(tpwr); obspwrf(4095.0);
 
   rgpulse(pw,t2,rof1,rof1);  /* Pulse for 1H  */ 
 
   zgradpulse(gzlvl5, gt5);
   delay(tauhn  - gt5 -2.0*rof1 -pwN);

   sim3pulse(2.0*pw,0.0,2.0*pwN,zero,zero,zero,rof1,rof1);  

   zgradpulse(gzlvl5, gt5);

  delay(tauhn - gt5 - 1.5*pwN -2.0*rof1); /* 1/4J (XH)  */

  sim3pulse(pw,0.0,pwN,one,zero,zero,rof1,rof1); /* 90 for 1H and 15N */

  zgradpulse(1.5*gzlvl5, gt5);

  delay(tauhn - gt5 -1.5*pwN -2.0*rof1);   /* delay=1/4J (XH) */

  sim3pulse(2.0*pw,0.0,2.0*pwN,zero,zero,zero,rof1,rof1);

  zgradpulse(1.5*gzlvl5, gt5);

  delay(tauhn - gt5 -2.0*rof1 -pwN/2.0);   /* 1/4J (XH)  */

  dec2rgpulse(pwN,t3,rof1,0.0);
   
  delay(gt1/10.0 -rof1 -pwN/2.0 +gstab + 2.0*GRADIENT_DELAY + POWER_DELAY);
         
  rgpulse(2.0*pw, zero, rof1, rof1);

  dec2power(dpwr2);

  zgradpulse(icosel*gzlvl2, 0.1*gt1);
  delay(gstab-rof1);

status(C);
     setreceiver(t7);
}
Ejemplo n.º 14
0
pulsesequence()
{

/* DECLARE VARIABLES */


char    imino[MAXSTR],				/* Sets dof2 for imino region */
        amino[MAXSTR],				/* Sets dof2 for amino region */
	f1180[MAXSTR];                        /* Flag to start t1 @ halfdwell */

int     icosel,                                   /* used to get n and p type */
        t1_counter;         

double      tau1,                                                /*  t1 delay */
	    lambdaN = 0.94/(4.0*getval("JNH")),       /* 1/4J N-H INEPT delay */
	    lambdaN_int,			    /* interval in CPMG train */

        pwClvl = getval("pwClvl"),              /* coarse power for C13 pulse */
        pwC = getval("pwC"),          /* C13 90 degree pulse length at pwClvl */

        pwNlvl = getval("pwNlvl"),                    /* power for N15 pulses */
        pwN = getval("pwN"),          /* N15 90 degree pulse length at pwNlvl */
        dof2a,                                      /* offset for imino/amino */


        tpwr = getval("tpwr"),    	               /* power for H1 pulses */
        pw = getval("pw"),               /* H1 90 degree pulse length at tpwr */
	compH = getval("compH"),

	ncyc = getval("ncyc"),	   	    /* number of cycles in CPMG train */

	sw1 = getval("sw1"),
        grecov = getval("grecov"),

        pwHs = getval("pwHs"),          /* H1 90 degree pulse length at tpwrs */
        tpwrs,                    /* power for the pwHs ("rna_H2Osinc") pulse */

        pwHs2 = getval("pwHs2"),       /* H1 90 degree pulse length at tpwrs2 */
        tpwrs2,                           /* power for the pwHs2 square pulse */

        gt1 = getval("gt1"),                   /* coherence pathway gradients */
        gzlvl1 = getval("gzlvl1"),
        gzlvl2 = getval("gzlvl2"),

  gzlvl0 = getval("gzlvl0"),
  gzlvl3 = getval("gzlvl3"),
  gt3 = getval("gt3");

  getstr("imino",imino);
  getstr("amino",amino);
  getstr("f1180",f1180);


/* LOAD PHASE TABLE */
 
	settable(t1,1,phi1);
	settable(t2,2,phi2);
	settable(t3,1,phi3);
	settable(t9,8,phi9);
	settable(t10,1,phi10);
        settable(t11,1,phi11);
        settable(t12,1,phi12);
        settable(t13,1,phi13);
	settable(t14,4,rec);

/* INITIALIZE VARIABLES */

/* IMINO-region setting of dof2 */
        if (imino[A] == 'y')
                dof2a = dof2 - 45*dfrq2;

/* AMINO-region setting of dof2 */
        else if (amino[A] == 'y')
                dof2a = dof2 - 115*dfrq2;

        else
                dof2a = dof;

/* selective H20 one-lobe sinc pulse */
        tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69));   /* needs 1.69 times more */
        tpwrs = (int) (tpwrs);                   /* power than a square pulse */

/* selective H20 square pulse */
        tpwrs2 = tpwr - 20.0*log10(pwHs2/(compH*pw));
        tpwrs2 = (int) (tpwrs2);

/* number of cycles and mixing time */
        ncyc = (int) (ncyc + 0.5);


/* PHASES AND INCREMENTED TIMES */

/*  Phase incrementation for hypercomplex 2D data, States-Haberkorn element */

    if (phase1 == 1)
         { tsadd(t10,2,4); icosel = 1; }
    else icosel = -1;

/* Calculate modifications to phases for States-TPPI acquisition          */

   if( ix == 1) d2_init = d2;
   t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
   if(t1_counter % 2)
        { tsadd(t2,2,4); tsadd(t14,2,4); }

/*  Set up f1180  */

    tau1 = d2;
    if((f1180[A] == 'y') && (ni > 1.0))
        { tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
    tau1 = tau1/2.0;


/* CHECK VALIDITY OF PARAMETER RANGE */


  if ( ((imino[A]=='y') && (amino[A]=='y')) )
   {
        printf(" Choose  ONE  of  imino='y'  OR  amino='y' ");
        psg_abort(1);
   }

    if((dm[A] == 'y' || dm[B] == 'y'))
    {
        printf("incorrect dec1 decoupler flag! Should be 'nny' or 'nnn' ");
        psg_abort(1);
    }

    if((dm2[A] == 'y' || dm2[B] == 'y'))
    {
        printf("incorrect dec2 decoupler flags! Should be 'nnn' or 'nny' ");
        psg_abort(1);
    }

    if( ((dm[C] == 'y') && (dm2[C] == 'y') && (at > 0.18)) )
    {
        text_error("check at time! Don't fry probe !! ");
        psg_abort(1);
    }

    if( dpwr > 50 )
    {
        printf("don't fry the probe, DPWR too large!  ");
        psg_abort(1);
    }

   if( dpwr2 > 50 )
    {
        printf("don't fry the probe, DPWR2 too large!  ");
        psg_abort(1);
    }

    if( pw > 20.0e-6 )
    {
        printf("dont fry the probe, pw too high ! ");
        psg_abort(1);
    }

    if( pwC > 40.0e-6 )
    {
        printf("dont fry the probe, pwC too high ! ");
        psg_abort(1);
    }

    if( pwN > 100.0e-6 )
    {
        printf("dont fry the probe, pwN too high ! ");
        psg_abort(1);
    }

    if (ncyc > 24)
    {
        printf("CPMG heating! Reduce no. of ncyc!! ");
    }



/* BEGIN ACTUAL PULSE SEQUENCE */

status(A);

        rcvroff();

        obspower(tpwr);
        decpower(pwClvl);
        dec2power(pwNlvl);

        obsoffset(tof);         /* Set the proton frequency to H2O */
	dec2offset(dof2a);      /* Set the nitrogen frequency to Nh2 or Nh */
        decoffset(dof);		/* Set the carbon frequency for decoupling */

        txphase(zero);
        decphase(zero);
        dec2phase(zero);

        delay(d1);

        dec2rgpulse(pwN, zero, 0.0, 0.0);  /*destroy N15 magnetization*/
        zgradpulse(gzlvl0, 0.5e-3);
        delay(grecov/2);
        dec2rgpulse(pwN, one, 0.0, 0.0);
        zgradpulse(0.7*gzlvl0, 0.5e-3);

	initval(ncyc,v1);
	lambdaN_int = ((2.0*lambdaN)/(2*ncyc));

        dec2phase(zero);
        delay(5.0e-4);
        rcvroff();

	rgpulse(pw, zero, 50.0e-6, 0.0);

	assign(zero,v5);

  if ( ncyc > 0 )
   {
        loop(v1,v14);

        assign(v5,v6);   /* v6 = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9*/
        hlv(v5,v7);      /* v7 = 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, */
        hlv(v7,v8);      /* v7 = 0, 0, 0, 0, 1, 1, 1, 1, 2, 2 */
        mod2(v6,v6);     /* v6 = 0, 1, 0, 1, 0, 1, 0, 1, 0, 1 */
        mod2(v8,v8);     /* v7 = 0, 0, 0, 0, 1, 1, 1, 1, 0, 0 */
        add(v6,v8,v9);   /* v9 = 0, 1, 0, 1, 1, 2, 1, 2, 0, 1 */
        mod2(v9,v9);     /* v9 = 0, 1, 0, 1, 1, 0, 1, 0, 0, 1*/
        hlv(v8,v10);     /* v7 = 0, 0, 0, 0, 0, 0, 0, 0,
                                 1, 1, 1, 1, 1, 1, 1, 1, 2, 2 */
        mod2(v10,v10);   /* v10 = 0, 0, 0, 0, 0, 0, 0, 0,
                                  1, 1, 1, 1, 1, 1, 1, 1)*/
        dbl(v10,v10);    /* v10 = 0, 0, 0, 0, 0, 0, 0, 0,
                                  2, 2, 2, 2, 2, 2, 2, 2)*/
        add(v9,v10,v11); /* v11 = 0, 1, 0, 1, 1, 0, 1, 0,
                                  2, 3, 2, 3, 3, 2, 3, 2)*/
        incr(v5);        /* increment v5 by 1 */
        txphase(v11);
        decphase(v11);
        delay(lambdaN_int);
        sim3pulse(2*pw,0.0,2.0*pwN,v11,zero,v11,0.0,0.0);
        delay(lambdaN_int);

        endloop(v14);
	txphase(t1);
   }

	rgpulse(pw,t1,0.0, 0.0);
        txphase(one);
	dec2phase(t2);

        obspower(tpwrs);
        shaped_pulse("rna_H2Osinc", pwHs, one, 5.0e-4, 0.0);
	txphase(t11);
        obspower(tpwr);

	zgradpulse(gzlvl3,gt3);
	delay(grecov);

	dec2rgpulse(pwN,t2,0.0,0.0);
	dec2phase(t9);

	delay(tau1);
	rgpulse(2.0*pw, t11, 0.0, 0.0);
	delay(tau1);

        delay(gt1 + grecov - 2.0*pw - SAPS_DELAY);

        dec2rgpulse(2.0*pwN, t9, 0.0, 0.0);
        dec2phase(t10);

        zgradpulse(gzlvl1, gt1);                 /* 2.0*GRADIENT_DELAY */
        delay(grecov - 2.0*GRADIENT_DELAY);


	sim3pulse(pw,0.0,pwN,zero,zero,t10,0.0,0.0);

        assign(zero,v5);

  if ( ncyc > 0 )
   {
        loop(v1,v14);

        assign(v5,v6);   /* v6 = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9*/
        hlv(v5,v7);      /* v7 = 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, */
        hlv(v7,v8);      /* v7 = 0, 0, 0, 0, 1, 1, 1, 1, 2, 2 */
        mod2(v6,v6);     /* v6 = 0, 1, 0, 1, 0, 1, 0, 1, 0, 1 */
        mod2(v8,v8);     /* v7 = 0, 0, 0, 0, 1, 1, 1, 1, 0, 0 */
        add(v6,v8,v9);   /* v9 = 0, 1, 0, 1, 1, 2, 1, 2, 0, 1 */
        mod2(v9,v9);     /* v9 = 0, 1, 0, 1, 1, 0, 1, 0, 0, 1*/
        hlv(v8,v10);     /* v7 = 0, 0, 0, 0, 0, 0, 0, 0,
                                 1, 1, 1, 1, 1, 1, 1, 1, 2, 2 */
        mod2(v10,v10);   /* v10 = 0, 0, 0, 0, 0, 0, 0, 0,
                                  1, 1, 1, 1, 1, 1, 1, 1)*/
        dbl(v10,v10);    /* v10 = 0, 0, 0, 0, 0, 0, 0, 0,
                                  2, 2, 2, 2, 2, 2, 2, 2)*/
        add(v9,v10,v11); /* v11 = 0, 1, 0, 1, 1, 0, 1, 0,
                                  2, 3, 2, 3, 3, 2, 3, 2)*/
        incr(v5);        /* increment v5 by 1 */
        txphase(v11);
        decphase(v11);
        delay(lambdaN_int);
        sim3pulse(2*pw,0.0,2.0*pwN,v11,zero,v11,0.0,0.0);
        delay(lambdaN_int);

        endloop(v14);
   }

	txphase(t12);
	dec2phase(t3);

	sim3pulse(pw, 0.0, pwN, t12, zero, t3, 0.0, 0.0);

	txphase(zero);
        dec2phase(zero);

  if ( ncyc > 0 )
   {
        loop(v1,v14);

        assign(v5,v6);   /* v6 = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9*/
        hlv(v5,v7);      /* v7 = 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, */
        hlv(v7,v8);      /* v7 = 0, 0, 0, 0, 1, 1, 1, 1, 2, 2 */
        mod2(v6,v6);     /* v6 = 0, 1, 0, 1, 0, 1, 0, 1, 0, 1 */
        mod2(v8,v8);     /* v7 = 0, 0, 0, 0, 1, 1, 1, 1, 0, 0 */
        add(v6,v8,v9);   /* v9 = 0, 1, 0, 1, 1, 2, 1, 2, 0, 1 */
        mod2(v9,v9);     /* v9 = 0, 1, 0, 1, 1, 0, 1, 0, 0, 1*/
        hlv(v8,v10);     /* v7 = 0, 0, 0, 0, 0, 0, 0, 0,
                                 1, 1, 1, 1, 1, 1, 1, 1, 2, 2 */
        mod2(v10,v10);   /* v10 = 0, 0, 0, 0, 0, 0, 0, 0,
                                  1, 1, 1, 1, 1, 1, 1, 1)*/
        dbl(v10,v10);    /* v10 = 0, 0, 0, 0, 0, 0, 0, 0,
                                  2, 2, 2, 2, 2, 2, 2, 2)*/
        add(v9,v10,v11); /* v11 = 0, 1, 0, 1, 1, 0, 1, 0,
                                  2, 3, 2, 3, 3, 2, 3, 2)*/
        incr(v5);        /* increment v5 by 1 */
        txphase(v11);
        decphase(v11);
        delay(lambdaN_int);
        sim3pulse(2*pw,0.0,2.0*pwN,v11,zero,v11,0.0,0.0);
        delay(lambdaN_int);

        endloop(v14);
   }

        rgpulse(pw, zero, 0.0, 0.0);
	txphase(t13);

        delay((gt1/10.0) + grecov/2 - 0.5*pw + 2.0*GRADIENT_DELAY - SAPS_DELAY + 2*POWER_DELAY);

        rgpulse(2.0*pw, t13, 0.0, 0.0);

        decpower(dpwr);
        dec2power(dpwr2);                                      /* POWER_DELAY */
        zgradpulse(icosel*gzlvl2, gt1/10.0);                   /* 2.0*GRADIENT_DELAY */
        delay(grecov/2);


status(C);
        setreceiver(t14);
}
Ejemplo n.º 15
0
void pulsesequence()
{
/* DECLARE VARIABLES */

char satflg[MAXSTR];

int          t1_counter;

double    
   tau1, tau2, tau3,
   pw  = getval("pw"), 
   tpwr= getval("tpwr"),
   mix = getval("mix"),
   sw1 = getval("sw1"),
   jch = getval("jch"), 
   pwC = getval("pwC"),
   pwClvl = getval("pwClvl"),
   pwNlvl = getval("pwNlvl"),
   tauCH, 
   sw_hm1 = getval("sw_hm1"),
   sw_cm1 = getval("sw_cm1"),
   sw_cm2 = getval("sw_cm2"),
   pwHs = getval("pwHs"),
   swTilt, 
   angle_hm1 = getval("angle_hm1"),
   angle_cm1 = getval("angle_cm1"),
   angle_cm2 = getval("angle_cm2"),
   cos_hm1, cos_cm1, cos_cm2,
   satdly= getval("satdly"),
   gstab = getval("gstab"),
   gt0 = getval("gt0"),    gzlvl0 = getval("gzlvl0"),
   gt1 = getval("gt1"),    gzlvl1 = getval("gzlvl1"),
   gt2 = getval("gt2"),    gzlvl2 = getval("gzlvl2"),
   gt3 = getval("gt3"),    gzlvl3 = getval("gzlvl3"),
   gt4 = getval("gt4"),    gzlvl4 = getval("gzlvl4"),
   gt5 = getval("gt5"),    gzlvl5 = getval("gzlvl5"),
   gt6 = getval("gt6"),    gzlvl6 = getval("gzlvl6"),
   gt7 = getval("gt7"),    gzlvl7 = getval("gzlvl7"),
   gt8 = getval("gt8"),    gzlvl8 = getval("gzlvl8"),
   gt9 = getval("gt9"),    gzlvl9 = getval("gzlvl9"),
   gt10 = getval("gt10"),  gzlvl10 = getval("gzlvl10");

   cos_cm2=0.0; 
   getstr("satflg", satflg);

/* LOAD PHASE TABLE */

   tauCH = 1.0/4.0/jch;

   settable(t1,1,phi1);    settable(t2,2,phi2);
   settable(t3,4,phi3);    settable(t4,8,phi4);
   settable(t5,8,rec);

/* CHECK VALIDITY OF PARAMETER RANGES */

   if (dpwr  > 49)  {printf("DPWR too large!" ); psg_abort(1); }
   if (dpwr2 > 49)  {printf("DPWR2 too large!"); psg_abort(1); }

/* Phases and delays related to PR-NMR */
   /* sw1 is used as symbolic index */
   if ( sw1 < 1000 ) { printf ("Please set sw1 to some value larger than 1000.\n"); psg_abort(1); }

   if (angle_hm1 < 0 || angle_cm1 < 0 || angle_hm1 > 90 || angle_cm1 > 90 )
   { printf("angles must be set between 0 and 90 degree.\n"); psg_abort(1); }

   cos_hm1 = cos (PI*angle_hm1/180);  cos_cm1 = cos (PI*angle_cm1/180);
   if ( (cos_hm1*cos_hm1 + cos_cm1*cos_cm1) > 1.0) { printf ("Impossible angle combinations.\n"); psg_abort(1); }
   else { cos_cm2 = sqrt(1 - (cos_hm1*cos_hm1 + cos_cm1*cos_cm1) );  angle_cm2 = acos(cos_cm2)*180/PI;  }

   if (ix == 1) d2_init = d2;
   t1_counter = (int)((d2-d2_init)*sw1 + 0.5);

   swTilt = sw_hm1*cos_hm1 + sw_cm1*cos_cm1 + sw_cm2*cos_cm2; 

   /* Note the reconstruction software assumes the indirectly determined dimension, here cm2 */
   /* always have the phase change first */



   if (phase1 == 1) {; }                                                             /* CC */
   else if (phase1 == 2) { tsadd (t1, 1, 4); }                                       /* SC */
   else if (phase1 == 3) { tsadd (t2, 1, 4); }                                       /* CS */
   else if (phase1 == 4) { tsadd (t1, 1, 4);  tsadd(t2, 1, 4); }                     /* SS */

   if (phase2 ==1) {;} else { tsadd (t3, 1, 4); }


   if (t1_counter %2) { tsadd(t3, 2, 4); tsadd(t5, 2, 4); }

   tau1 = 1.0*t1_counter*cos_hm1/swTilt;
   tau2 = 1.0*t1_counter*cos_cm1/swTilt;
   tau3 = 1.0*t1_counter*cos_cm2/swTilt;

   tau1 = tau1/2.0;  tau2 = tau2/2.0;  tau3 = tau3/2.0;

   if (ix ==1 )
   {
      printf ("Current Spectral Width:\t\t%5.2f\n", swTilt);
      printf ("Angle_hm1: %5.2f \n", angle_hm1);
      printf ("Angle_cm1: %5.2f \n", angle_cm1);
      printf ("Angle_cm2: %5.2f \n", angle_cm2);
      printf ("\n\n\n\n\n");
   }

/* BEGIN ACTUAL PULSE SEQUENCE */

status(A);
   delay(d1);
   rcvroff(); 

   obsoffset(satfrq);   obspower(tpwr);       obspwrf(4095.0);   txphase(zero);
   decoffset(dof);      decpower(pwClvl);     decpwrf(4095.0);   decphase(zero);
   dec2offset(dof2);    dec2power(pwNlvl);    dec2pwrf(4095.0);  dec2phase(zero);

   /* Crush water and steady state carbon magnetization */

   if (satflg[A] == 'y')
   {
      obspower(satpwr);
      rgpulse(satdly, zero, 20.0e-6, 2.0e-6);
      obspower(tpwr);      
   }

   decrgpulse(pwC, zero, 2.0e-6, 2.0e-6);  /*destroy C13 magnetization*/
   zgradpulse(gzlvl0, gt0);
   delay(gstab);


   if (satflg[A] == 'y')
   {
      shiftedpulse("sinc", pwHs, 90.0, 0.0, zero, 2.0e-6, 2.0e-6);
   }
   decrgpulse(pwC, one, 2.0e-6, 2.0e-6);
   zgradpulse(0.7*gzlvl0, gt0);
   txphase(t1);         
   delay(gstab);

   obsoffset(tof);     obspower(tpwr);
 
status(B);

   rgpulse(pw, t1, 2.0e-6, 2.0e-6);                       /* 1H pulse excitation */

      if (tau1 > pwC)
      {
         delay(tau1 - pwC);
         decrgpulse(2.0*pwC, zero, 0.0, 0.0);
         delay(tau1 - pwC);
      }
      else
      {
         delay(2.0*tau1);
      }
                                                                /* point a */
      zgradpulse(gzlvl1, gt1);                       /* 2.0*GRADIENT_DELAY */
      txphase(zero); decphase(zero);
      delay(tauCH - gt1 - 4.0e-6);

   simpulse(2.0*pw, 2.0*pwC, zero, zero, 2.0e-6, 2.0e-6);

      delay(tauCH -gt1 -gstab -4.0e-6);
      zgradpulse(gzlvl1, gt1);                        /* 2.0*GRADIENT_DELAY */
      txphase(one);
      delay(gstab);
                                                                /* point b */
   rgpulse(pw, one, 2.0e-6, 2.0e-6);

   /* ======================HzCz=================== */
      zgradpulse(gzlvl2, gt2);
      txphase(zero);    decphase(t2);
      delay(gstab);
   /* ======================HzCz=================== */

   decrgpulse(pwC, t2, 2.0e-6, 0.0);

      if ((tau2 - 2.0*pwC/PI -pw) > 0 )
      {
         delay(tau2 - 2.0*pwC/PI - pw);
         rgpulse (2.0*pw, zero, 0.0, 0.0);
         decphase(zero);
         delay(tau2 - 2.0*pwC/PI - pw);
      }
      else
      {
         delay(2.0*tau2);
         decphase(one);    delay(2.0e-6);
         simpulse(2.0*pw, 2.0*pwC, zero, one, 0.0, 0.0);
         decphase(zero);   delay(2.0e-6);
      }

   decrgpulse(pwC, zero, 0.0, 2.0e-6);

   /* ======================HzCz=================== */
      zgradpulse(gzlvl3, gt3);
      txphase(zero);
      delay(gstab);
   /* ======================HzCz=================== */

   rgpulse(pw, zero, 2.0e-6, 2.0e-6);

      zgradpulse(gzlvl4, gt4);
      delay(tauCH - gt4 - 4.0e-6);
      
   simpulse(2.0*pw, 2.0*pwC, zero, zero, 2.0e-6, 2.0e-6);
      
      delay(tauCH - gt4 - gstab -4.0e-6);
      zgradpulse(gzlvl4, gt4);
      txphase(one);
      delay(gstab);

   rgpulse(pw, one, 2.0e-6, 2.0e-6);

   /* H only, beginning of NOE transfer period */
  
      obsoffset(satfrq);

      decphase(zero);
      delay(mix - gt5 - gt6 - pwC -1.0e-3 -2.0*pwHs ); 

      txphase(zero);
      shiftedpulse("sinc", pwHs, 90.0, 0.0, zero, 2.0e-6, 2.0e-6);

      zgradpulse(gzlvl5, gt5);
      delay(gstab);

      txphase(one);
      decrgpulse(pwC,zero,2.0e-6, 2.0e-6); 
      shiftedpulse("sinc", pwHs, 90.0, 0.0, one, 2.0e-6, 2.0e-6);
 
      zgradpulse(gzlvl6, gt6);
      txphase(zero);
      delay(gstab);

   /* End of NOE transfer period */
  
   /* Second HSQC step begins here */

   rgpulse(pw,zero,2.0e-6,2.0e-6);
      
      zgradpulse(gzlvl7, gt7);      
      delay(tauCH - gt7 - 4.0e-6 );

   simpulse(2.0*pw, 2.0*pwC, zero, zero, 2.0e-6, 2.0e-6);

      delay(tauCH - gt7 - gstab -4.0e-6 );
      zgradpulse(gzlvl7, gt7);      
      txphase(one);
      delay(gstab);

   rgpulse(pw, one, 2.0e-6, 2.0e-6);

   /* ------------HzCz----------------- */
      zgradpulse(gzlvl8, gt8);
      txphase(zero);  decphase(t3);
      delay(gstab);
   /* ------------HzCz----------------- */

   decrgpulse(pwC, t3, 2.0e-6,0.0);   
      if ( tau3 -2.0*pwC/PI - pw > 0.0 ) 
      {
         delay(tau3 - 2.0*pwC/PI - pw);
         rgpulse(2.0*pw, zero, 0.0, 0.0);
         decphase(zero);
         delay(tau3 - 2.0*pwC/PI - pw);
      }
      else
      {
         delay(2.0*tau3);
         decphase(one);    delay(2.0e-6);
         simpulse(2*pw, 2*pwC, zero, one, 0.0, 0.0);  
         decphase(zero);   delay(2.0e-6);
      }
   decrgpulse(pwC, zero, 0.0, 2.0e-6);

   /* ----  HzCz ------------*/
       zgradpulse(gzlvl9, gt9);
       txphase(t4);
       delay(gstab);
   /* ----  HzCz ------------*/

   rgpulse(pw, t4, 2.0e-6, 2.0e-6);
     
      zgradpulse(gzlvl10, gt10);
      delay(tauCH - gt10 - 4.0e-6 );

   simpulse(2.0*pw, 2.0*pwC, t4, zero, 2.0e-6, 2.0e-6);

      delay(tauCH - gt10 - gstab -4.0e-6 );
      zgradpulse(gzlvl10, gt10);
      delay(gstab);

   rgpulse(pw, t4, 2.0e-6, rof2);                        /* flip-back pulse  */

   setreceiver(t5);
   decpower(dpwr);

status(D);
}
Ejemplo n.º 16
0
pulsesequence()
{
/* DECLARE VARIABLES */

 char       fsat[MAXSTR],
            fscuba[MAXSTR],
            f1180[MAXSTR],    /* Flag to start t1 @ halfdwell             */
            codecseq[MAXSTR],
            ddseq[MAXSTR], 
            shca180[MAXSTR],
            shca90[MAXSTR];

 int         phase,  ni, 
             t1_counter,   /* used for states tppi in t1           */ 
             tau2;

 double      tau1,         /*  t1 delay */
             taua,         /*  ~ 1/4JCH =  1.7 ms */
             taub,         /* ~ 1/2JCH for AX spin systems */
             taud,         /* ~ 1/4JCD 12.5 ms for AX spin system */
             TC,           /* carbon constant time period 1/2JCC */
             pwc,          /* 90 c pulse at dhpwr            */
             tsatpwr,      /* low level 1H trans.power for presat  */
             dhpwr,        /* power level for high power 13C pulses on dec1 */
             sw1,          /* sweep width in f1                    */ 
             time_T2,      /*  total relaxation time for T2 measurement */
             pwcodec,      /* pw90 for C' decoupling */
             dressed,      /* = 2 for seduce-1 decoupling */
             dpwrsed,
             pwd,          /* pulse width for D decoupling at dpwr3_D  */
             dresD,
             dpwr3_D,
             lk_wait,      /* delay for lk receiver recovery  */

             pwd1,         /* pulse width for D +/- pulses at dpwr3  */

             d_ca180,
             pwca180,

             pwca90,       /* ca selective pulse at 57.5 ppm */
             d_ca90,       /* power level for pwca90   */

             dpwr3_sl,     /* D power level for spin locking */
             pwd_sl,       /* pw for D at dpwr3_sl    */

             gt1,
             gt2,
             gt3,
             gt4,
             gt5,
             gt6,
             gt7,
             gt8,
             gstab=getval("gstab"),

             gzlvl1,
             gzlvl2,
             gzlvl3,
             gzlvl4,
             gzlvl5,
             gzlvl6,
             gzlvl7,
             gzlvl8;

/*  variables commented out are already defined by the system      */


/* LOAD VARIABLES */

  getstr("fsat",fsat);
  getstr("f1180",f1180);
  getstr("fscuba",fscuba);
  getstr("codecseq",codecseq);
  getstr("ddseq",ddseq);
  getstr("shca180",shca180);
  getstr("shca90",shca90);

  taua   = getval("taua"); 
  taub   = getval("taub"); 
  taud   = getval("taud"); 
  TC = getval("TC");
  pwc = getval("pwc");
  tpwr = getval("tpwr");
  tsatpwr = getval("tsatpwr");
  dhpwr = getval("dhpwr");
  dpwr = getval("dpwr");
  phase = (int) ( getval("phase") + 0.5);
  sw1 = getval("sw1");
  ni = getval("ni");
  pwcodec = getval("pwcodec");
  dressed = getval("dressed");
  dpwrsed = getval("dpwrsed");
  pwd = getval("pwd");
  dresD = getval("dresD");
  dpwr3_D = getval("dpwr3_D");
  lk_wait = getval("lk_wait");

  pwd1 = getval("pwd1");

  d_ca180 = getval("d_ca180");
  pwca180 = getval("pwca180");

  pwca90 = getval("pwca90");
  d_ca90 = getval("d_ca90");

  dpwr3_sl = getval("dpwr3_sl"); 
  pwd_sl = getval("pwd_sl");

  gt1 = getval("gt1");
  gt2 = getval("gt2");
  gt3 = getval("gt3");
  gt4 = getval("gt4");
  gt5 = getval("gt5");
  gt6 = getval("gt6");
  gt7 = getval("gt7");
  gt8 = getval("gt8");

  gzlvl1 = getval("gzlvl1");
  gzlvl2 = getval("gzlvl2");
  gzlvl3 = getval("gzlvl3");
  gzlvl4 = getval("gzlvl4");
  gzlvl5 = getval("gzlvl5");
  gzlvl6 = getval("gzlvl6");
  gzlvl7 = getval("gzlvl7");
  gzlvl8 = getval("gzlvl8");

/* LOAD PHASE TABLE */

  settable(t1,16,phi1);
  settable(t2,2,phi2);
  settable(t3,16,phi3);
  settable(t4,4,phi4);
  settable(t6,4,phi6);
  settable(t7,8,phi7);
  settable(t5,16,rec_d);

/* CHECK VALIDITY OF PARAMETER RANGES */

    if( TC - 0.50*(ni-1)*1/(sw1) - WFG_STOP_DELAY 
             - gt6 - 102e-6 - POWER_DELAY 
             - PRG_START_DELAY - POWER_DELAY
             - 4.0e-6 - pwd1 - POWER_DELAY
             - PRG_START_DELAY - PRG_STOP_DELAY
             - 2.0e-6 - POWER_DELAY - 2.0e-6
             < 0.2e-6 ) 
    {
        printf(" ni is too big\n");
        psg_abort(1);
    }


    if((dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' ))
    {
        printf("incorrect dec1 decoupler flags!  ");
        psg_abort(1);
    }

    if((dm2[A] == 'y' || dm2[B] == 'y' || dm2[C] == 'y' || dm2[D] == 'y'))
    {
        printf("incorrect dec2 decoupler flags!  ");
        psg_abort(1);
    }

    if( tsatpwr > 6 )
    {
        printf("TSATPWR too large !!!  ");
        psg_abort(1);
    }

    if( dpwr > 48 )
    {
        printf("don't fry the probe, DPWR too large!  ");
        psg_abort(1);
    }

    if( dpwr2 > 49 )
    {
        printf("don't fry the probe, DPWR2 too large!  ");
        psg_abort(1);
    }

    if( dhpwr > 63 )
    {
        printf("don't fry the probe, DHPWR too large!  ");
        psg_abort(1);
    }

    if( pw > 200.0e-6 )
    {
        printf("dont fry the probe, pw too high ! ");
        psg_abort(1);
    } 

    if(gt1 > 15e-3 || gt2 > 15e-3 || gt3 > 15e-3 || 
        gt4 > 15e-3 || gt5 > 15e-3 || gt6 > 15e-3 || gt7 > 15e-3
        || gt8 > 15e-3)
    {
        printf("gradients on for too long. Must be < 15e-3 \n");
        psg_abort(1);
    }

   if(dpwr3_D > 54)
   {
       printf("D decoupling power is too high\n");
       psg_abort(1);
   }

   if(lk_wait > .015 )
   {
       printf("lk_wait delay may be too long\n");
       psg_abort(1);
   }
/* change back to 48 */
   if(dpwr3_sl > 53) {
       printf("dpwr3_sl is too large; must be less than 53\n");
       psg_abort(1);
   }
/* change back to 250 */
   if(pwd_sl < 170.0e-6) {
       printf("pwd_sl is too large; Must be larger than 170 us\n");
       psg_abort(1);
   }


/* Calculation of IzCzDz relaxation delay */

   tau2 = (int) (d3+0.1);
   time_T2 = z_array[tau2];

   if(time_T2 > 0.030) {
       printf("time_T2 is too long; Must be less than 30 ms\n");
       psg_abort(1);
   }

/*  Phase incrementation for hypercomplex 2D data */

    if (phase == 2) {
      tsadd(t7,1,4);  
    }

/*  Set up f1180  tau1 = t1               */
   
    tau1 = d2;
    if(f1180[A] == 'y') {
        tau1 += ( 1.0 / (2.0*sw1) );
        if(tau1 < 0.4e-6) tau1 = 0.4e-6;
    }
        tau1 = tau1/2.0;


/* Calculate modifications to phases for States-TPPI acquisition          */

   if( ix == 1) d2_init = d2 ;
   t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
   if(t1_counter % 2) {
      tsadd(t7,2,4);     
      tsadd(t5,2,4);    
    }


/* BEGIN ACTUAL PULSE SEQUENCE */

status(A);
   decoffset(dof);
   obspower(tsatpwr);     /* Set transmitter power for 1H presaturation */
   decpower(dhpwr);       /* Set Dec1 power for hard 13C pulses         */
   dec2power(dpwr2);      /* Set Dec2 power for 15N decoupling       */

/* Presaturation Period */

status(B);


   if (fsat[0] == 'y')
   {
        rgpulse(d1,zero,2.0e-6,2.0e-6); /* presat */
        obspower(tpwr);    /* Set transmitter power for hard 1H pulses */
        delay(2.0e-5);
        if(fscuba[0] == 'y')
        {
                delay(2.2e-2);
                rgpulse(pw,zero,2.0e-6,0.0);
                rgpulse(2*pw,one,2.0e-6,0.0);
                rgpulse(pw,zero,2.0e-6,0.0);
                delay(2.2e-2);
        }
   }
   else
   {
    delay(d1);
   }

   obspower(tpwr);          /* Set transmitter power for hard 1H pulses */
   txphase(zero);
   dec2phase(zero);
   decphase(zero);
   delay(1.0e-5);

/* Begin Pulses */

status(C);

/* Prepare for signs of gradients 0 1 0 1 0 1   */

   mod2(ct,v1);

   rcvroff();
   lk_hold();
   delay(20.0e-6);

/* first ensure that magnetization does infact start on H and not C */

   decrgpulse(pwc,zero,2.0e-6,2.0e-6);

   delay(2.0e-6);
   zgradpulse(gzlvl1,gt1);
   delay(gstab);


/* this is the real start */

   rgpulse(pw,zero,0.0,0.0);                    /* 90 deg 1H pulse */

   delay(2.0e-6);
   zgradpulse(gzlvl2,gt2);
   delay(2.0e-6);

   delay(taua - gt2 - 4.0e-6);                 /* taua <= 1/4JCH */                          

   simpulse(2*pw,2*pwc,zero,zero,0.0,0.0);

   txphase(one); decphase(t1);

   delay(2.0e-6);
   zgradpulse(gzlvl2,gt2);
   delay(2.0e-6);

   delay(taua - gt2 - 4.0e-6); 

   rgpulse(pw,one,0.0,0.0);
   txphase(zero);

   delay(2.0e-6);
   zgradpulse(gzlvl3,gt3);
   delay(gstab);

   /* 2D decoupling on */
   dec3phase(one);
   dec3power(dpwr3);
   dec3rgpulse(pwd1,one,4.0e-6,0.0);
   dec3phase(zero);
   dec3unblank();
   dec3power(dpwr3_D);                    /* keep power down */
   dec3prgon(ddseq,pwd,dresD);
   dec3on();
   /* 2D decoupling on */

   decrgpulse(pwc,t1,2.0e-6,0.0); 

   decphase(zero);

   delay(taub - 2.0*pw - 2.0e-6);

   rgpulse(pw,zero,0.0,0.0);
   rgpulse(pw,t2,2.0e-6,0.0);

   delay(TC - taub 
           - gt4 - 102e-6
           - PRG_STOP_DELAY - POWER_DELAY - pwd1
           - 4.0e-6 - POWER_DELAY - 4.0e-6 - WFG_START_DELAY);

   /* 2D decoupling off */
   dec3off();
   dec3prgoff();
   dec3blank();
   dec3phase(three);
   dec3power(dpwr3);
   dec3rgpulse(pwd1,three,4.0e-6,0.0);
   /* 2D decoupling off */

   ifzero(v1);

   delay(2.0e-6);
   zgradpulse(gzlvl4,gt4);
   delay(gstab);

   elsenz(v1);

   delay(2.0e-6);
   zgradpulse(-1.0*gzlvl4,gt4);
   delay(gstab);

  endif(v1);

   initval(1.0,v3);
   decstepsize(353.0);
   dcplrphase(v3); 

   decpower(d_ca180);
   decshaped_pulse(shca180,pwca180,zero,4.0e-6,0.0);
   dcplrphase(zero); 

   ifzero(v1);

   delay(2.0e-6);
   zgradpulse(gzlvl4,gt4);
   delay(gstab);

   elsenz(v1);

   delay(2.0e-6);
   zgradpulse(-1.0*gzlvl4,gt4);
   delay(gstab);

  endif(v1);

   /* 2D decoupling on */  
   dec3phase(one);
   dec3power(dpwr3);
   dec3rgpulse(pwd1,one,4.0e-6,0.0);
   dec3phase(zero);
   dec3unblank();
   dec3power(dpwr3_D);   /* keep power down */ 
   dec3prgon(ddseq,pwd,dresD);
   dec3on();
   /* 2D decoupling on */

    delay(TC - taud - WFG_STOP_DELAY - gt4 - 102e-6
            - POWER_DELAY - 4.0e-6 - pwd1 - POWER_DELAY 
            - PRG_START_DELAY); 

   /* 2D decoupling off */
   dec3off();
   dec3prgoff();
   dec3blank();
   decphase(three);
   dec3power(dpwr3);
   dec3rgpulse(pwd1,three,4.0e-6,0.0);
   /* 2D decoupling off */

   delay(taud - PRG_STOP_DELAY -POWER_DELAY - pwd1 - 4.0e-6 
         - POWER_DELAY
         - WFG_START_DELAY - pwca90 - 4.0e-6
         - WFG_STOP_DELAY - POWER_DELAY - 4.0e-6);

   decpower(d_ca90);
   decshaped_pulse(shca90,pwca90,t3,4.0e-6,0.0);
   decpower(dhpwr);

   decrgpulse(pwc,one,4.0e-6,0.0);

   /* T2 period */

   dec3power(dpwr3);   

      dec3rgpulse(pwd1,t4,2.0e-6,0.0);

      dec3phase(one);
      dec3power(dpwr3_sl);
      dec3rgpulse(time_T2,one,2.0e-6,2.0e-7);
      dec3phase(zero);

      dec3power(dpwr3);
      dec3rgpulse(pwd1,zero,2.0e-6,0.0);

       
      ifzero(v1);

      delay(2.0e-6);
      zgradpulse(gzlvl5,gt5);
      delay(gstab);

      elsenz(v1);

      delay(2.0e-6);
      zgradpulse(-1.0*gzlvl5,gt5);
      delay(gstab);

      endif(v1);

   decphase(zero);

   decrgpulse(pwc,t7,4.0e-6,0.0);

   /* C' decoupling on */
   decpower(dpwrsed);
   decprgon(codecseq,pwcodec,dressed);
   decon();
   /* C' decoupling on */

  if(taud + 3.0*POWER_DELAY + 2.0*PRG_START_DELAY + pwd1 + 4.0e-6 >= tau1) {
        
        delay(tau1);
        rgpulse(2.0*pw,zero,0.0,0.0);
        delay(taud + 3.0*POWER_DELAY + 2.0*PRG_START_DELAY + pwd1 + 4.0e-6
              - tau1);

        /* 2D decoupling on */  
        dec3phase(t6);
        dec3power(dpwr3);
        dec3rgpulse(pwd1,t6,4.0e-6,0.0);
        dec3phase(zero);
        dec3unblank();
        dec3power(dpwr3_D);   /* keep power down */ 
        dec3prgon(ddseq,pwd,dresD);
        dec3on();
        /* 2D decoupling on */

        delay(TC - taud + tau1 - POWER_DELAY 
              - PRG_START_DELAY - 2.0*pw
              - POWER_DELAY - pwd1 - 4.0e-6 - POWER_DELAY - PRG_START_DELAY
              - 3.0*POWER_DELAY - 2.0*PRG_START_DELAY - pwd1 - 4.0e-6 
              - PRG_STOP_DELAY - POWER_DELAY - pwd1 - 4.0e-6 
              - PRG_STOP_DELAY
              - POWER_DELAY - gt6 - 102e-6
              - WFG_START_DELAY);

        /* 2D decoupling off */  
        dec3off();
        dec3prgoff();
        dec3blank();
        dec3power(dpwr3);
        dec3rgpulse(pwd1,three,4.0e-6,0.0);
        /*  2D decoupler off */

        /* C' decoupling off */
        decoff();
        decprgoff();
        decpower(d_ca180);  /* set power for reburp  */
        /* C' decoupling off */

     }

     else {

        delay(taud);

        /* 2D decoupling on */  
        dec3phase(t6);
        dec3power(dpwr3);
        dec3rgpulse(pwd1,t6,4.0e-6,0.0);
        dec3phase(zero);
        dec3unblank();
        dec3power(dpwr3_D);   /* keep power down */ 
        dec3prgon(ddseq,pwd,dresD);
        dec3on();
        /* 2D decoupling on */

        delay(tau1 - taud - POWER_DELAY - PRG_START_DELAY
              - POWER_DELAY - pwd1 - 4.0e-6 
              - POWER_DELAY - PRG_START_DELAY);

        rgpulse(2.0*pw,zero,0.0,0.0);

        delay(TC 
              - 2.0*pw - PRG_STOP_DELAY - POWER_DELAY - pwd1 - 4.0e-6 
              - POWER_DELAY
              - PRG_STOP_DELAY - gt6 - 102e-6
              - WFG_START_DELAY);

        /* 2D decoupling off */  
        dec3off();
        dec3prgoff();
        dec3blank();
        dec3phase(three);
        dec3power(dpwr3);
        dec3rgpulse(pwd1,three,4.0e-6,0.0);
        /*  2D decoupler off */

        /* C' decoupling off */
        decoff();
        decprgoff();
        decpower(d_ca180);  /* set power for reburp  */
        /* C' decoupling off */

     }

   initval(1.0,v4);
   decstepsize(353.0);
   dcplrphase(v4); 

   ifzero(v1);

   delay(2.0e-6);
   zgradpulse(gzlvl6,gt6);
   delay(gstab);

   elsenz(v1);

   delay(2.0e-6);
   zgradpulse(-1.0*gzlvl6,gt6);
   delay(gstab);

   endif(v1);

   decshaped_pulse(shca180,pwca180,zero,0.0,0.0);
   dcplrphase(zero); 

   ifzero(v1);

   delay(2.0e-6);
   zgradpulse(gzlvl6,gt6);
   delay(gstab);

   elsenz(v1);

   delay(2.0e-6);
   zgradpulse(-1.0*gzlvl6,gt6);
   delay(gstab);

   endif(v1);

   /* C' decoupling on */
   decpower(dpwrsed);
   decprgon(codecseq,pwcodec,dressed);
   decon();
   /* C' decoupling on */

   /* 2D decoupling on */  
   dec3phase(one);
   dec3power(dpwr3);
   dec3rgpulse(pwd1,one,4.0e-6,0.0);
   dec3phase(zero);
   dec3unblank();
   dec3power(dpwr3_D);   /* keep power down */ 
   dec3prgon(ddseq,pwd,dresD);
   dec3on();
   /* 2D decoupling on */

   delay(TC - tau1 - WFG_STOP_DELAY - gt6
           - 102e-6 - POWER_DELAY - PRG_START_DELAY - POWER_DELAY - pwd1
           - 4.0e-6 - POWER_DELAY - PRG_START_DELAY - PRG_STOP_DELAY
           - POWER_DELAY - 4.0e-6);

   /* C' decoupling off */
   decoff();
   decprgoff();
   decpower(dhpwr);
   /* C' decoupling off */

   decrgpulse(pwc,one,4.0e-6,0.0);

   /* 2D decoupling off */  
   dec3off();
   dec3prgoff();
   dec3blank();
   dec3phase(three);
   dec3power(dpwr3);
   dec3rgpulse(pwd1,three,4.0e-6,0.0);
   /*  2D decoupler off */

  ifzero(v1);

   delay(2.0e-6);
   zgradpulse(gzlvl7,gt7);
   delay(gstab);

  elsenz(v1);

   delay(2.0e-6);
   zgradpulse(-1.0*gzlvl7,gt7);
   delay(gstab);

  endif(v1);
  
   delay(lk_wait);   /* delay for lk receiver recovery */

   rgpulse(pw,zero,0.0,0.0);

   delay(2.0e-6);
   zgradpulse(gzlvl8,gt8);

  decphase(zero);

  delay(taua - gt8 - 4.0e-6);

  simpulse(2*pw,2*pwc,zero,zero,0.0,0.0);

   delay(2.0e-6);
   zgradpulse(gzlvl8,gt8);
   delay(2.0e-6);

   delay(taua - 2*POWER_DELAY - gt8 - 4.0e-6);

   decpower(dpwr);  /* Set power for decoupling */
   dec2power(dpwr2);  /* Set power for decoupling */

   rgpulse(pw,zero,0.0,rof2);

  lk_sample();

/*   rcvron();  */          /* Turn on receiver to warm up before acq */ 

/* BEGIN ACQUISITION */

status(D);
   setreceiver(t5);

}
Ejemplo n.º 17
0
pulsesequence()
{
/* DECLARE VARIABLES */

 char        f1180[MAXSTR],C13refoc[MAXSTR], C13filter[MAXSTR];
             
 int	     t1_counter;

 double 
	tau1,	      	    /* t1/2 */
	JNH = getval("JNH"),
  	tauNH  = 1/(4*JNH),         /* delay for 1H-15N INEPT   1/4JNH  */
  	tauNH1 = getval("tauNH1"),   /* 1/2JNH  */
  	tauNH2 = getval("tauNH2"),   /* 1/2JNH  */
  	tauCH1 = getval("tauCH1"),   /* 1/2JCH  */
  	tauCH2 = getval("tauCH2"),   /* 1/2JCH   tauCH2=2tauNH1-2tauCH1 */
  	fact = getval("fact"),       /* scale factor for spin-echo  */
  	pwN = getval("pwN"),
  	pwNlvl = getval("pwNlvl"), 	      	  	              
   pwClvl = getval("pwClvl"), 	  	        /* coarse power for C13 pulse */
   pwC = getval("pwC"),     	      /* C13 90 degree pulse length at pwClvl */
   compC = getval("compC"),
   rf0,            	          /* maximum fine power when using pwC pulses */
   rfst,	                           /* fine power for the stCall pulse */
   mix = getval("mix"),           /* mixing time for H2O - NH  */
        dofCHn = getval("dofCHn"),
        gt1 = getval("gt1"),
        gt2 = getval("gt2"),
        gt3 = getval("gt3"),
        gt4 = getval("gt4"),
        gt5 = getval("gt5"),
        gstab=getval("gstab"),
        gzlvl1 = getval("gzlvl1"),
        gzlvl2 = getval("gzlvl2"),
        gzlvl3 = getval("gzlvl3"),
        gzlvl4 = getval("gzlvl4"),
        gzlvl5 = getval("gzlvl5"),
 gzlvld1 = getval("gzlvld1"), /* remove radiation damping in spin-echo filter */ 
 gzlvld2 = getval("gzlvld2"); /* remove radiation damping in mixing time */

/* LOAD VARIABLES */

  getstr("f1180",f1180); 
  getstr("C13refoc",C13refoc);
  getstr("C13filter",C13filter);

/* maximum fine power for pwC pulses (and initialize rfst) */

	rf0 = 4095.0;    rfst=0.0;

/* 180 degree adiabatic C13 pulse from 0 to 200 ppm */

     if (C13refoc[A]=='y')
       {rfst = (compC*4095.0*pwC*4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35));   
	rfst = (int) (rfst + 0.5);
	if ( 1.0/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35)) < pwC )
           { text_error( " Not enough C13 RF. pwC must be %f usec or less.\n", 
	    (1.0e6/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35))) );    psg_abort(1); }}

   initval(3.0,v2);
   initval(1.0,v3);          
             
/* check validity of parameter range */

    if((dm[A] == 'y' || dm[B] == 'y' ))
	{
	printf("incorrect Dec1 decoupler flags!  ");
	psg_abort(1);
    } 

    if((dm2[A] == 'y' || dm2[B] == 'y' || dm2[C] == 'n'))
	{
	printf("incorrect Dec2 decoupler flags!  dm2 Should be 'nny' ");
	psg_abort(1);
    } 

    if( dpwr > 50 )
    {
	printf("don't fry the probe, dpwr too large!  ");
	psg_abort(1);
    }

    if( dpwr2 > 50 )
    {
	printf("don't fry the probe, dpwr2 too large!  ");
	psg_abort(1);
    }
 
    if((gt1 > 5.0e-3) || (gt2 > 5.0e-3) || (gt3 > 5.0e-3))
    {
        printf("gti must be less than 5 ms \n");
        psg_abort(1);
    }
   
    if((gt4 > 5.0e-3) || (gt5 > 5.0e-3))
    {
        printf("gti must be less than 5 ms \n");
        psg_abort(1);
    }

  if(gzlvld1>200 || gzlvld2>200 )
    {
        printf("gzlvldi should not be larger than 200 DAC \n");
        psg_abort(1);
    }

/* LOAD VARIABLES */

  settable(t1, 4,  phi1);
  settable(t2, 2,  phi2);
  settable(t3, 4,  phi3);
  settable(t4, 8,  phi4);
  settable(t5, 2,  phi5);
  settable(t6, 4,  phi6);
  settable(t14,8, rec);

/* Phase incrementation for hypercomplex data */

   if ( phase1 == 2 )     /* Hypercomplex in t1 */
    {    
    tsadd(t2,1,4);
    }    
    
/* calculate modification to phases based on current t1 values
   to achieve States-TPPI acquisition */
 
   if(ix == 1)
    {
      d2_init = d2;
    }

      t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5);
      if(t1_counter %2) 
       {
        tsadd(t2,2,4);
        tsadd(t14,2,4);
       }

/* set up so that get (-90,180) phase corrects in F1 if f1180 flag is y */

    tau1=d2;
    if( (f1180[A] == 'y') && (ni >1.0) )  tau1 += (1.0/(2.0*sw1));
    tau1 = tau1/2.0 -pw -2*pwN/PI;
    if (tau1 < 0.0) tau1=0.0;
    

/* BEGIN ACTUAL PULSE SEQUENCE */

status(A);

   obspower(tpwr);               /* Set power for pulses  */
   dec2power(pwNlvl);            /* Set decoupler2 power to pwNlvl */
   decpower(pwClvl);
   decpwrf(rf0);
   obsoffset(tof); 
   decoffset(dofCHn);   
   delay(d1);
   
status(B);

   rcvroff();
  
   txphase(t1);
   delay(9.0e-5);

/* spin-echo filter and 15N/13C double filters */

  rgpulse(pw,t1,0.0,0.0);  

if(C13filter[A]=='y')   

{   
  decphase(t5);
  zgradpulse(gzlvl5,gt5); 
  delay(tauCH1-gt5); 
  decrgpulse(pwC,t5,0.0,0.0);
 
  txphase(t3); dec2phase(t5);
  delay(tauNH1-tauCH1-pwN*0.5);
  sim3pulse(2.0*pw,2*pwC,pwN,t3,zero,t5,0.0,0.0);
 
  decphase(t6);
  delay(tauCH2+tauCH1-tauNH1-pwN*0.5);
  decrgpulse(pwC,t6,0.0,0.0);
  
  delay(tauNH1+tauNH2-tauCH1-tauCH2-gt5-gstab);
  zgradpulse(gzlvl5,gt5);
  delay(gstab);     
}
 
 else
  
{  
 if (gzlvld1>0.0)
 {
  txphase(t3); dec2phase(t5); 
  delay(2.0e-6);
  zgradpulse(gzlvld1,0.5*fact*tauNH1-pwN*0.25-11.0e-6);
  delay(2.0e-5);
  zgradpulse(-gzlvld1,0.5*fact*tauNH1-pwN*0.25-11.0e-6);
  delay(2.0e-6);

  sim3pulse(2.0*pw,0.0e-6,pwN,t3,zero,t5,0.0,0.0);

  delay(2.0e-6);
  zgradpulse(gzlvld1,0.5*fact*tauNH2-pwN*0.25-11.0e-6);
  delay(2.0e-5);
  zgradpulse(-gzlvld1,0.5*fact*tauNH2-pwN*0.25-11.0e-6);
  delay(2.0e-6);
 }
 else
 {
  txphase(t3); dec2phase(t5); 
  delay(fact*tauNH1-pwN*0.5);

  sim3pulse(2.0*pw,0.0e-6,pwN,t3,zero,t5,0.0,0.0);

  delay(2.0e-6);
  delay(0.5*fact*tauNH2-pwN*0.25-3.0e-6);
  delay(2.0e-6);
  delay(0.5*fact*tauNH2-pwN*0.25-3.0e-6);
  delay(2.0e-6);
 }
}

  txphase(zero); dec2phase(t6);

  sim3pulse(pw,0.0e-6,pwN,zero,zero,t6,0.0,0.0);
  
  decoffset(dof);
  decpwrf(rfst);
 
/* mixing time */ 
  
   zgradpulse(gzlvl4,gt4);    
   delay(gstab); 
   if(mix - 4.0e-6 - 4.0*GRADIENT_DELAY - gt4> 0.0)
    {
     if (gzlvld2>0.0)
      {
        zgradpulse(gzlvld2,mix-gt4-gstab);
      }
     else
      delay(mix-gt4-gstab);
    }

/* H1-N15 INEPT */

  rgpulse(pw, zero, 0.0, 0.0);

  zgradpulse(gzlvl1,gt1);

  dec2phase(zero); decphase(zero);

  delay(tauNH-gt1);               /* delay=1/4J(XH)   */

  sim3pulse(2*pw,0.0,2*pwN,zero,zero,zero,rof1,rof1);

  zgradpulse(gzlvl1,gt1);

  txphase(one);
  dec2phase(t2);
  delay(tauNH-gt1 );               /* delay=1/4J(XH)   */
 
  rgpulse(pw, one, rof1, rof1);

  zgradpulse(gzlvl2,gt2);
  delay(gstab);

  dec2rgpulse(pwN, t2, 0.0, 0.0);

  txphase(zero); dec2phase(t4);

/* t1 evolution period  */

  	if ( (C13refoc[A]=='y') && (tau1 > 0.5e-3 + WFG2_START_DELAY) )
           {delay(tau1 - 0.5e-3 - WFG2_START_DELAY);     /* WFG2_START_DELAY */
            simshaped_pulse("", "stC200", 2.0*pw, 1.0e-3, zero, zero, 0.0, 0.0);
            delay(tau1 - 0.5e-3);}
	else
           {delay(tau1);
            rgpulse(2.0*pw, zero, 0.0, 0.0);
            delay(tau1);} 

  dec2rgpulse(pwN, t4, 0.0, 0.0);

  txphase(t1);
  zgradpulse(gzlvl2,gt2);
  delay(gstab);

  rgpulse(pw, t1, rof1, rof1);

  dec2phase(zero);

   zgradpulse(gzlvl3,gt3);
   txphase(v2);
   delay(gstab);

   delay(tauNH-gt3-gstab-pw*2.385-6.0*rof1 -d3*2.5);
 
   rgpulse(pw*0.231,v2,rof1,rof1);
   delay(d3);
   rgpulse(pw*0.692,v2,rof1,rof1);
   delay(d3);
   rgpulse(pw*1.462,v2,rof1,rof1);

   delay(d3/2-pwN);
   dec2rgpulse(2*pwN, zero, rof1, rof1);
   delay(d3/2-pwN);

   rgpulse(pw*1.462,v3,rof1,rof1);
   delay(d3);
   rgpulse(pw*0.692,v3,rof1,rof1);
   delay(d3);
   rgpulse(pw*0.231,v3,rof1,rof1);
   delay(tauNH-gt3-gstab-pw*2.385-6.0*rof1 -d3*2.5);
   dec2power(dpwr2);
   zgradpulse(gzlvl3,gt3);
   
   delay(gstab); 

/* acquire data */  

status(C);
   setreceiver(t14);

}
Ejemplo n.º 18
0
pulsesequence()
{
   char   CT_flg[MAXSTR],	/* Constant time flag */
          shname1[MAXSTR],
	  shname2[MAXSTR],
	  shname3[MAXSTR],
	  f1180[MAXSTR],
          Cdecflg[MAXSTR],
          Cdecseq[MAXSTR],
          grad_flg[MAXSTR];     /*gradient flag */

   int    t1_counter,
          phase;


   double d2_init=0.0,
          adjust = getval("adjust"),
          gzlvl1 = getval("gzlvl1"),
          gzlvl2 = getval("gzlvl2"), 
          gt1 = getval("gt1"),
          gt2 = getval("gt2"),
          shlvl1 = getval("shlvl1"),
          shlvl2 = getval("shlvl2"),
          shlvl3 = getval("shlvl3"),
          shdmf2 = getval("shdmf2"),
          shpw1 = getval("shpw1"),
          shpw2 = getval("shpw2"),
          shpw3 = getval("shpw3"),
	  pwClvl = getval("pwClvl"),
          pwC = getval("pwC"),
          dpwr = getval("dpwr"),
          CT_delay = getval("CT_delay"),
          d2 = getval("d2"),
          tau1 = getval("tau1"),
          tauch = getval("tauch");


   getstr("shname1", shname1);
   getstr("shname2", shname2);
   getstr("shname3", shname3);
   getstr("CT_flg", CT_flg);
   getstr("grad_flg",grad_flg);
   getstr("f1180",f1180);
   getstr("Cdecflg",Cdecflg);
   getstr("Cdecseq",Cdecseq);


  phase = (int) (getval("phase") + 0.5);
   
   settable(t1,2,phi1);
   settable(t2,2,phi2);


  if (phase == 1) ;
  if (phase == 2) tsadd(t1,1,4);

    tau1 = d2;
    if((f1180[A] == 'y') && (ni > 1.0))
        { tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
    tau1 = tau1;
  
    if (f1180[0] == 'y')  tau1 = tau1-pwC*4.0/3.0;

if(CT_flg[0] == 'y')
 {
     if ( (ni/sw1) > (CT_delay-pwC*8.0/3.0))
  { text_error( " ni is too big. Make ni equal to %d or less.\n",
      ((int)((CT_delay-pwC*8.0/3.0)*sw1)) );                psg_abort(1); }
 } 


   if( ix == 1) d2_init = d2;
   t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
   if(t1_counter % 2)
        { tsadd(t1,2,4); tsadd(t2,2,4); }


   status(A);

   decpower(pwClvl);
   decoffset(dof);
   obsoffset(tof);

   zgradpulse(gzlvl2, gt2);
   lk_sample();
   delay(1.0e-4);
   delay(d1-gt2);
   if (ix < (int)(2.0*ni)) lk_hold(); /*force lock sampling at end of experiment*/

   obspower(shlvl1);
   shaped_pulse(shname1,shpw1,zero,2.0e-4,2.0e-6);
   zgradpulse(gzlvl1, gt1);
   delay(1.0e-4);

  if (ni == 0)
  {
       delay(tauch-gt1-1.0e-4-WFG_START_DELAY+pwC*4.0-adjust);
       obspower(shlvl2);
     shaped_pulse(shname2,shpw2,zero,2.0e-6,2.0e-6);
       obspower(shlvl1);
     decrgpulse(pwC,t1,0.0,0.0);
     decrgpulse(pwC*2.0,zero,0.0,0.0);
     decrgpulse(pwC,zero,0.0,0.0);
  }

else
  {
  delay(tauch-gt1-1.0e-4-adjust);
  obspower(shlvl2);
  status(B);

  if(CT_flg[0] == 'y')
   {
    /*************************************************/
    /****           CT EVOLUTION            **********/
    /*************************************************/

     decrgpulse(pwC,t1,0.0,0.0);
     delay((CT_delay-tau1)*0.25-pwC*2.0/3.0);
     decpower(shlvl3);
     decshaped_pulse(shname3,shpw3,zero,0.0,0.0);
     delay((CT_delay+tau1)*0.25-shpw2*0.5);
     shapedpulse(shname2,shpw2,zero,0.0,0.0);
     delay((CT_delay+tau1)*0.25-shpw2*0.5);
     decshaped_pulse(shname3,shpw3,zero,0.0,0.0);
     decpower(pwClvl);
     delay((CT_delay-tau1)*0.25-pwC*2.0/3.0);
     decrgpulse(pwC,zero,0.0,0.0);
    }
   
   else
   {
    /*************************************************/
    /****     REAL-TIME EVOLUTION           **********/
    /*************************************************/
     if ((tau1) > shpw2)
    {
     decrgpulse(pwC,t1,0.0,0.0);
      if(Cdecflg[0] == 'y')
      {
      decpower(getval("Cdecpwr"));
      decprgon(Cdecseq, 1.0/getval("Cdecdmf"), getval("Cdecres"));
      decon();
      }
     delay((tau1-shpw2)*0.5);

    xmtrphase(zero);
    xmtron();
    obsunblank();
    obsprgon(shname2,1/shdmf2,9.0);
    delay(shpw2);
    obsprgoff();
    obsblank();
    xmtroff();

     delay((tau1-shpw2)*0.5);
      if(Cdecflg[0] == 'y')
      {
      decoff(); decprgoff();
      decpower(pwClvl);
      }
     decrgpulse(pwC,zero,0.0,0.0);
    }
   else
    {
    xmtrphase(zero);
    xmtron();
    obsunblank();
    obsprgon(shname2,1/shdmf2,9.0);
    delay((shpw2-tau1-pwC*2.0)*0.5);

    decrgpulse(pwC,t1,0.0,0.0);
      if(Cdecflg[0] == 'y')
      {
      decpower(getval("Cdecpwr"));
      decprgon(Cdecseq, 1.0/getval("Cdecdmf"), getval("Cdecres"));
      decon();
      delay(tau1);
      decoff(); decprgoff();
      decpower(pwClvl);
      }
    else
      delay(tau1);
    decrgpulse(pwC,zero,0.0,0.0);
    delay((shpw2-tau1-pwC*2.0)*0.5);
    obsprgoff();
    obsblank();
    xmtroff();
    }
  }

       obspower(shlvl1);
   status(A);


           zgradpulse(gzlvl1, gt1);
           delay(1.0e-4);
       delay(tauch-gt1-1.0e-4-POWER_DELAY);

   decpower(dpwr);

   status(C);
   setreceiver(t2);

}
}
Ejemplo n.º 19
0
void pulsesequence()
{
   char   
          shname1[MAXSTR],
	  f1180[MAXSTR],
	  f2180[MAXSTR],
          n15_flg[MAXSTR];


   int    icosel,
          t1_counter,
          t2_counter,
          ni2 = getval("ni2"),
          phase;


   double d2_init=0.0,
          d3_init=0.0,
          pwS1,pwS2,pwS3,pwS4,pwS5,pwS6,
          kappa,
          lambda = getval("lambda"),
          gzlvl1 = getval("gzlvl1"),
          gzlvl2 = getval("gzlvl2"), 
          gzlvl3 = getval("gzlvl3"), 
          gzlvl4 = getval("gzlvl4"), 
          gzlvl5 = getval("gzlvl5"), 
          gzlvl6 = getval("gzlvl6"), 
          gt1 = getval("gt1"),
          gt3 = getval("gt3"),
          gt4 = getval("gt4"),
          gt5 = getval("gt5"),
          gt6 = getval("gt6"),
          gstab = getval("gstab"),
          scale = getval("scale"),
          sw1 = getval("sw1"),
          tpwrsf = getval("tpwrsf"),
          shlvl1,
          shpw1 = getval("shpw1"),
          pwClvl = getval("pwClvl"),
          pwNlvl = getval("pwNlvl"),
          pwN = getval("pwN"),
          dpwr2 = getval("dpwr2"),
          d2 = getval("d2"),
          t2a,t2b,halfT2,
          shbw = getval("shbw"),
          shofs = getval("shofs")-4.77,
          timeTN = getval("timeTN"),
          tau1 = getval("tau1"),
          tau2 = getval("tau2"),
          taunh = getval("taunh");



   getstr("shname1", shname1);
   getstr("n15_flg",n15_flg);



  phase = (int) (getval("phase") + 0.5);
   
   settable(t1,4,phi1);
   settable(t2,4,phi2);
   settable(t3,1,phi3);
   settable(t5,1,phi5);
   settable(t14,4,phi14);
   settable(t15,4,phi15);
   settable(t24,4,phi24);
   settable(t25,4,phi25);


/*   INITIALIZE VARIABLES   */
   kappa = 5.4e-3;
   //shpw1 = pw*8.0;
   shlvl1 = tpwr;
   f1180[0] ='n'; 
   f2180[0] ='n'; 

   pwS1 = c13pulsepw("co", "ca", "sinc", 90.0);
   pwS2 = c13pulsepw("co", "ca", "sinc", 180.0);
   pwS3 = c13pulsepw("ca", "co", "square", 180.0);
   pwS4 = h_shapedpw("eburp2",shbw,shofs,zero, 0.0, 0.0);
   pwS6 = h_shapedpw("reburp",shbw,shofs,zero, 0.0, 0.0);
   pwS5 = h_shapedpw("pc9f",shbw,shofs,zero, 2.0e-6, 0.0);
   if(ix==1) printf("pwS2 %g   pwS3 %g GRADIENT_DELAY %g POWER_DELAY %g PWRF_DELAY %g\n",
   pwS2,pwS3,2*GRADIENT_DELAY,4*POWER_DELAY,4*PWRF_DELAY);



  if (phase == 1) ;
  if (phase == 2) tsadd(t1,1,4);

if   ( phase2 == 2 )
        {
        tsadd ( t3,2,4  );
        tsadd ( t5,2,4  );
        icosel = +1;
        }
else icosel = -1;


/*  Set up f1180  */

    tau1 = d2;
    if((f1180[A] == 'y') && (ni > 1.0))
        { tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
    tau1 = tau1;


/*  Set up f2180  */

    tau2 = d3;
    if((f2180[A] == 'y') && (ni2 > 1.0))
        { tau2 += ( 1.0 / (2.0*sw2) ); if(tau2 < 0.2e-6) tau2 = 0.0; }
    tau2 = tau2;

/************************************************************/
/* modification for phase-cycling in consecutive experiments*/
/*  for kinetic measurements                                */
/************************************************************/

   if( ix == 1) d2_init = d2;
   t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
   if(t1_counter % 2)
        { tsadd(t1,2,4); tsadd(t14,2,4); tsadd(t15,2,4);tsadd(t24,2,4); tsadd(t25,2,4);  }

  if( ix == 1) d3_init = d3;
   t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
   if(t2_counter % 2)
        { tsadd(t2,2,4); tsadd(t14,2,4); tsadd(t15,2,4);tsadd(t24,2,4); tsadd(t25,2,4);  }


/* Set up CONSTANT/SEMI-CONSTANT time evolution in N15 */

   if (ni2 > 1)
   {
   halfT2 = 0.5*(ni2-1)/sw2;
   t2b = (double) t2_counter*((halfT2 - timeTN)/((double)(ni2-1)));
   if( ix==1 && halfT2 - timeTN > 0 ) printf("SCT mode on, max ni2=%g\n",timeTN*sw2*2+1);
    if(t2b < 0.0) t2b = 0.0;
   
    t2a = timeTN - tau2*0.5 + t2b;
    if(t2a < 0.2e-6)  t2a = 0.0;
    }
    else
    {
    t2b = 0.0;
    t2a = timeTN - tau2*0.5;
    }



   status(A);
      rcvroff();  

   decpower(pwClvl);
   decoffset(dof);
   dec2power(pwNlvl);
   dec2offset(dof2);
   obspwrf(tpwrsf);
   decpwrf(4095.0);
   obsoffset(tof);
   set_c13offset("co");


      dec2rgpulse(pwN*2.0,zero,0.0,0.0);
     zgradpulse(1.5*gzlvl4, gt4);
       delay(1.0e-4);

lk_sample();
       delay(d1-gt4);
lk_hold();
        h_shapedpulse("pc9f",shbw,shofs,zero, 2.0e-6, 0.0);

        delay(lambda-pwS5*0.5-pwS6*0.5);

        h_sim3shapedpulse("reburp",shbw,shofs,0.0,2.0*pwN, one, zero, zero, 0.0, 0.0);

        delay(lambda-pwS5*0.5-pwS6*0.5);

   if(n15_flg[0]=='y') h_shapedpulse("pc9f_",shbw,shofs,three, 0.0, 0.0);
     else h_shapedpulse("pc9f_",shbw,shofs,one, 0.0, 0.0);


   obspower(shlvl1);
/**************************************************************************/
      dec2rgpulse(pwN,zero,0.0,0.0);

           zgradpulse(gzlvl4, gt4);
           delay(timeTN-pwS2*0.5-gt4);

      sim3_c13pulse("", "co", "ca", "sinc", "", 0.0, 180.0, 2.0*pwN,
                                             zero, zero, zero, 2.0e-6, 2.0e-6);

           zgradpulse(gzlvl4, gt4);
           delay(timeTN-pwS2*0.5-gt4);
     dec2rgpulse(pwN,one,0.0,0.0);
/**************************************************************************/
/*   xxxxxxxxxxxxxxxxxxxxxx       13CO EVOLUTION        xxxxxxxxxxxxxxxxxx    */
   
        obspower(tpwr);
	c13pulse("co", "ca", "sinc", 90.0, t1, 2.0e-6, 0.0);       
        delay(tau1*0.5);
        sim3_c13pulse("", "ca", "co", "square", "", 0.0, 180.0, 2.0*pwN,
                                                  zero, zero, zero, 2.0e-6, 0.0);
        delay(tau1*0.5);
	c13pulse("co", "ca", "sinc", 180.0, zero, 2.0e-6, 0.0);      
        sim3_c13pulse("", "ca", "co", "square", "", 0.0, 180.0, 0.0,
                                                  one, zero, zero, 2.0e-6, 0.0);
        if  (pwN*2.0 > pwS3) delay(pwN*2.0-pwS3);
	c13pulse("co", "ca", "sinc", 90.0, zero, 2.0e-6, 0.0);       

/**************************************************************************/
     dec2rgpulse(pwN,t2,0.0,0.0);

         delay(tau2*0.5);
         c13pulse("ca", "co", "square", 180.0, zero, 0.0, 0.0);
         // delay(timeTN-pwS3-pwS2-gt1-1.0e-4);
         delay(timeTN-pwS3-pwS2-gt1-1.0e-4-2.0*GRADIENT_DELAY-4*POWER_DELAY-4*PWRF_DELAY-(4/PI)*pwN);
       zgradpulse(-gzlvl1, gt1); 
       delay(1.0e-4);
        c13pulse("co", "ca", "sinc", 180.0, zero, 0.0, 0.0);
        delay (t2b);
        dec2rgpulse (2.0*pwN, zero, 0.0, 0.0);
        delay (t2a);

/**************************************************************************/
        delay(gt1/10.0+1.0e-4);
        h_shapedpulse("eburp2_",shbw,shofs,t3, 2.0e-6, 0.0);

        zgradpulse(gzlvl5, gt5);
        delay(lambda-pwS6*0.5-pwS4*scale- gt5);

        h_sim3shapedpulse("reburp",shbw,shofs,0.0,2.0*pwN, zero, zero, zero, 0.0, 0.0);

        zgradpulse(gzlvl5, gt5);
        delay(lambda-pwS6*0.5-pwS4*scale- gt5);

        h_shapedpulse("eburp2",shbw,shofs,zero, 0.0, 0.0);
        delay(gt1/10.0+1.0e-4);

     dec2rgpulse(pwN,one,0.0,0.0);
        zgradpulse(gzlvl6, gt6);

        txphase(zero);
        delay(lambda-pwS6*0.5-gt6);

        h_sim3shapedpulse("reburp",shbw,shofs,0.0,2.0*pwN, zero, zero, zero, 0.0, 0.0);
        zgradpulse(gzlvl6, gt6);

        delay(lambda-pwS6*0.5-gt6);
     dec2rgpulse(pwN,t5,0.0,0.0);
/**************************************************************************/

        zgradpulse(-icosel*gzlvl2, gt1/10.0);
        dec2power(dpwr2);                                      /* POWER_DELAY */
lk_sample();
 if (n15_flg[0] =='y')
{
   if (phase2==1) setreceiver(t14);
   else setreceiver(t15);
}
else
{
   if (phase2==1) setreceiver(t24);
   else setreceiver(t25);
}

      rcvron();
statusdelay(C,1.0e-4 );

}		 
void pulsesequence()
{

char  satflg[MAXSTR], stCshape[MAXSTR];    /* sech/tanh pulses from shapelib */       
 
int   icosel,  t1_counter;

double 
   tau1, tau2, tau3, swTilt,
   cos_hm1, cos_cm1, cos_cm2,
   sw1       = getval("sw1"),
   sw_hm1    = getval("sw_hm1"),
   sw_cm1    = getval("sw_cm1"),
   sw_cm2    = getval("sw_cm2"),
   angle_hm1 = getval("angle_hm1"),
   angle_cm1 = getval("angle_cm1"),
   angle_cm2,

   pwHs = getval("pwHs"),
   pwClvl = getval("pwClvl"), 	  	        /* coarse power for C13 pulse */
   pwC = getval("pwC"),     	      /* C13 90 degree pulse length at pwClvl */
   compC = getval("compC"),       /* adjustment for C13 amplifier compression */
   rf0,            	          /* maximum fine power when using pwC pulses */
   rfst = 0.0,	            /* fine power for the stCshape pulse, initialised */
   pwNlvl = getval("pwNlvl"),	                      /* power for N15 pulses */
   pwN = getval("pwN"),               /* N15 90 degree pulse length at pwNlvl */

   lambda = getval("lambda"),	                 /* J delay optimized for CH3 */
   tauCH = 1/(4.0*getval("jch")),                         /* 1/4J J  delay */

   gstab = getval("gstab"),
   gt0 = getval("gt0"),          gzlvl0 = getval("gzlvl0"),				   
   gt1 = getval("gt1"),          gzlvl1 = getval("gzlvl1"),
                                 gzlvl2 = getval("gzlvl2"),
   gt3 = getval("gt3"),          gzlvl3 = getval("gzlvl3"),
   gt4 = getval("gt4"),          gzlvl4 = getval("gzlvl4"),
   gt5 = getval("gt5"),          gzlvl5 = getval("gzlvl5"),
   gt6 = getval("gt6"),          gzlvl6 = getval("gzlvl6");

   getstr("satflg",satflg);
   pwN=pwN*1.0; cos_cm2=0.0; angle_cm2=0.0;

/*   LOAD PHASE TABLE    */

   settable(t1,1,phi1);   settable(t3,2,phi3);  settable(t9,8,phi9);
   settable(t10,1,phi10); settable(t11,4,rec);

/*   INITIALIZE VARIABLES   */

   /* 30 ppm sech pulse */
   rf0 = 4095.0; 
   rfst = (compC*4095.0*pwC*4000.0*sqrt((4.5*sfrq/600.0+3.85)/0.41));   
   rfst = (int) (rfst + 0.5);
   strcpy(stCshape, "stC30");

/* CHECK VALIDITY OF PARAMETER RANGES */

  if((dm2[A] == 'y' || dm2[B] == 'y' || dm2[C] == 'y' ))
  { text_error("incorrect dec2 decoupler flags! Should be 'nnn' "); psg_abort(1); }

  if((dm[A] == 'y' || dm[B] == 'y'))
  { text_error("incorrect dec  decoupler flags! Should be 'nny' "); psg_abort(1); }

  if( (dpwr > 52) && (dm[C]=='y'))
  { text_error("don't fry the probe, DPWR too large!  ");   	    psg_abort(1); }

/* Phases and delays related to PR-NMR */
   /* sw1 is used as symbolic index */
   if ( sw1 < 1000 ) { printf ("Please set sw1 to some value larger than 1000.\n"); psg_abort(1); }
   if (angle_hm1 < 0 || angle_cm1 < 0 || angle_hm1 > 90 || angle_cm1 > 90 )
   { printf("angles must be set between 0 and 90 degree.\n"); psg_abort(1); }

   cos_hm1 = cos (PI*angle_hm1/180);  cos_cm1 = cos (PI*angle_cm1/180);

   if ( (cos_hm1*cos_hm1 + cos_cm1*cos_cm1) > 1.0) { printf ("Impossible angle combinations.\n"); psg_abort(1); }
   else { cos_cm2 = sqrt(1 - (cos_hm1*cos_hm1 + cos_cm1*cos_cm1) );  angle_cm2 = acos(cos_cm2)*180/PI;  }

   if (ix == 1) d2_init = d2;
   t1_counter = (int)((d2-d2_init)*sw1 + 0.5);

   swTilt = sw_hm1*cos_hm1 + sw_cm1*cos_cm1 + sw_cm2*cos_cm2;

   if  (phase1 == 1) {; }                                             /* C+/- */
   else if  (phase1 == 2)  { tsadd (t1, 1, 4); }                      /* S+/- */

   icosel=1; 

   if ( (phase2 == 1) || (phase2 == 3) )  { tsadd(t10,2,4); icosel = 1; }
        else   {   icosel = -1;    }

   if (t1_counter % 2)  { tsadd(t1,2,4); tsadd(t11,2,4); }    /* PZ TPPI */

   tau1 = 1.0*t1_counter*cos_hm1/swTilt;
   tau2 = 1.0*t1_counter*cos_cm1/swTilt;
   tau3 = 1.0*t1_counter*cos_cm2/swTilt;

   tau1 = tau1/2.0;  tau2 = tau2/2.0;  tau3 = tau3/2.0;

   if (ix ==1 )
   {
      printf ("Current Spectral Width:\t\t%5.2f\n", swTilt);
      printf ("Angle_hm1: %5.2f \n", angle_hm1);
      printf ("Angle_cm1: %5.2f \n", angle_cm1);
      printf ("Angle_cm2: %5.2f \n", angle_cm2);
      printf ("\n\n\n\n\n");
   }

/* BEGIN PULSE SEQUENCE */

status(A);
   delay(d1);
   rcvroff();

   txphase(zero);   obspower(tpwr);
   decphase(zero);  decpower(pwClvl);   decpwrf(rf0);
   dec2phase(zero); dec2power(pwNlvl);
   decoffset(dof);

   obsoffset(satfrq);

   if (satflg[A] == 'y')
   {
      obspower(satpwr);
      rgpulse(satdly, zero, 0.0, 0.0);
      obspower(tpwr);      
   }

   if (satflg[A] == 'y')
   {
      shiftedpulse("sinc", pwHs, 90.0, 0.0, zero, 2.0e-6, 2.0e-6);
   }
   decrgpulse(pwC, zero, 2.0e-6, 2.0e-6);  /*destroy C13 magnetization*/
   zgradpulse(gzlvl0, gt0);
   delay(gstab);

   if (satflg[A] == 'y')
   {
      shiftedpulse("sinc", pwHs, 90.0, 0.0, one, 2.0e-6, 2.0e-6);
   }
   decrgpulse(pwC, one, 2.0e-6, 2.0e-6);
   zgradpulse(0.7*gzlvl0, gt0);
   txphase(t1);

   obsoffset(tof);
   delay(gstab);

status(B);

   rgpulse(pw, t1, 2.0e-6,2.0e-6);                 /* 1H pulse excitation */

      if (tau1 > pwC)
      {
         delay(tau1 - pwC);
         decrgpulse(2.0*pwC, zero, 0.0, 0.0);
         delay(tau1 - pwC);
      }
      else
      {
         delay(2.0*tau1);
      }

      zgradpulse(gzlvl3, gt3);
      delay(tauCH - gt3 - 4.0e-6);

   simpulse(2.0*pw, 2.0*pwC, zero, zero, 2.0e-6, 2.0e-6);

      delay(tauCH - gt3 - gstab -4.0e-6);
      zgradpulse(gzlvl3, gt3);
      txphase(one);  
      delay(gstab);

   rgpulse(pw, one, 2.0e-6, 2.0e-6);

      zgradpulse(gzlvl4, gt4);
      obsoffset(satfrq);
      decphase(t3);
      delay(gstab);

   decrgpulse(pwC, t3, 4.0e-6, 2.0e-6);
   /*==================  Carbon evolution ===============*/
      txphase(zero); decphase(zero);

      if ((phase2 ==1) || (phase2 ==2))   { delay(tau2 + tau3); }
      else  {  delay(tau3);  }

   rgpulse(2.0*pw, zero, 2.0e-6, 2.0e-6);

      if ((phase2 == 1) || (phase2 ==2))  { delay(tau2 + tau3); }
      else  {  delay(tau3);  }

      zgradpulse(-1.0*gzlvl1, gt1/2);
      decphase(t9);
      delay(gstab - 2.0*GRADIENT_DELAY);

   decrgpulse(2.0*pwC, t9, 2.0e-6, 2.0e-6);

      if ((phase2 == 3) || (phase2 ==4))  { delay(tau2); }
   rgpulse(2.0*pw, zero, 2.0e-6, 2.0e-6);
      if ((phase2 == 3) || (phase2 ==4))  { delay(tau2); }

      zgradpulse(gzlvl1, gt1/2);
      decphase(t10);
      delay(gstab -2.0*GRADIENT_DELAY );

   /*================== End of  Carbon evolution ===============*/
   simpulse(pw, pwC, zero, t10, 2.0e-6, 2.0e-6);
      decphase(zero);
      zgradpulse(gzlvl5, gt5);
      delay(lambda - 1.5*pwC - gt5 - 4.0e-6);

   simpulse(2.0*pw, 2.0*pwC, zero, zero, 2.0e-6, 2.0e-6);

      delay(lambda  - 1.5*pwC - gt5 - gstab -4.0e-6);
      zgradpulse(gzlvl5, gt5);
      txphase(one); decphase(one);
      delay(gstab);

   simpulse(pw, pwC, one, one, 2.0e-6, 2.0e-6);

      txphase(zero);
      decphase(zero);
      zgradpulse(gzlvl6, gt6);
      delay(tauCH - 1.5*pwC - gt6 -4.0e-6);

   simpulse(2.0*pw, 2.0*pwC, zero, zero, 2.0e-6, 2.0e-6);

      delay(tauCH - pwC - 0.5*pw - gt6 -gstab -4.0e-6);
      zgradpulse(gzlvl6, gt6);
      delay(gstab);

   rgpulse(pw, zero, 2.0e-6, 2.0e-6);

      delay((gt1/4.0) + gstab -2.0e-6 - 0.5*pw + 2.0*GRADIENT_DELAY + POWER_DELAY);

   rgpulse(2.0*pw, zero, 2.0e-6, 2.0e-6);
      decpower(dpwr);					       /* POWER_DELAY */
      zgradpulse(icosel*gzlvl2, gt1/4.0);             /* 2.0*GRADIENT_DELAY */
      delay(gstab);

status(C);
   setreceiver(t11);
}		 
Ejemplo n.º 21
0
pulsesequence()
{
/* DECLARE VARIABLES */

 char       fsat[MAXSTR],
	    fscuba[MAXSTR],
            f1180[MAXSTR],    /* Flag to start t1 @ halfdwell             */
            f2180[MAXSTR],    /* Flag to start t2 @ halfdwell             */
            C_flg[MAXSTR],
            dtt_flg[MAXSTR];

 int         phase, phase2, ni, ni2, 
             t1_counter,   /* used for states tppi in t1           */ 
             t2_counter;   /* used for states tppi in t2           */ 

 double      tau1,         /*  t1 delay */
             tau2,         /*  t2 delay */
             taua,         /*  ~ 1/4JHC =  1.6 ms */
             taub,         /*    1/6JCH =   1.1 ms  */
             BigTC,        /* Carbon constant time period = 1/4Jcc = 7.0 ms */ 
             BigTC1,       /* Carbon constant time period2 < 1/4Jcc to account for relaxation */ 
             pwN,          /* PW90 for 15N pulse @ pwNlvl           */
             pwC,          /* PW90 for c nucleus @ pwClvl         */
             pwcrb180,      /* PW180 for C 180 reburp @ rfrb */
             pwClvl,        /* power level for 13C pulses on dec1  */
             compC, compH,  /* compression factors for H1 and C13 amps */
	     rfrb,       /* power level for 13C reburp pulse     */
             pwNlvl,       /* high dec2 pwr for 15N hard pulses    */
             sw1,          /* sweep width in f1                    */             
             sw2,          /* sweep width in f2                    */             
             tofps,        /* tof for presat                       */ 

	     gt0,
             gt1,
             gt2,
             gt3,
             gt4,

             gstab,
             gzlvl0,
             gzlvl1,
             gzlvl2,
             gzlvl3,
             gzlvl4,
        
             decstep1,
             bw, ofs, ppm,

             pwd1,
             dpwr3_D,
             pwd,
             tpwrs,
             pwHs, 
             dof_me,
             
             tof_dtt,
             tpwrs1,
             pwHs1,

             dpwrsed,
             pwsed,
             dressed,
              
             rfrb_cg,
             pwrb_cg; 
             
   
/* LOAD VARIABLES */

  getstr("fsat",fsat);
  getstr("f1180",f1180);
  getstr("f2180",f2180);
  getstr("fscuba",fscuba);

  getstr("C_flg",C_flg);
  getstr("dtt_flg",dtt_flg); 

  tofps  = getval("tofps");
  taua   = getval("taua"); 
  taub   = getval("taub"); 
  BigTC  = getval("BigTC");
  BigTC1 = getval("BigTC1");
  pwC = getval("pwC");
  pwcrb180 = getval("pwcrb180");
  pwN = getval("pwN");
  tpwr = getval("tpwr");
  pwClvl = getval("pwClvl");
  compC = getval("compC");
  compH = getval("compH");
  dpwr = getval("dpwr");
  pwNlvl = getval("pwNlvl");
  phase = (int) ( getval("phase") + 0.5);
  phase2 = (int) ( getval("phase2") + 0.5);
  sw1 = getval("sw1");
  sw2 = getval("sw2");
  ni = getval("ni");
  ni2 = getval("ni2");

  gt0 = getval("gt0");
  gt1 = getval("gt1");
  gt2 = getval("gt2");
  gt3 = getval("gt3");
  gt4 = getval("gt4");
 
  gstab = getval("gstab");
  gzlvl0 = getval("gzlvl0");
  gzlvl1 = getval("gzlvl1");
  gzlvl2 = getval("gzlvl2");
  gzlvl3 = getval("gzlvl3");
  gzlvl4 = getval("gzlvl4");
 
  decstep1 = getval("decstep1");

  pwd1 = getval("pwd1");
  dpwr3_D = getval("dpwr3_D");
  pwd = getval("pwd");
  pwHs = getval("pwHs");
  dof_me = getval("dof_me");

  pwHs1 = pwHs; 
  tpwrs=-16.0; tpwrs1=tpwrs;
  tof_dtt = getval("tof_dtt");

  dpwrsed = -16;
  pwsed = 1000.0;
  dressed = 90.0;
  pwrb_cg = 0.0;  
  setautocal();                      /* activate auto-calibration */   

  if(FIRST_FID)                                         /* make shapes */
  {
    ppm = getval("dfrq"); 
    bw = 80.0*ppm;  
    rb180 = pbox_make("rb180P", "reburp", bw, 0.0, compC*pwC, pwClvl);
    bw = 8.125*ppm;  ofs = -24.0*ppm;
    rb180_cg = pbox_make("rb180_cgP", "reburp", bw, ofs, compC*pwC, pwClvl);
    bw = 20.0*ppm;  ofs = 136.0*ppm;
    cosed = pbox("COsedP", CODEC, CODECps, dfrq, compC*pwC, pwClvl);
    if(taua < (gt4+106e-6+pwHs)) printf("gt4 or pwHs may be too long! ");
    if(taub < rb180_cg.pw) printf("rb180_cgP pulse may be too long! ");
  }
  pwcrb180 = rb180.pw;   rfrb = rb180.pwrf;             /* set up parameters */
  pwrb_cg = rb180_cg.pw; rfrb_cg = rb180_cg.pwrf;       /* set up parameters */
  tpwrs = tpwr - 20.0*log10(pwHs/((compH*pw)*1.69));    /* sinc=1.69xrect */
  tpwrs = (int) (tpwrs); tpwrs1=tpwrs;              
  dpwrsed = cosed.pwr; pwsed = 1.0/cosed.dmf; dressed = cosed.dres;

/* LOAD PHASE TABLE */

  settable(t1,2,phi1);
  settable(t2,4,phi2);
  settable(t3,4,phi3);
  settable(t4,4,phi4);
  settable(t5,8,phi5);
  settable(t6,8,phi6);
  settable(t7,8,phi7);
  settable(t8,1,phi8);
  settable(t9,2,rec);

/* CHECK VALIDITY OF PARAMETER RANGES */

    if( BigTC - 0.5*(ni2-1)*1/(sw2) - WFG_STOP_DELAY - POWER_DELAY 
              - 4.0e-6
              < 0.2e-6 )
    {
        printf(" ni2 is too big\n");
        psg_abort(1);
    }


    if((dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' ))
    {
        printf("incorrect dec1 decoupler flags!  ");
        psg_abort(1);
    }

    if((dm2[A] == 'y' || dm2[B] == 'y' || dm2[C] == 'y' || dm2[D] == 'y'))
    {
        printf("incorrect dec2 decoupler flags! Should be 'nnnn' ");
        psg_abort(1);
    }

    if( satpwr > 6 )
    {
        printf("SATPWR too large !!!  ");
        psg_abort(1);
    }

    if( dpwr > 48 )
    {
        printf("don't fry the probe, DPWR too large!  ");
        psg_abort(1);
    }

    if( dpwr2 > -16 )
    {
        printf("don't fry the probe, DPWR2 too large!  ");
        psg_abort(1);
    }

    if( pw > 200.0e-6 )
    {
        printf("dont fry the probe, pw too high ! ");
        psg_abort(1);
    } 

    if( pwN > 200.0e-6 )
    {
        printf("dont fry the probe, pwN too high ! ");
        psg_abort(1);
    } 

    if( pwC > 200.0e-6 )
    {
        printf("dont fry the probe, pwC too high ! ");
        psg_abort(1);
    } 

    if( pwcrb180 > 500.0e-6 )
    {  
        printf("dont fry the probe, pwcrb180 too high ! ");
        psg_abort(1);
    } 

    if(dpwr3 > 51)
    {
       printf("dpwr3 is too high; < 52\n");
       psg_abort(1);
    }

    if(dpwr3_D > 49)
    {
       printf("dpwr3_D is too high; < 50\n");
       psg_abort(1);
    }

   if(d1 < 1)
    {
       printf("d1 must be > 1\n");
       psg_abort(1);
    }

   if(dpwrsed > 48)
   {
       printf("dpwrsed must be less than 49\n");
       psg_abort(1);
   }

    if(  gt0 > 5.0e-3 || gt1 > 5.0e-3  || gt2 > 5.0e-3 ||
         gt3 > 5.0e-3 || gt4 > 5.0e-3  )
    {  printf(" all values of gti must be < 5.0e-3\n");
        psg_abort(1);
    }

   if(ix==1) {
     printf("make sure that BigTC1 is set properly for your application\n");
     printf("7 ms, neglecting relaxation \n");
   }

/*  Phase incrementation for hypercomplex 2D data */

    if (phase == 2) {
      tsadd(t1,1,4);
      tsadd(t2,1,4);
      tsadd(t3,1,4);
      tsadd(t4,1,4);
    }

    if (phase2 == 2)
      tsadd(t8,1,4);

/*  Set up f1180  tau1 = t1               */
   
    tau1 = d2;
    tau1 = tau1 - 2.0*pw - 4.0/PI*pwC - POWER_DELAY - 2.0e-6 - PRG_START_DELAY
           - PRG_STOP_DELAY - POWER_DELAY - 2.0e-6;

    if(f1180[A] == 'y') {
        tau1 += ( 1.0 / (2.0*sw1) );
        if(tau1 < 0.4e-6) tau1 = 4.0e-7;
    }
        tau1 = tau1/2.0;

/*  Set up f2180  tau2 = t2               */

    tau2 = d3;
    if(f2180[A] == 'y') {
        tau2 += ( 1.0 / (2.0*sw2) ); 
        if(tau2 < 0.4e-6) tau2 = 4.0e-7;
    }
        tau2 = tau2/2.0;

/* Calculate modifications to phases for States-TPPI acquisition          */

   if( ix == 1) d2_init = d2 ;
   t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
   if(t1_counter % 2) {
      tsadd(t1,2,4);     
      tsadd(t9,2,4);    
    }

   if( ix == 1) d3_init = d3 ;
   t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
   if(t2_counter % 2) {
      tsadd(t8,2,4);  
      tsadd(t9,2,4);    
    }

/* BEGIN ACTUAL PULSE SEQUENCE */

status(A);
   obspower(satpwr);      /* Set transmitter power for 1H presaturation */
   decpower(pwClvl);        /* Set Dec1 power for hard 13C pulses         */
   dec2power(pwNlvl);      /* Set Dec2 to low power       */

/* Presaturation Period */

status(B);
   if (fsat[0] == 'y')
   {
        obsoffset(tofps);
	delay(2.0e-5);
        rgpulse(d1,zero,2.0e-6,2.0e-6);  /* presat with transmitter */
   	obspower(tpwr);      /* Set transmitter power for hard 1H pulses */
	delay(2.0e-5);
	if(fscuba[0] == 'y')
	{
		delay(2.2e-2);
		rgpulse(pw,zero,2.0e-6,0.0);
		rgpulse(2.0*pw,one,2.0e-6,0.0);
		rgpulse(pw,zero,2.0e-6,0.0);
		delay(2.2e-2);
	}
   }
   else
   {
    delay(d1);
   }
   obspower(tpwr);           /* Set transmitter power for hard 1H pulses */
   obsoffset(tof);
   txphase(t1);
   decphase(zero);
   dec2phase(zero);
   delay(1.0e-5);

/* Begin Pulses */

status(C);

   decoffset(dof_me);

   lk_hold();

   rcvroff();
   delay(20.0e-6);

/* ensure that magnetization originates on 1H and not 13C */

   if(dtt_flg[A] == 'y') {
     obsoffset(tof_dtt);
     obspower(tpwrs1);
     shaped_pulse("H2Osinc",pwHs1,zero,10.0e-6,0.0);
     obspower(tpwr);

     obsoffset(tof); 
   }
 
   decrgpulse(pwC,zero,0.0,0.0);
 
   zgradpulse(gzlvl0,gt0);
   delay(gstab);

   rgpulse(pw,zero,0.0,0.0);                    /* 90 deg 1H pulse */

   zgradpulse(gzlvl1,gt1);
   delay(gstab);

   delay(taua - gt1 -gstab); 

   simpulse(2.0*pw,2.0*pwC,zero,zero,0.0,0.0);
   txphase(one);

   delay(taua - gt1 - gstab); 
   	
   zgradpulse(gzlvl1,gt1);
   delay(gstab);


   rgpulse(pw,one,0.0,0.0);

   /* shaped_pulse */
   obspower(tpwrs);
   shaped_pulse("H2Osinc",pwHs,zero,2.0e-6,0.0);
   obspower(tpwr);
   /* shaped_pulse */

   decoffset(dof);  /* jump 13C to 40 ppm */

   zgradpulse(gzlvl2,gt2);
   delay(gstab);

   decrgpulse(pwC,t1,4.0e-6,0.0); decphase(zero); 

   initval(1.0,v3);
   decstepsize(decstep1);
   dcplrphase(v3);

   decpwrf(rfrb);
   delay(BigTC - POWER_DELAY - WFG_START_DELAY);

   decshaped_pulse(rb180.name,pwcrb180,zero,0.0,0.0);
   dcplrphase(zero);
   decphase(t2);

   decpwrf(4095.0);
   delay(BigTC - WFG_STOP_DELAY - POWER_DELAY);

   decrgpulse(pwC,t2,0.0,0.0);
   decphase(zero);

   /* turn on 2H decoupling */
   dec3phase(one);
   dec3power(dpwr3); 
   dec3rgpulse(pwd1,one,4.0e-6,0.0); 
   dec3phase(zero);
   dec3unblank();
   dec3power(dpwr3_D);
   dec3prgon(dseq3,pwd,dres3);
   dec3on();
   /* turn on 2H decoupling */

   initval(1.0,v3);
   decstepsize(decstep1);
   dcplrphase(v3);

   decpwrf(rfrb);

   delay(BigTC1 - POWER_DELAY - 4.0e-6 - pwd1
         - POWER_DELAY - PRG_START_DELAY - POWER_DELAY - WFG_START_DELAY);

   decshaped_pulse(rb180.name,pwcrb180,zero,0.0,0.0);
   dcplrphase(zero);
   decphase(t3);

   decpwrf(4095.0);
   delay(BigTC1 - WFG_STOP_DELAY - POWER_DELAY);

   decrgpulse(pwC,t3,0.0,0.0);
   decpwrf(rfrb_cg); decphase(zero);

   if(taub > pwrb_cg)
     delay(taub/2.0 - pwrb_cg/2.0 - POWER_DELAY - WFG_START_DELAY);
   decshaped_pulse(rb180_cg.name,pwrb_cg,zero,0.0,0.0);
   decpwrf(rfrb);
   
   if(taub > pwrb_cg)
     delay(taub/2.0 - pwrb_cg/2.0 - WFG_STOP_DELAY - POWER_DELAY - SAPS_DELAY
         - 2.0e-6 - WFG_START_DELAY);

   initval(1.0,v3);
   decstepsize(decstep1);
   dcplrphase(v3);

   decshaped_pulse(rb180.name,pwcrb180,zero,2.0e-6,0.0);
   dcplrphase(zero);

   decpwrf(rfrb_cg); decphase(zero);

   if(taub > pwrb_cg)
     delay(taub/2.0 - pwrb_cg/2.0 - WFG_STOP_DELAY - SAPS_DELAY 
                  - POWER_DELAY - WFG_START_DELAY);

   decshaped_pulse(rb180_cg.name,pwrb_cg,zero,0.0,0.0);
   decpwrf(4095.0); decphase(t4);

   if(taub > pwrb_cg)
     delay(taub/2.0 - pwrb_cg/2.0 - WFG_STOP_DELAY - POWER_DELAY);

   decrgpulse(pwC,t4,0.0,0.0);

   if(C_flg[A] == 'n') {

   decpower(dpwrsed); decunblank(); decphase(zero); delay(2.0e-6);
   decprgon(cosed.name,pwsed,dressed);
   decon();
  
   delay(tau1);
   rgpulse(2.0*pw,zero,0.0,0.0);
   delay(tau1);

   decoff();
   decprgoff();
   decblank();
   decpower(pwClvl);
   }

   else 
    simpulse(2.0*pw,2.0*pwC,zero,zero,4.0e-6,4.0e-6);

   decrgpulse(pwC,t5,2.0e-6,0.0);
   decpwrf(rfrb_cg); decphase(zero);

   if(taub > pwrb_cg)
     delay(taub/2.0 - pwrb_cg/2.0 - POWER_DELAY - WFG_START_DELAY);
   decshaped_pulse(rb180_cg.name,pwrb_cg,zero,0.0,0.0);
   decpwrf(rfrb);

   if(taub > pwrb_cg)
     delay(taub/2.0 - pwrb_cg/2.0 - WFG_STOP_DELAY - POWER_DELAY - SAPS_DELAY
         - 2.0e-6 - WFG_START_DELAY);

   initval(1.0,v3);
   decstepsize(decstep1);
   dcplrphase(v3);

   decshaped_pulse(rb180.name,pwcrb180,zero,2.0e-6,0.0);
   dcplrphase(zero);

   decpwrf(rfrb_cg); decphase(zero);

   if(taub > pwrb_cg)
     delay(taub/2.0 - pwrb_cg/2.0 - WFG_STOP_DELAY - SAPS_DELAY 
                  - POWER_DELAY - WFG_START_DELAY);

   decshaped_pulse(rb180_cg.name,pwrb_cg,zero,0.0,0.0);
   decpwrf(4095.0); decphase(t6);

   if(taub > pwrb_cg)
     delay(taub/2.0 - pwrb_cg/2.0 - WFG_STOP_DELAY - POWER_DELAY);

   decrgpulse(pwC,t6,0.0,0.0);
   decphase(zero);

   initval(1.0,v3);
   decstepsize(decstep1);
   dcplrphase(v3);

   decpwrf(rfrb);
   delay(BigTC1 - POWER_DELAY - WFG_START_DELAY);

   decshaped_pulse(rb180.name,pwcrb180,zero,0.0,0.0);
   dcplrphase(zero);
   decphase(t7);

   decpwrf(4095.0);
   delay(BigTC1 - WFG_STOP_DELAY - POWER_DELAY
          - PRG_STOP_DELAY - POWER_DELAY - 4.0e-6 - pwd1);

   /* 2H decoupling off */
   dec3off();
   dec3prgoff();
   dec3blank();
   dec3power(dpwr3);
   dec3rgpulse(pwd1,three,4.0e-6,0.0);
   /* 2H decoupling off */

   decrgpulse(pwC,t7,0.0,0.0);
   decphase(zero);

   delay(tau2);
   rgpulse(2.0*pw,zero,0.0,0.0);

   initval(1.0,v3);
   decstepsize(decstep1);
   dcplrphase(v3);

   decpwrf(rfrb);
   delay(BigTC - 2.0*pw - POWER_DELAY - WFG_START_DELAY);

   decshaped_pulse(rb180.name,pwcrb180,zero,0.0,0.0);
   dcplrphase(zero);
   decphase(t8);
   decpwrf(4095.0);

   delay(BigTC - tau2 - WFG_STOP_DELAY - POWER_DELAY - 4.0e-6);

   decrgpulse(pwC,t8,4.0e-6,0.0);


   decoffset(dof_me);

   zgradpulse(gzlvl3,gt3);
   delay(gstab);

   lk_sample();

   /* shaped_pulse */
   obspower(tpwrs);
   shaped_pulse("H2Osinc",pwHs,two,2.0e-6,0.0);
   obspower(tpwr);
   /* shaped_pulse */

   rgpulse(pw,zero,4.0e-6,0.0);

   zgradpulse(gzlvl4,gt4);
   delay(gstab);

   delay(taua - gt4 -gstab 
         - POWER_DELAY - 2.0e-6 - WFG_START_DELAY
         - pwHs - WFG_STOP_DELAY - POWER_DELAY - 2.0e-6);

   /* shaped_pulse */
   obspower(tpwrs);
   shaped_pulse("H2Osinc",pwHs,two,2.0e-6,0.0);
   obspower(tpwr);
   /* shaped_pulse */

   simpulse(2.0*pw,2.0*pwC,zero,zero,2.0e-6,0.0);

   /* shaped_pulse */
   obspower(tpwrs);
   shaped_pulse("H2Osinc",pwHs,two,2.0e-6,0.0);
   obspower(tpwr);
   /* shaped_pulse */

   zgradpulse(gzlvl4,gt4);
   delay(gstab);
 
   delay(taua - POWER_DELAY - WFG_START_DELAY
         - pwHs - WFG_STOP_DELAY - POWER_DELAY 
         - gt4 - gstab - 2.0*POWER_DELAY);

   decpower(dpwr);  /* Set power for decoupling */
   dec2power(dpwr2);

/*   rcvron();  */          /* Turn on receiver to warm up before acq */ 

/* BEGIN ACQUISITION */

status(D);
   setreceiver(t9);

}
Ejemplo n.º 22
0
pulsesequence()
{

/* DECLARE VARIABLES */

char	pw11[MAXSTR],	    /* off resonance 1-1 type proton excitation pulse */
	URA[MAXSTR],				  /* Setup for U-imino - U-H6 */
	CYT[MAXSTR],				  /* Setup for C-imino - C-H6 */
	CP[MAXSTR],					  /* CP H->N transfer */
	INEPT[MAXSTR],				       /* INEPT H->N transfer */
	C13refoc[MAXSTR],                         /* C13 pulse in middle of t1*/
	f1180[MAXSTR];                        /* Flag to start t1 @ halfdwell */

int	t1_counter;

double      tau1,                                                /*  t1 delay */
	    lambda = 0.94/(4.0*getval("JCH")),        /* 1/4J C-H INEPT delay */
	    lambdaN = 0.94/(4.0*getval("JNH")),       /* 1/4J N-H INEPT delay */
            tCC = 1.0/(4.0*getval("JCC")),            /* 1/4J C-C INEPT delay */

        pwClvl = getval("pwClvl"),              /* coarse power for C13 pulse */
        pwC = getval("pwC"),          /* C13 90 degree pulse length at pwClvl */
        rfC,                      /* maximum fine power when using pwC pulses */
	compC = getval("compC"),  /* adjustment for C13 amplifier compression */

        pwNlvl = getval("pwNlvl"),                    /* power for N15 pulses */
        pwN = getval("pwN"),          /* N15 90 degree pulse length at pwNlvl */
        rfN,                      /* maximum fine power when using pwN pulses */
        compN = getval("compN"),  /* adjustment for N15 amplifier compression */

        tpwr = getval("tpwr"),    	               /* power for H1 pulses */
        pw = getval("pw"),               /* H1 90 degree pulse length at tpwr */
        rfH,                       /* maximum fine power when using pw pulses */
	compH = getval("compH"),   /* adjustment for H1 amplifier compression */


        tof_75,                  /* tof shifted to 7.5 ppm for H4-N4 transfer */
        tof_12,                   /* tof shifted to 12 ppm for H3-N3 transfer */

	dof_169,		 /* dof shifted to 169 ppm for N3-C4 transfer */
	dof_140,     /* dof shifted to 140 ppm for C4-C5-C6 transfer and DEC1 */

	dof2_97,       /* dof2 shifted to 97 ppm for H4-N4 and N4-C4 transfer */
        dof2_160,     /* dof2 shifted to 160 ppm for H3-N3 and N3-C4 transfer */

/* p_d is used to calculate the isotropic mixing */
        p_d,                 /* 50 degree pulse for DIPSI-3 at rfdC-rfdN-rfdH */
        rfdC,             /* fine C13 power for 1.9 kHz rf for 500MHz magnet  */
        rfdN,             /* fine N15 power for 1.9 kHz rf for 500MHz magnet  */
        rfdH,              /* fine H1 power for 1.9 kHz rf for 500MHz magnet  */
        ncyc_hn = getval("ncyc_hn"),  /* number of pulsed cycles in HN half-DIPSI-3 */
        ncyc_nc = getval("ncyc_nc"), /* number of pulsed cycles in NC DIPSI-3 */

	sw1 = getval("sw1"),
        grecov = getval("grecov"),

        pwHs = getval("pwHs"),         /* H1 90 degree pulse length at tpwrs */
        tpwrs,                   /* power for the pwHs ("rna_H2Osinc") pulse */

        pwHs2 = getval("pwHs2"),       /* H1 90 degree pulse length at tpwrs2 */
        tpwrs2,                           /* power for the pwHs2 square pulse */


  gzlvl0 = getval("gzlvl0"),
  gzlvl3 = getval("gzlvl3"),
  gt3 = getval("gt3"),
  gzlvl4 = getval("gzlvl4"),
  gt4 = getval("gt4"),
  gzlvl5 = getval("gzlvl5"),
  gt5 = getval("gt5"),
  gzlvlr = getval("gzlvlr");

  getstr("pw11",pw11);
  getstr("URA",URA);
  getstr("CYT",CYT);
  getstr("CP",CP);
  getstr("INEPT",INEPT);
  getstr("C13refoc",C13refoc);
  getstr("f1180",f1180);


/* LOAD PHASE TABLE */
 
	settable(t1,2,phi1);
	settable(t3,8,phi3);
	settable(t4,4,phi4);
	settable(t5,16,phi5);
  if ( CP[A] == 'y' )
	settable(t10,8,rec1);
  if ( INEPT[A] == 'y' )
	settable(t10,16,rec2);


/* INITIALIZE VARIABLES */

/* maximum fine power for pwC pulses */
        rfC = 4095.0;

/* maximum fine power for pwN pulses */
        rfN = 4095.0;

/* maximum fine power for pw pulses */
        rfH = 4095.0;

/* different offset values tof=H2O, dof=110ppm, dof2=200ppm */

	tof_75 = tof + 2.5*sfrq;        /* tof shifted to nH2 */
	tof_12 = tof + 7.0*sfrq;	/* tof shifted to nH */
	dof_169 = dof + 59*dfrq;	/* dof shifted to C4 */
	dof_140 = dof + 30*dfrq;	/* dof shifted to C6 */
	dof2_160 = dof2 - 40*dfrq2;	/* dof2 shifted to Nh */
	dof2_97 = dof2 - 103*dfrq2;     /* dof2 shifted to Nh2 */

/* 1.9 kHz DIPSI-3 at 500MHz*/
        p_d = (5.0)/(9.0*4.0*1900.0*(sfrq/500.0)); /* 1.9 kHz DIPSI-3 at 500MHz*/

/* fine C13 power for dipsi-3 isotropic mixing on C4 region */
        rfdC = (compC*4095.0*pwC*5.0)/(p_d*9.0);
        rfdC = (int) (rfdC + 0.5);

/* fine N15 power for dipsi-3 isotropic mixing on Nh region */
        rfdN = (compN*4095.0*pwN*5.0)/(p_d*9.0);
        rfdN = (int) (rfdN + 0.5);

/* fine H1 power for half dipsi-3 isotropic mixing on nH2 region */
        rfdH = (compH*4095.0*pw*5.0)/(p_d*9.0);
        rfdH = (int) (rfdH + 0.5);

/* selective H20 one-lobe sinc pulse */
        tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69));   /* needs 1.69 times more */
        tpwrs = (int) (tpwrs);                   /* power than a square pulse */

/* selective H20 square pulse */
        tpwrs2 = tpwr - 20.0*log10(pwHs2/(compH*pw));
        tpwrs2 = (int) (tpwrs2);

/* number of cycles and mixing time */
        ncyc_nc = (int) (ncyc_nc + 0.5);
	ncyc_hn = (int) (ncyc_hn + 0.5);

  if (ncyc_nc > 0 )
   {
        printf("NC-mixing time is %f ms.\n",(ncyc_nc*51.8*4*p_d));
   }

  if (CP[A] == 'y')
   {
    if (ncyc_hn > 0 )
        printf("HN-mixing time is %f ms.\n",(ncyc_hn*51.8*2*p_d));
   }

/* PHASES AND INCREMENTED TIMES */

/*  Phase incrementation for hypercomplex 2D data, States-Haberkorn element */

    if (phase1 == 2)
         tsadd(t1,1,4);

/* Calculate modifications to phases for States-TPPI acquisition          */

   if( ix == 1) d2_init = d2;
   t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
   if(t1_counter % 2)
        { tsadd(t1,2,4); tsadd(t10,2,4); }

/*  Set up f1180  */

    tau1 = d2;
    if((f1180[A] == 'y') && (ni > 1.0))
        { tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
    tau1 = tau1/2.0;


/* CHECK VALIDITY OF PARAMETER RANGE */


    if( sfrq > 610 )
        { printf("Power Levels at 750/800 MHz may be too high for probe");
          psg_abort(1); }

    if( dpwrf < 4095 )
        { printf("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
          psg_abort(1); }

    if( dpwrf2 < 4095 )
        { printf("reset dpwrf2=4095 and recalibrate N15 90 degree pulse");
          psg_abort(1); }

    if((dm[A] == 'y' || dm[B] == 'y'))
    {
        printf("incorrect dec1 decoupler flag! Should be 'nny' or 'nnn' ");
        psg_abort(1);
    }

    if((dm2[A] == 'y' || dm2[B] == 'y'))
    {
        printf("incorrect dec2 decoupler flags! Should be 'nnn' or 'nny' ");
        psg_abort(1);
    }

    if( ((dm[C] == 'y') && (dm2[C] == 'y') && (at > 0.18)) )
    {
        text_error("check at time! Don't fry probe !! ");
        psg_abort(1);
    }

    if( dpwr > 50 )
    {
        printf("don't fry the probe, DPWR too large!  ");
        psg_abort(1);
    }

   if( dpwr2 > 50 )
    {
        printf("don't fry the probe, DPWR2 too large!  ");
        psg_abort(1);
    }

    if( pw > 20.0e-6 )
    {
        printf("dont fry the probe, pw too high ! ");
        psg_abort(1);
    }

    if( pwC > 40.0e-6 )
    {
        printf("dont fry the probe, pwC too high ! ");
        psg_abort(1);
    }

    if( pwN > 100.0e-6 )
    {
        printf("dont fry the probe, pwN too high ! ");
        psg_abort(1);
    }

    if (gzlvlr > 500 || gzlvlr < -500)
    {
	text_error(" RDt1-gzlvlr must be -500 to 500 (0.5G/cm) \n");
	psg_abort(1);
    }

    if( (CP[A] == 'y') && (INEPT[A] == 'y') )
    {
        text_error("Choose either CP or INEPT for H->N transfer !! ");
        psg_abort(1);
    }

    if( ncyc_hn > 2 )
    {
        text_error("check H->N half-dipsi-3 time !! ");
        psg_abort(1);
    }

    if( ncyc_nc > 7 )
    {
        text_error("check N->C dipsi-3 time !! ");
        psg_abort(1);
    }

    if( (URA[A] == 'y') && (CYT[A] == 'y') )
    {
        text_error("Choose either URA or CYT !! ");
        psg_abort(1);
    }

    if( (URA[A] == 'n') && (CYT[A] == 'n') )
    {
        text_error("Do you really want to run this experiment ?? ");
        psg_abort(1);
    }

    if( (URA[A] == 'y') && (CP[A] == 'y') )
    {
        printf("Remember that CP covers just 3.8 ppm !!! ");
    }


/* BEGIN ACTUAL PULSE SEQUENCE */

status(A);

        rcvroff();

        obspower(tpwr);
	obspwrf(rfH);
	obsstepsize(0.5);
        decpower(pwClvl);
        decpwrf(rfC);
	decstepsize(0.5);
        dec2power(pwNlvl);
	dec2pwrf(rfN);
	dec2stepsize(0.5);

  if (URA[A] == 'y')
   {
        obsoffset(tof_12);	/* Set the proton frequency to U-nH */
        dec2offset(dof2_160);   /* Set the nitrogen frequency to U-Nh */
   }
  else if (CYT[A] == 'y')
   {
        obsoffset(tof_75);      /* Set the proton frequency to C-nH2 */
	dec2offset(dof2_97);    /* Set the nitrogen frequency to C-Nh2 */
   }
  else
   {
   }

        decoffset(dof_169);	/* Preset the carbon frequency for the NC-tocsy */

        txphase(zero);
        decphase(zero);
        dec2phase(zero);

        delay(d1);

        dec2rgpulse(pwN, zero, 0.0, 0.0);  /*destroy N15 and C13 magnetization*/
        decrgpulse(pwC, zero, 0.0, 0.0);
        zgradpulse(gzlvl0, 0.5e-3);
        delay(1.0e-4);
        dec2rgpulse(pwN, one, 0.0, 0.0);
        decrgpulse(pwC, one, 0.0, 0.0);
        zgradpulse(0.7*gzlvl0, 0.5e-3);
        delay(5.0e-4);

  if (CP[A] == 'y')
	initval(ncyc_hn,v12);

	initval(ncyc_nc,v11);

        txphase(t1);
        decphase(zero);
        dec2phase(zero);
        delay(5.0e-4);
        rcvroff();

  if(pw11[A] == 'y')
   {
        rgpulse(pw/2, t1, 50.0e-6, 0.0);
	if (URA[A] == 'y')
		delay(1/(2*(tof_12-tof)));
	else if (CYT[A] == 'y')
        	delay(1/(2*(tof_75-tof)));
	else
		delay(1/(2*(tof_75-tof)));
        rgpulse(pw/2, t1, 0.0, 0.0);
   }

  else
   {
	rgpulse(pw, t1, 50.0e-6, 0.0);
   }
	txphase(zero);

  if (C13refoc[A]=='y')
   {

        if (tau1 > (0.001-(2.0*GRADIENT_DELAY + pwN + 0.64*pw )))
        {
        zgradpulse(gzlvlr, 0.8*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw));
        delay(0.2*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw) );
        sim3pulse(0.0, 2.0*pwC, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
        zgradpulse(-1.0*gzlvlr, 0.8*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw));
        delay(0.2*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw));
        }
        else
        {
         if (tau1 > (0.001-(pwN + 0.64*pw )))
         {
          delay(tau1 - pwN - 0.64*pw );
          sim3pulse(0.0, 2.0*pwC, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
          delay(tau1 - pwN - 0.64*pw);
         }
         else
         {
          if (tau1 > (0.64*pw ))
           delay(2.0*tau1 - 2.0*0.64*pw );
         }
        }
   }
  else
   {
        if (tau1 > (0.001-(2.0*GRADIENT_DELAY + pwN + 0.64*pw )))
        {
        zgradpulse(gzlvlr, 0.8*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw));
        delay(0.2*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw) );
        dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
        zgradpulse(-1.0*gzlvlr, 0.8*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw));
        delay(0.2*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw));
        }
        else
        {
         if (tau1 > (0.001-(pwN + 0.64*pw )))
         {
          delay(tau1 - pwN - 0.64*pw );
          dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
          delay(tau1 - pwN - 0.64*pw);
         }
         else
         {
          if (tau1 > (0.64*pw ))
           delay(2.0*tau1 - 2.0*0.64*pw );
         }
        }
   }

  if (INEPT[A] == 'y')
   {
	delay(lambdaN);

	sim3pulse(2*pw, 0.0, 2*pwN, zero, zero, zero, 0.0, 0.0);
	dec2phase(t5);

	delay(lambdaN - SAPS_DELAY);

	sim3pulse(pw, 0.0, pwN, zero, zero, t5, 0.0, 0.0);
	dec2phase(zero);

	zgradpulse(gzlvl5,gt5);
	delay(lambdaN - SAPS_DELAY - gt5);

	sim3pulse(2*pw, 0.0, 2*pwN, one, zero, zero, 0.0, 0.0);

	zgradpulse(gzlvl5,gt5);
        delay(lambdaN - 2*SAPS_DELAY - gt5 - 2*POWER_DELAY);

        decpwrf(rfdC);          /* Set fine power for carbon */
        dec2pwrf(rfdN);         /* Set fine power for nitrogen */
   }

  else if (CP[A] == 'y')
   {
        obspwrf(rfdH);          /* Set fine power for proton */
        decpwrf(rfdC);          /* Preset fine power for carbon */
        dec2pwrf(rfdN);         /* Set fine power for nitrogen */
        delay(2.0e-6);
        starthardloop(v12);
    sim3pulse(6.4*p_d,0.0,6.4*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(8.2*p_d,0.0,8.2*p_d,two,two,two,0.0,0.0);
    sim3pulse(5.8*p_d,0.0,5.8*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(5.7*p_d,0.0,5.7*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.6*p_d,0.0,0.6*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(4.9*p_d,0.0,4.9*p_d,two,two,two,0.0,0.0);
    sim3pulse(7.5*p_d,0.0,7.5*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(5.3*p_d,0.0,5.3*p_d,two,two,two,0.0,0.0);
    sim3pulse(7.4*p_d,0.0,7.4*p_d,zero,zero,zero,0.0,0.0);

    sim3pulse(6.4*p_d,0.0,6.4*p_d,two,two,two,0.0,0.0);
    sim3pulse(8.2*p_d,0.0,8.2*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(5.8*p_d,0.0,5.8*p_d,two,two,two,0.0,0.0);
    sim3pulse(5.7*p_d,0.0,5.7*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.6*p_d,0.0,0.6*p_d,two,two,two,0.0,0.0);
    sim3pulse(4.9*p_d,0.0,4.9*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(7.5*p_d,0.0,7.5*p_d,two,two,two,0.0,0.0);
    sim3pulse(5.3*p_d,0.0,5.3*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(7.4*p_d,0.0,7.4*p_d,two,two,two,0.0,0.0);
        endhardloop();
   }
  
  else
   {
   }

	dec2phase(zero);
        decphase(zero);

	starthardloop(v11);
    sim3pulse(0.0,6.4*p_d,6.4*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,8.2*p_d,8.2*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,5.8*p_d,5.8*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,5.7*p_d,5.7*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,0.6*p_d,0.6*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,4.9*p_d,4.9*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,7.5*p_d,7.5*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,5.3*p_d,5.3*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,7.4*p_d,7.4*p_d,zero,zero,zero,0.0,0.0);

    sim3pulse(0.0,6.4*p_d,6.4*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,8.2*p_d,8.2*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,5.8*p_d,5.8*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,5.7*p_d,5.7*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,0.6*p_d,0.6*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,4.9*p_d,4.9*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,7.5*p_d,7.5*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,5.3*p_d,5.3*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,7.4*p_d,7.4*p_d,two,two,two,0.0,0.0);

    sim3pulse(0.0,6.4*p_d,6.4*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,8.2*p_d,8.2*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,5.8*p_d,5.8*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,5.7*p_d,5.7*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,0.6*p_d,0.6*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,4.9*p_d,4.9*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,7.5*p_d,7.5*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,5.3*p_d,5.3*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,7.4*p_d,7.4*p_d,two,two,two,0.0,0.0);

    sim3pulse(0.0,6.4*p_d,6.4*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,8.2*p_d,8.2*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,5.8*p_d,5.8*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,5.7*p_d,5.7*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,0.6*p_d,0.6*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,4.9*p_d,4.9*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,7.5*p_d,7.5*p_d,zero,zero,zero,0.0,0.0);
    sim3pulse(0.0,5.3*p_d,5.3*p_d,two,two,two,0.0,0.0);
    sim3pulse(0.0,7.4*p_d,7.4*p_d,zero,zero,zero,0.0,0.0);
	endhardloop();

	obspwrf(rfH);
	decpwrf(rfC);
	dec2pwrf(rfN);

	obsoffset(tof);
	decoffset(dof_140);

	txphase(zero);
	decphase(one);

	decrgpulse(pwC,one,0.0,0.0);   /* flip transferred 13C-magn. to z */
	decphase(t3);

	decrgpulse(pwC,t3,0.0,0.0);  /* flip transferred 13C-magnetization to x */
	decphase(zero);
	zgradpulse(gzlvl5,gt5);

	delay(tCC - SAPS_DELAY - gt5);
        decrgpulse(2*pwC,zero,0.0,0.0);
        zgradpulse(gzlvl5,gt5);
        delay(tCC - gt5);

	decrgpulse(pwC,zero,0.0,0.0);  /* flip transferred 13C-magnetization to x */
	decphase(zero);
	zgradpulse(gzlvl5,gt5);

	delay(tCC - SAPS_DELAY - gt5);
	decrgpulse(2*pwC,zero,0.0,0.0);  
	zgradpulse(gzlvl5,gt5);
	delay(tCC - gt5);

	decrgpulse(pwC,zero,0.0,0.0);  /* flip transferred 13C-magnetization to x */
	decphase(zero);
	delay(tCC - SAPS_DELAY);
	decrgpulse(2*pwC,zero,0.0,0.0);
	delay(tCC - lambda - pw);
	rgpulse(2*pw,zero,0.0,0.0);  /* Invert water signal */
	delay(lambda - pw);
	decrgpulse(pwC,zero,0.0,0.0);

	zgradpulse(gzlvl3,gt3);
	delay(grecov);

        txphase(zero);
        obspower(tpwrs);
        shaped_pulse("rna_H2Osinc", pwHs, zero, 5.0e-4, 0.0);
        obspower(tpwr);

	rgpulse(pw, zero, 2*rof1, 0.0);
	txphase(two);
	obspower(tpwrs2);
	
	zgradpulse(gzlvl4,gt4);
        delay(grecov - 2*SAPS_DELAY - 2*POWER_DELAY - GRADIENT_DELAY);

        rgpulse((lambda-grecov-gt4-pwC), two, 0.0, 0.0);
        simpulse(pwC,pwC,two,three,0.0,0.0);
        simpulse(2*pwC,2*pwC,two,zero,0.0,0.0);
        simpulse(pwC,pwC,two,three,0.0,0.0);
        rgpulse((pwHs2-2*pwC-(lambda-grecov-gt4-pwC)), two, 0.0, 0.0);

        txphase(zero);
        obspower(tpwr);
        rgpulse(2*pw, zero, 0.0, 0.0);
        txphase(two);
        obspower(tpwrs2);

        rgpulse(pwHs2, two, 0.0, 0.0);
        decphase(t4);

        zgradpulse(gzlvl4,gt4);
        delay(grecov-2*pwC-2*SAPS_DELAY - POWER_DELAY - GRADIENT_DELAY);

        decrgpulse(pwC,t4,0.0,0.0);
        decrgpulse(pwC,zero,0.0,0.0);
        dec2power(dpwr2);               /* 2*POWER_DELAY */
        decpower(dpwr);

status(C);
	rcvron();

 setreceiver(t10);
}
Ejemplo n.º 23
0
void pulsesequence()
{
   char   
          shname1[MAXSTR],
	  f1180[MAXSTR],
	  f2180[MAXSTR],
          CT_flg[MAXSTR],
          n15_flg[MAXSTR];

   int    icosel,
          t1_counter,
          t2_counter,
          ni2 = getval("ni2"),
          phase;


   double d2_init=0.0,
          d3_init=0.0,
          pwS1,pwS2,pwS3,pwS4,pwS5,pwS6,pwS7,max,
          kappa,
          lambda = getval("lambda"),
          gzlvl1 = getval("gzlvl1"),
          gzlvl2 = getval("gzlvl2"), 
          gzlvl3 = getval("gzlvl3"), 
          gzlvl4 = getval("gzlvl4"), 
          gzlvl5 = getval("gzlvl5"), 
          gzlvl6 = getval("gzlvl6"), 
          gt1 = getval("gt1"),
          gt3 = getval("gt3"),
          gt4 = getval("gt4"),
          gt5 = getval("gt5"),
          gt6 = getval("gt6"),
          gstab = getval("gstab"),
          tpwrsf = getval("tpwrsf"),
          shlvl1,
          shpw1 = getval("shpw1"),
          pwClvl = getval("pwClvl"),
          pwNlvl = getval("pwNlvl"),
          pwN = getval("pwN"),
          dpwr2 = getval("dpwr2"),
          d2 = getval("d2"),
          shbw = getval("shbw"),
          shofs = getval("shofs")-4.77,
          scale = getval("scale"),
          sw1 = getval("sw1"),
          timeTN = getval("timeTN"),
          timeTN1,
          Delta,
          t2a,t2b,halfT2,ctdelay,
          tauNCO = getval("tauNCO"),
          CTdelay = getval("CTdelay"),
          tauC = getval("tauC"),
          tau1, tau2,
          taunh = getval("taunh");



   getstr("shname1", shname1);
   getstr("CT_flg",CT_flg);
   getstr("n15_flg",n15_flg);
   getstr("f1180",f1180);
   getstr("f2180",f2180);



  phase = (int) (getval("phase") + 0.5);
   
   settable(t1,2,phi1);
   settable(t3,1,phi3);
   settable(t4,4,phi4);
   settable(t5,1,phi5);
   settable(t14,4,phi14);
   settable(t24,4,phi24);


/*   INITIALIZE VARIABLES   */

  timeTN1= timeTN-tauC;
  Delta = timeTN-tauC-tauNCO;

  //shpw1 = pw*8.0;
  shlvl1=tpwr;

   pwS1 = c13pulsepw("ca", "co", "square", 90.0);
   pwS2 = c13pulsepw("ca", "co", "square", 180.0);
   pwS3 = c13pulsepw("co", "ca", "sinc", 180.0);
   pwS7 = c13pulsepw("co", "ca", "sinc", 90.0);
   pwS4 = h_shapedpw("eburp2",shbw,shofs,zero, 0.0, 0.0);  
   pwS6 = h_shapedpw("reburp",shbw,shofs,zero, 0.0, 0.0);
   pwS5 = h_shapedpw("pc9f",shbw,shofs,zero, 2.0e-6, 0.0);



if (CT_flg[0] == 'y')
{
   if ( ni*1/(sw1)/2.0 > (CTdelay*0.5-gt3-1.0e-4))
       { printf(" ni is too big. Make ni equal to %d or less.\n",
         ((int)((CTdelay*0.5-gt3-1.0e-4)*2.0*sw1)));    psg_abort(1);}
}

  if (phase == 1) ;
  if (phase == 2) {tsadd(t1,1,4);}

if   ( phase2 == 2 )
        {
        tsadd ( t3,2,4  );
        tsadd ( t5,2,4  );
        icosel = +1;
        }
else icosel = -1;


/*  Set up f1180  */

    tau1 = d2;
    if((f1180[A] == 'y') && (ni > 1.0))
        { tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
   
   
/*  Set up f2180  */
   
    tau2 = d3;
    if((f2180[A] == 'y') && (ni2 > 1.0))
        { tau2 += ( 1.0 / (2.0*sw2) ); if(tau2 < 0.2e-6) tau2 = 0.0; }

/************************************************************/

   if( ix == 1) d2_init = d2;
   t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
   if(t1_counter % 2)
        { tsadd(t1,2,4); tsadd(t14,2,4); tsadd(t24,2,4); }
   
  if( ix == 1) d3_init = d3;
   t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
   if(t2_counter % 2)
        { tsadd(t4,2,4); tsadd(t14,2,4); tsadd(t24,2,4);  }
   
/************************************************************/
/* Set up CONSTANT/SEMI-CONSTANT time evolution in N15 */
/************************************************************/

   ctdelay = timeTN1-gt1-1.0e-4;
   // ctdelay = timeTN1-gt1-1.0e-4-2.0*GRADIENT_DELAY-4*POWER_DELAY-4*PWRF_DELAY-(4/PI)*pwN;
   if (ni2 > 1)
   {
   halfT2 = 0.5*(ni2-1)/sw2;
   t2b = (double) t2_counter*((halfT2 - ctdelay)/((double)(ni2-1)));
   if( ix==1 && halfT2 - timeTN > 0 ) printf("SCT mode on, max ni2=%g\n",timeTN*sw2*2+1);
    if(t2b < 0.0) t2b = 0.0;
   
    t2a = ctdelay - tau2*0.5 + t2b;
    if(t2a < 0.2e-6)  t2a = 0.0;
    }
    else
    {
    t2b = 0.0;
    t2a = ctdelay - tau2*0.5;
    }
/************************************************************/

   status(A);
      rcvroff();  

   decpower(pwClvl);
   decoffset(dof);
   dec2power(pwNlvl);
   dec2offset(dof2);
   obspwrf(tpwrsf);
   decpwrf(4095.0);
   obsoffset(tof);
   set_c13offset("co");


      dec2rgpulse(pwN*2.0,zero,0.0,0.0);
     zgradpulse(gzlvl4, gt4);
       delay(1.0e-4);

       delay(d1-gt4);
lk_hold();

        h_shapedpulse("pc9f",shbw,shofs,zero, 2.0e-6, 0.0);  

	delay(lambda-pwS5*0.5-pwS6*0.4); 

   	h_sim3shapedpulse("reburp",shbw,shofs,0.0,2.0*pwN, one, zero, zero, 0.0, 0.0);

	delay(lambda-pwS5*0.5-pwS6*0.4);

     if(n15_flg[0]=='y') h_shapedpulse("pc9f_",shbw,shofs,three, 0.0, 0.0);
     else h_shapedpulse("pc9f_",shbw,shofs,one, 0.0, 0.0);

           zgradpulse(gzlvl4, gt4*4.0);
           delay(1.0e-4);

   obspower(shlvl1);
/**************************************************************************/
/*   xxxxxxxxxxxxxxxxxxxxxx   N-> CA transfer           xxxxxxxxxxxxxxxxxx    */
/**************************************************************************/
      dec2rgpulse(pwN,zero,0.0,0.0);

           delay(timeTN1);

      sim3_c13pulse("", "ca", "co", "square", "", 0.0, 180.0, 2.0*pwN,
                                             zero, zero, zero, 2.0e-6, 2.0e-6);

           delay(Delta);
	c13pulse("co", "ca", "sinc", 180.0, zero, 0.0, 0.0);      
           delay(timeTN1-Delta-pwS3+pwN*4.0/3.0);

	c13pulse("co", "ca", "sinc", 90.0, zero, 0.0, 0.0);      
           delay(tauC);
        c13pulse("ca", "co", "square", 180.0, zero, 2.0e-6, 2.0e-6);
        sim3_c13pulse("", "co", "ca", "sinc", "", 0.0, 180.0, 2.0*pwN,
                                             zero, zero, zero, 2.0e-6, 2.0e-6);
           delay(tauC);
        c13pulse("ca", "co", "square", 180.0, zero, 2.0e-6, 2.0e-6);
	c13pulse("co", "ca", "sinc", 90.0, one, 0.0, 0.0);      
        

     dec2rgpulse(pwN,one,0.0,0.0);				     
/**************************************************************************/
/*   xxxxxxxxxxxxxxxxxxxxxx       13CA EVOLUTION        xxxxxxxxxxxxxxxxxx    */
/**************************************************************************/
        set_c13offset("ca");

        c13pulse("ca", "co", "square", 90.0, t1, 2.0e-6, 0.0);
   if(CT_flg[0]=='y')
   {
        delay(tau1*0.5);
         sim3_c13pulse(shname1, "co", "ca", "sinc", "", shpw1, 180.0, 2.0*pwN,
                                             zero, zero, zero, 2.0e-6, 2.0e-6);
        zgradpulse(gzlvl3, gt3);
        delay(1.0e-4);
        delay(CTdelay*0.5-gt3-1.0e-4);
        c13pulse("cab", "co", "square", 180.0, zero, 2.0e-6, 2.0e-6);
        delay(CTdelay*0.5-gt3-1.0e-4-tau1*0.5);
         sim3_c13pulse(shname1, "co", "ca", "sinc", "", shpw1, 180.0, 2.0*pwN,
                                             zero, zero, zero, 2.0e-6, 2.0e-6);
        zgradpulse(gzlvl3, gt3);
        delay(1.0e-4);
   }
   else
   {
        delay(tau1*0.5);
        sim3_c13pulse(shname1, "co", "ca", "sinc", "", shpw1, 180.0, 2.0*pwN,
                                             zero, zero, zero, 2.0e-6, 2.0e-6);
        zgradpulse(gzlvl3, gt3);
        delay(1.0e-4);
        delay(tau1*0.5);

        c13pulse("ca", "co", "square", 180.0, zero, 2.0e-6, 2.0e-6);
        sim3_c13pulse(shname1, "co", "ca", "sinc", "", shpw1, 180.0, 2.0*pwN,
                                             zero, zero, zero, 2.0e-6, 2.0e-6);
        zgradpulse(gzlvl3, gt3);
        delay(1.0e-4);
   }
        c13pulse("ca", "co", "square", 90.0, zero, 0.0, 0.0);

        set_c13offset("co");

/**************************************************************************/
/*   xxxxxxxxxxxxxxxxxxxxxx   N-> CA back transfer     xxxxxxxxxxxxxxx    */
/**************************************************************************/
   obspower(shlvl1);

     dec2rgpulse(pwN,t4,0.0,0.0);

	c13pulse("co", "ca", "sinc", 90.0, one, 0.0, 0.0);      
        c13pulse("ca", "co", "square", 180.0, zero, 2.0e-6, 2.0e-6);
           delay(tauC);
        sim3_c13pulse("", "co", "ca", "sinc", "", 0.0, 180.0, 2.0*pwN,
                                             zero, zero, zero, 2.0e-6, 2.0e-6);
        c13pulse("ca", "co", "square", 180.0, zero, 2.0e-6, 2.0e-6);
           delay(tauC);
	c13pulse("co", "ca", "sinc", 90.0, zero, 0.0, 0.0);      

 	 // delay(timeTN1-Delta+tau2*0.5-pwS2-pwS3);
 	 delay(timeTN1-Delta+tau2*0.5-pwS2-pwS3-2.0*GRADIENT_DELAY+4*POWER_DELAY+4*PWRF_DELAY);
	c13pulse("co", "ca", "sinc", 180.0, zero, 0.0, 0.0);      
           delay(Delta);
	c13pulse("ca", "co", "square", 180.0, zero, 0.0, 0.0);      
           delay (t2b);
        dec2rgpulse (2.0*pwN, zero, 0.0, 0.0);
       zgradpulse(gzlvl1, gt1);
           delay(1.0e-4);
           delay (t2a);

/**************************************************************************/
/**  gradient-selected TROSY sequence                             *********/
/**************************************************************************/
        delay(gt1/10.0+1.0e-4);
        h_shapedpulse("eburp2_",shbw,shofs,t3, 2.0e-6, 0.0);

        zgradpulse(gzlvl5, gt5);
        delay(lambda-pwS6*0.5-pwS4*scale- gt5);

        h_sim3shapedpulse("reburp",shbw,shofs,0.0,2.0*pwN, zero, zero, zero, 0.0, 0.0);

        zgradpulse(gzlvl5, gt5);
        delay(lambda-pwS6*0.5-pwS4*scale- gt5);

        h_shapedpulse("eburp2",shbw,shofs,zero, 0.0, 0.0);
        delay(gt1/10.0+1.0e-4);

        dec2rgpulse(pwN,one,0.0,0.0);

        zgradpulse(gzlvl6, gt6);

        txphase(zero);
        delay(lambda-pwS6*0.5-gt6);

        h_sim3shapedpulse("reburp",shbw,shofs,0.0,2.0*pwN, zero, zero, zero, 0.0, 0.0);
        zgradpulse(gzlvl6, gt6);

        delay(lambda-pwS6*0.5-gt6);

        dec2rgpulse(pwN,t5,0.0,0.0);
/**************************************************************************/

        zgradpulse(-icosel*gzlvl2, gt1/10.0);

	dec2power(dpwr2);
lk_sample();
 if (n15_flg[0] =='y')
{
   setreceiver(t14);
}
else
{
   setreceiver(t24);
}
      rcvron();  
statusdelay(C,1.0e-4 );

}		 
Ejemplo n.º 24
0
pulsesequence()

{

/* DECLARE VARIABLES */	

char	scuba[MAXSTR],	
	mess_flg[MAXSTR],
	imino[MAXSTR],
	amino[MAXSTR],
	jumpret[MAXSTR],
	C13refoc[MAXSTR];

int	phase,
	t1_counter;

double	hscuba,		/* length of 1/2 SCUBA delay 	*/
	taunh,		/* 1/4J(NH)			*/
	tofps,		/* water frequency		*/
	tpwrmess,	/* power level for Messerlie purge */
	dly_pg,		/* Messerlie purge delay	*/
	pwClvl,		/* power level for 13C hard pulse */
	pwNlvl,		/* power level for 15N hard pulse */
	pwC,		/* pulse width for 13C hard pulse */
	pwN,		/* pulse width for 15N hard pulse */
	JNH,		/* coupling for NH		*/
	diff,		/* freq diff H2O & exit center	*/
	dof2a,		/* offset for imino/amino	*/
	tau1,		/* t1/2				*/
	grecov,		/* gradient recovery time 	*/
	gzlvl0,		/* level of grad. for purge	*/
	gzlvl1,		/* level of grad. for 1/2J	*/
	gt1,		/* grad. duration for 1/2J	*/
	gzlvlr;		/* level of RDt1-gradient (0.5G) */

/* LOAD VARIABLES */

	JNH	= getval("JNH");
	diff	= getval("diff");
	pwC	= getval("pwC");
	pwN	= getval("pwN");
	tofps	= getval("tofps");
	tpwrmess= getval("tpwrmess");
	dly_pg	= getval("dly_pg");
	pwClvl	= getval("pwClvl");
	pwNlvl	= getval("pwNlvl");
	hscuba	= getval("hscuba");
	phase	= (int)(getval("phase") + 0.5);
	sw1	= getval("sw1");
	at	= getval("at");
	grecov	= getval("grecov");
	gt1	= getval("gt1");
	gzlvl0	= getval("gzlvl0");
	gzlvl1	= getval("gzlvl1");
	gzlvlr  = getval("gzlvlr");

	getstr("scuba",scuba);
	getstr("mess_flg",mess_flg);
	getstr("imino",imino);
	getstr("amino",amino);
        getstr("jumpret",jumpret);
	getstr("C13refoc",C13refoc);

/* CHECK VALIDITY OF PARAMETER RANGE */

  if (dm[A] == 'y' || dm[B] == 'y')
   {
	printf(" dm must be 'nny' or 'nnn' ");
	psg_abort(1);
   }

  if ((dm[C] == 'y' || dm2[C] == 'y') && at > 0.21)
   {
	printf(" check at time! Don't fry probe \n");
	psg_abort(1);
   }

  if (dm2[A] == 'y' || dm2[B] == 'y')
   {
	printf(" dm2 must be 'nny' or 'nnn' ");
	psg_abort(1);
   }

  if ( ((imino[A]=='y') && (amino[A]=='y')) )
   {
        printf(" Choose  ONE  of  imino='y'  OR  amino='y' ");
        psg_abort(1);
   }

  if ((satmode[A] == 'y') && (jumpret[A] == 'y'))
   {
	printf(" Choose EITHER presat (satmode='y') OR Jump-Return (jumpret='y') \n");
	psg_abort(1);
   }

  if (satpwr > 12)
   {
	printf(" satpwr must be less than 13 \n");
	psg_abort(1);
   }

  if (tpwrmess > 55)
   {
	printf(" tpwrmess must be less than 55 \n");
	psg_abort(1);
   }

  if (dly_pg > 0.010)
   {
	printf(" dly_pg must be less than 10msec \n");
	psg_abort(1);
   }

  if (dpwr > 50)
   {
	printf(" dpwr must be less than 49 \n");
	psg_abort(1);
   }

  if (dpwr2 > 50)
   {
	printf(" dpwr2 must be less than 46 \n");
	psg_abort(1);
   }

  if (gt1 > 5.0e-3)
   {
	printf(" gti must be less than 5msec \n");
	psg_abort(1);
   }

  if (gzlvl0 > 32768 || gzlvl1 > 32768 || gzlvl0 < -32768 || gzlvl1 < -32768)
   {
	printf(" gzlvli must be -32768 to 32768 (30G/cm) \n");
	psg_abort(1);
   }

  if (gzlvlr > 500 || gzlvlr < -500) 
   {
        printf(" RDt1-gzlvlr must be -500 to 500 (0.5G/cm) \n");
        psg_abort(1);
   }

/* LOAD PHASE PARAMETERS */

	settable(t1, 8, phi1);
	settable(t2, 2, phi2);
	settable(t3, 8, phi3);
	settable(t4, 1, phi4);
	settable(t5, 8, rec);

/* INITIALIZE VARIABLES */

	taunh = ((JNH != 0.0) ? 1/(4*(JNH)) : 2.78e-3);

	dof2a = dof2;
/* IMINO-region setting of dof2 */
	if (imino[A] == 'y')
		dof2a = dof2 - 45*dfrq2;

/* AMINO-region setting of dof2 */
	else if (amino[A] == 'y')
		dof2a = dof2 - 115*dfrq2;

/* Phase incrementation for hyper complex data in t1 */

  if (phase == 2)
	tsadd(t2, 1, 4);

/* Calculate modification to phase based on current t1 values: States - TPPI acquisition    */

  if( ix == 1)
	d2_init = d2;

	t1_counter = (int) ((d2 - d2_init)*sw1 + 0.5);

  if (t1_counter %2)
   {
	tsadd(t2, 2, 4);
	tsadd(t5, 2, 4);
   }

/* Set up so that you get (90, -180) phase correction in F1 */

	tau1 = d2;
	tau1 = tau1 -(4.0/PI)*pwN;
        tau1 = tau1 / 2.0;


/* BEGIN ACTUAL PULSE SEQUENCE */

status(A);

	obspower(satpwr);	/* Set power for presaturation	*/
	decpower(pwClvl);	/* Set DEC1 power to pwClvl	*/
	dec2power(pwNlvl);	/* Set DEC2 power to pwNlvl	*/

	obsoffset(tof);
	decoffset(dof);
	dec2offset(dof2a);


  if (mess_flg[A] == 'y')	/* Option for Messerlie purge */
   {
	obsoffset(tofps);
	obspower(tpwrmess);
	txphase(zero);
	xmtron();
	delay(dly_pg);
	xmtroff();
	txphase(one);
	xmtron();
	delay(dly_pg/1.62);
	xmtroff();
	obsoffset(tof);
	obspower(satpwr);
   }

  if (satmode[A] == 'y')		/* Presaturation Period */
   {
	txphase(zero);
	xmtron();		/* presaturation using transmitter	*/
	delay(d1);
	xmtroff();
	obspower(tpwr);		/* set power for hard pulse	*/

  if (scuba[A] == 'y')		/* SCUBA pulse	*/
   {
	hsdelay(hscuba);
	rgpulse(pw, zero, rof1, 0.0);
	rgpulse(2*pw, one, rof1, 0.0);
	rgpulse(pw, zero, rof1, 0.0);
	delay(hscuba);
   }
   }

  else 
   {
	obspower(tpwr);
	delay(d1);
   }

        dec2rgpulse(pwN,zero, 0.0, 0.0); /* destroy N15 magnetization */
        zgradpulse(gzlvl0, 0.5e-3);
        delay(1.0e-4);
        dec2rgpulse(pwN, one, 0.0, 0.0);
        zgradpulse(0.7*gzlvl0, 0.5e-3);
        decphase(t2);
        delay(grecov);

status(B);

  if (jumpret[A] == 'y')
   {
	rgpulse(pw, zero, rof1, rof1);	/* jump-return pulse */
	delay(0.25 / diff - 2.0*rof1);
	rgpulse(pw, two, rof1, rof1);
   }

  else
        rgpulse(pw, zero, rof1, rof1);

        zgradpulse(gzlvl1,gt1);
        delay(taunh - gt1 - 2.0*GRADIENT_DELAY );	/* delay = 1.0/2J(NH) */
        delay(taunh);
	dec2rgpulse(pwN, t2, 0.0, 0.0);
	dec2phase(t4);

 if (jumpret[A] == 'y')
  {
         tau1 = tau1-(pw+rof1+0.25/diff) ;
         if (tau1 < 0.0)  tau1 = 0.0;
      
        if (tau1 > 0.001)
         {
              zgradpulse(gzlvlr,(0.4*tau1-2.0*GRADIENT_DELAY));  /* delay = t1/2 */
              delay(0.1*tau1);
              zgradpulse(-gzlvlr,(0.4*tau1-2.0*GRADIENT_DELAY));
              delay(0.1*tau1);
         }
        else
             delay(tau1);				/* delay = t1/2 */
	rgpulse(pw, t1, rof1, rof1);

	if (C13refoc[A] == 'y')
	{
	delay((0.25 / diff) - pwC -rof1 );
	decrgpulse(2*pwC, zero, 0.0, 0.0);
	delay((0.25 / diff) - pwC -rof1) ;
   	}

  	else
   	{
	delay(0.25 / diff);
	delay(0.25 / diff);
   	}
	rgpulse(pw, t3, rof1, rof1);
        txphase(zero);
     if (tau1 > 0.001)
      {
        zgradpulse(gzlvlr,(0.4*tau1-2.0*GRADIENT_DELAY));  /* delay = t1/2 */
        delay(0.1*tau1);
        zgradpulse(-gzlvlr,(0.4*tau1-2.0*GRADIENT_DELAY));
        delay(0.1*tau1);
      }
     else
        delay(tau1);                               /* delay = t1/2 */
  }
else
  {
     if (C13refoc[A] == 'y')
         tau1 = tau1-(pwC+rof1) ;
     else
         tau1 = tau1-(pw+rof1) ;

     if (tau1 < 0.0)  tau1 = 0.0;
     if (tau1 > 0.001)
      {
        zgradpulse(gzlvlr,(0.4*tau1-2.0*GRADIENT_DELAY));  /* delay = t1/2 */
        delay(0.1*tau1);
        zgradpulse(-gzlvlr,(0.4*tau1-2.0*GRADIENT_DELAY));
        delay(0.1*tau1);
      }
     else
	delay(tau1);				/* delay = t1/2 */

     if (C13refoc[A] == 'y')
       simpulse(2*pw, 2*pwC, t1, zero, rof1, rof1);
     else
       rgpulse(2*pw, t1, rof1, rof1);
      txphase(zero);
	 
     if (tau1 > (4.0*GRADIENT_DELAY + 0.64*pw + rof1))
      {
        if (tau1 > 0.001)
        {
         zgradpulse(gzlvlr,(0.4*tau1-2.0*GRADIENT_DELAY));  /* delay = t1/2 */
         delay(0.1*tau1);
         zgradpulse(-gzlvlr,(0.4*tau1-2.0*GRADIENT_DELAY));
         delay(0.1*tau1);
        }
        else
         delay(tau1);
      }
     else
        delay(tau1);                               /* delay = t1/2 */
}
	dec2rgpulse(pwN, t4, 0.0, 0.0);

	zgradpulse(gzlvl1,gt1);
	decpower(dpwr);			/* low power for decoupling */
	dec2power(dpwr2);
	delay(taunh - gt1 - 2.0*GRADIENT_DELAY-2.0*POWER_DELAY);		/* delay = 1/2J(NH) */
        delay(taunh);
status(C);

	setreceiver(t5);
}
Ejemplo n.º 25
0
pulsesequence()
{



/* DECLARE AND LOAD VARIABLES */

char        f1180[MAXSTR],   		      /* Flag to start t1 @ halfdwell */
            f2180[MAXSTR],    		      /* Flag to start t2 @ halfdwell */
            mag_flg[MAXSTR],      /* magic-angle coherence transfer gradients */
 	    SCT[MAXSTR],    /* Semi-constant time flag for N-15 evolution */
	    CT_c[MAXSTR],            /* Constant time flag for C-13 evolution */
 	    TROSY[MAXSTR];			    /* do TROSY on N15 and H1 */
 
int         icosel,          			  /* used to get n and p type */
            t1_counter,  		        /* used for states tppi in t1 */
            t2_counter,  	 	        /* used for states tppi in t2 */
            PRexp,                          /* projection-reconstruction flag */
	    ni2 = getval("ni2");

double      tau1,         				         /*  t1 delay */
            tau2,        				         /*  t2 delay */
	    tauC = getval("tauC"), 	      /* delay for CO to Ca evolution */
            timeTN = getval("timeTN"),     /* constant time for 15N evolution */
	    timeTC = getval("timeTC"),     /* constant time for 13C evolution */
	    t2a=0.0, t2b=0.0, halfT2=0.0, CTdelay=0.0,
	    kappa = 5.4e-3,
	    lambda = 2.4e-3,
            
	pwClvl = getval("pwClvl"), 	        /* coarse power for C13 pulse */
        pwC = getval("pwC"),          /* C13 90 degree pulse length at pwClvl */
	rf0,            	  /* maximum fine power when using pwC pulses */

/* 90 degree pulse at Ca (56ppm), first off-resonance null at CO (174ppm)     */
        pwC1,		              /* 90 degree pulse length on C13 at rf1 */
        rf1,		       /* fine power for 4.7 kHz rf for 600MHz magnet */

/* 180 degree pulse at Ca (56ppm), first off-resonance null at CO(174ppm)     */
        pwC2,		                    /* 180 degree pulse length at rf2 */
        rf2,		      /* fine power for 10.5 kHz rf for 600MHz magnet */

/* the following pulse lengths for SLP pulses are automatically calculated    */
/* by the macro "proteincal".  SLP pulse shapes, "offC6" etc are called     */
/* directly from your shapelib.                    			      */
   pwC3 = getval("pwC3"),  /*180 degree pulse at Ca(56ppm) null at CO(174ppm) */
   pwC6 = getval("pwC6"),     /* 90 degree selective sinc pulse on CO(174ppm) */
   pwC8 = getval("pwC8"),    /* 180 degree selective sinc pulse on CO(174ppm) */
   pwC9 = getval("pwC9"),    /* 180 degree selective sinc pulse on CO(174ppm) */
   phshift9,             /* phase shift induced on Ca by pwC9 ("offC9") pulse */
   pwZ,					   /* the largest of pwC9 and 2.0*pwN */
   pwZ1,                 /* the larger of pwC8 and 2.0*pwN for 1D experiments */
   rf3,	                           /* fine power for the pwC3 ("offC3") pulse */
   rf6,	                           /* fine power for the pwC6 ("offC6") pulse */
   rf8,	                           /* fine power for the pwC8 ("offC8") pulse */
   rf9,	                           /* fine power for the pwC9 ("offC9") pulse */

   dofCO,			       /* channel 2 offset for most CO pulses */
	
   compH = getval("compH"),       /* adjustment for C13 amplifier compression */
   compC = getval("compC"),       /* adjustment for C13 amplifier compression */

   	pwHs = getval("pwHs"),	        /* H1 90 degree pulse length at tpwrs */
   	tpwrsf = getval("tpwrsf"),    /* fine power adjustment for flipback   */
   	tpwrs,	  	              /* power for the pwHs ("H2Osinc") pulse */

        csa, sna,
        pra = M_PI*getval("pra")/180.0,
   	pwHd,	    		        /* H1 90 degree pulse length at tpwrd */
   	tpwrd,	  	                           /* rf for WALTZ decoupling */

        waltzB1 = getval("waltzB1"),  /* waltz16 field strength (in Hz)     */
	pwNlvl = getval("pwNlvl"),	              /* power for N15 pulses */
        pwN = getval("pwN"),          /* N15 90 degree pulse length at pwNlvl */

	sw1 = getval("sw1"),
	sw2 = getval("sw2"),

	gt1 = getval("gt1"),  		       /* coherence pathway gradients */
        gzcal  = getval("gzcal"),            /* g/cm to DAC conversion factor */
	gzlvl1 = getval("gzlvl1"),
	gzlvl2 = getval("gzlvl2"),

	gt0 = getval("gt0"),				   /* other gradients */
	gt3 = getval("gt3"),
	gt4 = getval("gt4"),
	gt5 = getval("gt5"),
	gt7 = getval("gt7"),
	gt9 = getval("gt9"),
	gt10 = getval("gt10"),
	gstab = getval("gstab"),
	gzlvl0 = getval("gzlvl0"),
	gzlvl3 = getval("gzlvl3"),
	gzlvl4 = getval("gzlvl4"),
	gzlvl5 = getval("gzlvl5"),
	gzlvl6 = getval("gzlvl6"),
	gzlvl7 = getval("gzlvl7"),
	gzlvl8 = getval("gzlvl8"),
	gzlvl9 = getval("gzlvl9"),
	gzlvl10 = getval("gzlvl10");

    getstr("f1180",f1180);
    getstr("f2180",f2180);
    getstr("mag_flg",mag_flg);
    getstr("SCT",SCT);
    getstr("CT_c",CT_c);
    getstr("TROSY",TROSY);

/*   LOAD PHASE TABLE    */
     
	settable(t3,2,phi3);
	settable(t4,1,phx);
	settable(t5,4,phi5);
   if (TROSY[A]=='y')
       {settable(t8,1,phy);
	settable(t9,1,phx);
 	settable(t10,1,phy);
	settable(t11,1,phx);
	settable(t12,4,recT);}
    else
       {settable(t8,1,phx);
	settable(t9,8,phi9);
	settable(t10,1,phx);
	settable(t11,1,phy);
	settable(t12,4,rec);}




/*   INITIALIZE VARIABLES   */

    if( dpwrf < 4095 )
	{ printf("reset dpwrf=4095 and recalibrate C13 90 degree pulse");
	  psg_abort(1); }

    /* offset during CO pulses, except for t1 evolution period */	
	dofCO = dof + 118.0*dfrq;

    /* maximum fine power for pwC pulses */
	rf0 = 4095.0;

     /* 90 degree pulse on Ca, null at CO 118ppm away */
       pwC1 = sqrt(15.0)/(4.0*118.0*dfrq);
        rf1 = 4095.0*(compC*pwC)/pwC1;
        rf1 = (int) (rf1 + 0.5);

    /* 180 degree pulse on Ca, null at CO 118ppm away */
        pwC2 = sqrt(3.0)/(2.0*118.0*dfrq);
	rf2 = (compC*4095.0*pwC*2.0)/pwC2;
        rf2 = (int) (rf2 + 0.5);
        if( rf2 > 4095.0 )
       { printf("increase pwClvl so that C13 90 < 24us*(600/sfrq)"); psg_abort(1);}

    /* 180 degree pulse on Ca, null at CO 118ppm away */
	rf3 = (compC*4095.0*pwC*2.0)/pwC3;
	rf3 = (int) (rf3 + 0.5);

    /* 90 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
	rf6 = (compC*4095.0*pwC*1.69)/pwC6;	/* needs 1.69 times more     */
	rf6 = (int) (rf6 + 0.5);		/* power than a square pulse */

    /* 180 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
	rf8 = (compC*4095.0*pwC*2.0*1.65)/pwC8;	/* needs 1.65 times more     */
	rf8 = (int) (rf8 + 0.5);		/* power than a square pulse */

    /* 180 degree one-lobe sinc pulse on CO, null at Ca 118ppm away */
	rf9 = (compC*4095.0*pwC*2.0*1.65)/pwC8;	/* needs 1.65 times more     */
	rf9 = (int) (rf9 + 0.5);		/* power than a square pulse */

    /* the pwC9 pulse at the middle of t1  */
        if ((ni2 > 0.0) && (ni == 1.0)) ni = 0.0;
        if (pwC8 > 2.0*pwN) pwZ = pwC8; else pwZ = 2.0*pwN;
        if ((pwC9==0.0) && (pwC8>2.0*pwN)) pwZ1=pwC8-2.0*pwN; else pwZ1=0.0;
	if ( ni > 1 )     pwC9 = pwC8;
	if ( pwC9 > 0 )   phshift9 = 140.0;
	else              phshift9 = 0.0;
	
    /* selective H20 one-lobe sinc pulse */
    tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69)); /* needs 1.69 times more */
    tpwrs = (int) (tpwrs);                       /* power than a square pulse */

    /* power level and pulse time for WALTZ 1H decoupling */
	pwHd = 1/(4.0 * waltzB1) ;                              /* 7.5 kHz rf   */
	tpwrd = tpwr - 20.0*log10(pwHd/(compH*pw));
	tpwrd = (int) (tpwrd + 0.5);
 
/* set up Projection-Reconstruction experiment */
 
    tau1 = d2; tau2 = d3; 
    PRexp=0; csa = 1.0; sna = 0.0;   
    if((pra > 0.0) && (pra < 90.0)) /* PR experiments */
    {
      PRexp = 1;
      csa = cos(pra); 
      sna = sin(pra);
      tau1 = d2*csa;  
      tau2 = d2*sna;
    }

/* CHECK VALIDITY OF PARAMETER RANGES */

    if(SCT[A] == 'n')
    {
      if (PRexp) 
      {
        if( 0.5*ni*sna/sw1 > timeTN - WFG3_START_DELAY)
          { printf(" ni is too big. Make ni equal to %d or less.\n",
          ((int)((timeTN - WFG3_START_DELAY)*2.0*sw1/sna)));         psg_abort(1);}
      }
      else 
      {
        if ( 0.5*ni2*1/(sw2) > timeTN - WFG3_START_DELAY)
         { printf(" ni2 is too big. Make ni2 equal to %d or less.\n", 
           ((int)((timeTN - WFG3_START_DELAY)*2.0*sw2)));              psg_abort(1);}
      }
    }

    if(CT_c[A] == 'y')
    {
      if ( 0.5*ni*csa/sw1 > timeTC)
       { printf(" ni is too big. Make ni less than %d or less.\n", 
         ((int)(timeTC*2.0*sw1/csa - 4e-6 - SAPS_DELAY)));           psg_abort(1);} 	 	                                  
    }

    if ( tauC < (gt7+1.0e-4+0.5*10.933*pwC))  gt7=(tauC-1.0e-4-0.5*10.933*pwC);

    if ( dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' )
       { printf("incorrect dec1 decoupler flags! Should be 'nnn' "); psg_abort(1);}

    if ( dm2[A] == 'y' || dm2[B] == 'y' )
       { printf("incorrect dec2 decoupler flags! Should be 'nny' "); psg_abort(1);}

    if ( dm3[A] == 'y' || dm3[C] == 'y' )
       { printf("incorrect dec3 decoupler flags! Should be 'nyn' or 'nnn' ");
							             psg_abort(1);}	
    if ( dpwr2 > 50 )
       { printf("dpwr2 too large! recheck value  ");		     psg_abort(1);}

    if ( pw > 20.0e-6 )
       { printf(" pw too long ! recheck value ");	             psg_abort(1);} 
  
    if ( pwN > 100.0e-6 )
       { printf(" pwN too long! recheck value ");	             psg_abort(1);} 
 
    if ( TROSY[A]=='y' && dm2[C] == 'y')
       { text_error("Choose either TROSY='n' or dm2='n' ! ");        psg_abort(1);}



/* PHASES AND INCREMENTED TIMES */

/*  Phase incrementation for hypercomplex 2D data, States-Haberkorn element */

    if (phase1 == 2)   tsadd(t3,1,4);  
    if (TROSY[A]=='y')
	 {  if (phase2 == 2)   				      icosel = +1;
            else 	    {tsadd(t4,2,4);  tsadd(t10,2,4);  icosel = -1;}
	 }
    else {  if (phase2 == 2)  {tsadd(t10,2,4); icosel = +1;}
            else 			       icosel = -1;    
	 }

/* Calculate modifications to phases for States-TPPI acquisition          */

   if( ix == 1) d2_init = d2;
   t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
   if(t1_counter % 2) 
	{ tsadd(t3,2,4); tsadd(t12,2,4); }

   if( ix == 1) d3_init = d3;
   t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
   if(t2_counter % 2) 
	{ tsadd(t8,2,4); tsadd(t12,2,4); }

/* Set up CONSTANT/SEMI-CONSTANT time evolution in N15 */

    halfT2 = 0.0;  
    CTdelay = timeTN + pwC8 + WFG_START_DELAY - SAPS_DELAY;

    if(ni>1)                
    {
      if(f1180[A] == 'y')     /*  Set up f1180 */
        tau1 += 0.5*csa/sw1;  /* if not PRexp then csa = 1.0 */
      if(PRexp)
      {
        halfT2 = 0.5*(ni-1)/sw1;  /* ni2 is not defined */
        if(f1180[A] == 'y') 
        { tau2 += 0.5*sna/sw1; halfT2 += 0.25*sna/sw1; }
        t2b = (double) t1_counter*((halfT2 - CTdelay)/((double)(ni-1)));
      }
    }
    if (ni2>1)
    {
      halfT2 = 0.5*(ni2-1)/sw2;
      if(f2180[A] == 'y')        /*  Set up f2180  */
      { tau2 += 0.5/sw2; halfT2 += 0.25/sw2; }
      t2b = (double) t2_counter*((halfT2 - CTdelay)/((double)(ni2-1)));
    }
    tau1 = tau1/2.0;
    tau2 = tau2/2.0;
    if(tau1 < 0.2e-6) tau1 = 0.0; 
    if(tau2 < 0.2e-6) tau2 = 0.0; 

    if(t2b < 0.0) t2b = 0.0;
    t2a = CTdelay - tau2 + t2b;
    if(t2a < 0.2e-6)  t2a = 0.0;

/* uncomment these lines to check t2a and t2b 
    printf("%d: t2a = %.12f", t2_counter,t2a);
    printf(" ; t2b = %.12f\n", t2b);
*/


/* BEGIN PULSE SEQUENCE */

status(A);
   	delay(d1);
        if ( dm3[B] == 'y' )
          { lk_hold(); lk_sampling_off();}  /*freezes z0 correction, stops lock pulsing*/
 
	rcvroff();
	obspower(tpwr);
	decpower(pwClvl);
 	dec2power(pwNlvl);
	decpwrf(rf0);
	obsoffset(tof);
	decoffset(dofCO);
	txphase(zero);
   	delay(1.0e-5);

       if (TROSY[A] == 'n')
	dec2rgpulse(pwN, zero, 0.0, 0.0);  /*destroy N15 and C13 magnetization*/
	decrgpulse(pwC, zero, 0.0, 0.0);
	zgradpulse(-gzlvl0, 0.5e-3);
	delay(1.0e-4);
       if (TROSY[A] == 'n')
	dec2rgpulse(pwN, one, 0.0, 0.0);
	decrgpulse(pwC, zero, 0.0, 0.0);
	zgradpulse(-0.7*gzlvl0, 0.5e-3);
	delay(5.0e-4);

  	rgpulse(pw, zero, 0.0, 0.0);                   /* 1H pulse excitation */

   	dec2phase(zero);
	zgradpulse(gzlvl0, gt0);
	delay(lambda - gt0);

   	sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);

   	txphase(one);
	zgradpulse(gzlvl0, gt0);
	delay(lambda - gt0);

 	rgpulse(pw, one, 0.0, 0.0);
    if (tpwrsf < 4095.0) 
     {obspwrf(tpwrsf);
        obspower(tpwrs+6.0);}                 /* increases tpwrs by 6dB, now need */
     else
        obspower(tpwrs);
                                          /* tpwrsf to be ~ 2048 for equivalence */

if (TROSY[A]=='y')
   {txphase(two);
    shaped_pulse("H2Osinc", pwHs, two, 5.0e-4, 0.0);
    obspower(tpwr); obspwrf(4095.0);
    zgradpulse(gzlvl3, gt3);
    delay(2.0e-4);
    dec2rgpulse(pwN, zero, 0.0, 0.0);

    delay(0.5*kappa - 2.0*pw);

    rgpulse(2.0*pw, two, 0.0, 0.0);

    obspower(tpwrd);	  				       /* POWER_DELAY */
    decphase(zero);
    dec2phase(zero);
    decpwrf(rf8);
    delay(timeTN -0.5*kappa - POWER_DELAY - WFG3_START_DELAY);
   }
else
   {txphase(zero);
    if (tpwrsf < 4095.0) 
     {obspwrf(tpwrsf); 
        obspower(tpwrs+6.0);}                 /* increases tpwrs by 6dB, now need */
     else
        obspower(tpwrs);
                                          /* tpwrsf to be ~ 2048 for equivalence */
    shaped_pulse("H2Osinc",pwHs,zero,5.0e-4,0.0);
    obspower(tpwrd); obspwrf(4095.0);
    zgradpulse(gzlvl3, gt3);
    delay(2.0e-4);
    dec2rgpulse(pwN, zero, 0.0, 0.0);

    txphase(one);
    delay(kappa - pwHd - 2.0e-6 - PRG_START_DELAY);

    rgpulse(pwHd,one,0.0,0.0);
    txphase(zero);
    delay(2.0e-6);
    obsprgon("waltz16", pwHd, 90.0);	          /* PRG_START_DELAY */
    xmtron();
    decphase(zero);
    dec2phase(zero);
    decpwrf(rf8);
    delay(timeTN - kappa - WFG3_START_DELAY);
   }
							  /* WFG3_START_DELAY */
	sim3shaped_pulse("", "offC8", "", 0.0, pwC8, 2.0*pwN, zero, zero, zero, 
								     0.0, 0.0);
	decphase(zero);
	decpwrf(rf6);
	delay(timeTN);

	dec2rgpulse(pwN, zero, 0.0, 0.0);
if (TROSY[A]=='n')
   {xmtroff();
    obsprgoff();
    rgpulse(pwHd,three,2.0e-6,0.0);}
	zgradpulse(-gzlvl3, gt3);
 	delay(2.0e-4);
	decshaped_pulse("offC6", pwC6, zero, 0.0, 0.0);

	zgradpulse(-gzlvl7, gt7);
	decpwrf(rf0);
	decphase(zero);
	delay(tauC - gt7 - 0.5*10.933*pwC);

	decrgpulse(pwC*158.0/90.0, zero, 0.0, 0.0);
	decrgpulse(pwC*171.2/90.0, two, 0.0, 0.0);
	decrgpulse(pwC*342.8/90.0, zero, 0.0, 0.0);      /* Shaka 6 composite */
	decrgpulse(pwC*145.5/90.0, two, 0.0, 0.0);
	decrgpulse(pwC*81.2/90.0, zero, 0.0, 0.0);
	decrgpulse(pwC*85.3/90.0, two, 0.0, 0.0);

	zgradpulse(-gzlvl7, gt7);
	decpwrf(rf6);
	decphase(one);
	txphase(one);
        delay(tauC - gt7 - 0.5*10.933*pwC - WFG_START_DELAY);
							   /* WFG_START_DELAY */
	decshaped_pulse("offC6", pwC6, one, 0.0, 0.0);
	decoffset(dof);
	zgradpulse(-gzlvl9, gt9);
	decpwrf(rf1);
	decphase(t3);
	delay(2.0e-4);
      if ( dm3[B] == 'y' )     /* begins optional 2H decoupling */
        {
          dec3rgpulse(1/dmf3,one,10.0e-6,2.0e-6);
          dec3unblank();
          dec3phase(zero);
          delay(2.0e-6);
          setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
        }
        rgpulse(pwHd,one,0.0,0.0);
	txphase(zero);
 	delay(2.0e-6);
	obsprgon("waltz16", pwHd, 90.0);
	xmtron();

	decrgpulse(pwC1, t3, 0.0, 0.0);
	decphase(zero);

/*   xxxxxxxxxxxxxxxxxxxxxx       13Ca EVOLUTION        xxxxxxxxxxxxxxxxxx    */

  if (ni==1.0)         /* special 1D check of pwC9 phase enabled when ni=1 */
  {
        decpwrf(rf9);
	delay(10.0e-6 + SAPS_DELAY + 0.5*pwZ1);
							  /* WFG3_START_DELAY */
	sim3shaped_pulse("", "offC9", "", 0.0, pwC9, 2.0*pwN, zero, zero, zero,
							          2.0e-6, 0.0);
	initval(phshift9, v9);
	decstepsize(1.0);
	dcplrphase(v9);  					/* SAPS_DELAY */
	delay(10.0e-6 + WFG3_START_DELAY + 0.5*pwZ1);
  }
  else if(CT_c[A] == 'y')           /* xxxxxxx 13Ca Constant Time EVOLUTION xxxxxxxx */
  {
    decpwrf(rf9);
    if(tau1 - 2.0*pwC1/PI - WFG_START_DELAY -POWER_DELAY > 0.0) {
       delay(tau1 -2.0*pwC1/PI -POWER_DELAY -WFG_START_DELAY);
       sim3shaped_pulse("","offC9","",0.0,pwC8, 2.0*pwN, zero, zero, zero, 
								0.0, 0.0);
    }
    else
       sim3shaped_pulse("","offC9","",0.0,pwC8, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
    
    delay(timeTC- 2.0e-6 -WFG_STOP_DELAY-POWER_DELAY); 

    decpwrf(rf2);
    decrgpulse(pwC2, zero, 2.0e-6, 2.0e-6); 	             /* 13Ca 180 degree pulse */ 

    delay(timeTC-tau1- 4.0e-6 -SAPS_DELAY);
    
    phshift9 = 230.0;  /* = 320-90 - correction for -90 degree phase shift in F1 */
    initval(phshift9, v9);
    decstepsize(1.0);
    dcplrphase(v9);                                         /* SAPS_DELAY */
  }
  else                         /* xxxxxxx 13Ca Conventional EVOLUTION xxxxxxxxx */
  {
    if ((ni>1.0) && (tau1>0.0))          /* total 13C evolution equals d2 exactly */
    {         /* 2.0*pwC1/PI compensates for evolution at 64% rate during pwC1 */
       decpwrf(rf9);
       if(tau1 - 2.0*pwC1/PI - WFG3_START_DELAY - 0.5*pwZ > 0.0)
       {	   
	   delay(tau1 - 2.0*pwC1/PI - WFG3_START_DELAY - 0.5*pwZ);
							  
	   sim3shaped_pulse("", "offC9", "", 0.0, pwC8, 2.0*pwN, zero, zero, zero,
								      0.0, 0.0);
	   initval(phshift9, v9);
	   decstepsize(1.0);
	   dcplrphase(v9);  				        /* SAPS_DELAY */
	   delay(tau1 - 2.0*pwC1/PI  - SAPS_DELAY - 0.5*pwZ - 2.0e-6);
       }
       else
       {
	 initval(180.0, v9);
	 decstepsize(1.0);
	 dcplrphase(v9);  				        /* SAPS_DELAY */
	 delay(2.0*tau1 - 4.0*pwC1/PI - SAPS_DELAY - 2.0e-6);
       }
    }
    else		       /* 13Ca evolution refocused for 1st increment  */
    {
	decpwrf(rf2);
	delay(10.0e-6);	
	decrgpulse(pwC2, zero, 2.0e-6, 0.0);
	delay(10.0e-6);	
    }
  }
        decphase(t5);
	decpwrf(rf1);
	decrgpulse(pwC1, t5, 2.0e-6, 0.0);


/*   xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx    */

	xmtroff();
	obsprgoff();
        rgpulse(pwHd,three,2.0e-6,0.0);
	decoffset(dofCO);
	decpwrf(rf6);
	decphase(one);
        if ( dm3[B] == 'y' )   /* turns off 2H decoupling  */
           {
           setstatus(DEC3ch, FALSE, 'c', FALSE, dmf3);
           dec3rgpulse(1/dmf3,three,2.0e-6,2.0e-6);
           dec3blank();
           lk_autotrig();   /* resumes lock pulsing */
           }
	zgradpulse(gzlvl10, gt10);
 	delay(2.0e-4);
	decshaped_pulse("offC6", pwC6, one, 0.0, 0.0);

	zgradpulse(gzlvl8, gt7);
	decpwrf(rf0);
	decphase(zero);
	delay(tauC - gt7 - 0.5*10.933*pwC);

	decrgpulse(pwC*158.0/90.0, zero, 0.0, 0.0);
	decrgpulse(pwC*171.2/90.0, two, 0.0, 0.0);
	decrgpulse(pwC*342.8/90.0, zero, 0.0, 0.0);	/* Shaka 6 composite */
	decrgpulse(pwC*145.5/90.0, two, 0.0, 0.0);
	decrgpulse(pwC*81.2/90.0, zero, 0.0, 0.0);
	decrgpulse(pwC*85.3/90.0, two, 0.0, 0.0);

	zgradpulse(gzlvl8, gt7);
	decpwrf(rf6);
	decphase(zero);
	delay(tauC - gt7 - 0.5*10.933*pwC - WFG_START_DELAY);
							   /* WFG_START_DELAY */
	decshaped_pulse("offC6", pwC6, zero, 0.0, 0.0);

/*  xxxxxxxxxxxxxxxxxx    OPTIONS FOR N15 EVOLUTION    xxxxxxxxxxxxxxxxxxxxx  */

	zgradpulse(gzlvl4, gt4);
	txphase(one);
	decphase(zero);
	decpwrf(rf8);
	dcplrphase(zero);
	dec2phase(t8);
 	delay(2.0e-4);
 	
        if (TROSY[A]=='n')
	   {rgpulse(pwHd,one,0.0,0.0);
	    txphase(zero);
	    delay(2.0e-6);
	    obsprgon("waltz16", pwHd, 90.0);
	    xmtron();}
	    
	dec2rgpulse(pwN, t8, 0.0, 0.0); /* N15 EVOLUTION BEGINS HERE */
	dec2phase(t9);

        if(SCT[A] == 'y')
        {
	  delay(t2a);
          dec2rgpulse(2.0*pwN, t9, 0.0, 0.0);
	  delay(t2b);
          decshaped_pulse("offC8", pwC8, zero, 0.0, 0.0); /* WFG_START_DELAY  */
        }
        else
        {	
	  delay(timeTN - WFG3_START_DELAY - tau2);       /* WFG3_START_DELAY  */							 
	  sim3shaped_pulse("", "offC8", "", 0.0, pwC8, 2.0*pwN, zero, zero, t9, 
								   0.0, 0.0);
        }
	dec2phase(t10);
        decpwrf(rf3);

if (TROSY[A]=='y')
{    if (tau2 > gt1 + 2.0*GRADIENT_DELAY + 1.5e-4 + pwHs)
	{
	  txphase(three);
          delay(timeTN - pwC3 - WFG_START_DELAY);         /* WFG_START_DELAY */
          decshaped_pulse("offC3", pwC3, zero, 0.0, 0.0);
          delay(tau2 - gt1 - 2.0*GRADIENT_DELAY - 1.5e-4 - pwHs);
          if (mag_flg[A]=='y')  magradpulse(gzcal*gzlvl1, gt1);
          else  zgradpulse(gzlvl1, gt1);   	/* 2.0*GRADIENT_DELAY */
	  obspower(tpwrs);				       /* POWER_DELAY */
	  delay(1.0e-4 - POWER_DELAY);
    if (tpwrsf < 4095.0) 
     {obspwrf(tpwrsf); 
        obspower(tpwrs+6.0);}                 /* increases tpwrs by 6dB, now need */
     else
        obspower(tpwrs);
                                          /* tpwrsf to be ~ 2048 for equivalence */
   	  shaped_pulse("H2Osinc", pwHs, three, 0.0, 0.0);
          obspower(tpwr); obspwrf(4095.0);
	  txphase(t4);
	  delay(0.5e-4 - POWER_DELAY);
	}

    else if (tau2 > pwHs + 0.5e-4)
	{
	  txphase(three);
          delay(timeTN-pwC3-WFG_START_DELAY-gt1-2.0*GRADIENT_DELAY-1.0e-4);
          if (mag_flg[A]=='y')    magradpulse(gzcal*gzlvl1, gt1);
          else  zgradpulse(gzlvl1, gt1);	   	/* 2.0*GRADIENT_DELAY */
	  obspower(tpwrs);				       /* POWER_DELAY */
	  delay(1.0e-4 - POWER_DELAY);                     /* WFG_START_DELAY */
          decshaped_pulse("offC3", pwC3, zero, 0.0, 0.0);
          delay(tau2 - pwHs - 0.5e-4);
    if (tpwrsf < 4095.0) 
     {obspwrf(tpwrsf); 
        obspower(tpwrs+6.0);}                 /* increases tpwrs by 6dB, now need */
     else
        obspower(tpwrs);
                                          /* tpwrsf to be ~ 2048 for equivalence */
   	  shaped_pulse("H2Osinc", pwHs, three, 0.0, 0.0);
          obspower(tpwr); obspwrf(4095.0);
	  txphase(t4);
	  delay(0.5e-4 - POWER_DELAY);
	}
    else
	{
	  txphase(three);
          delay(timeTN - pwC3 - WFG_START_DELAY - gt1 - 2.0*GRADIENT_DELAY
							    - 1.5e-4 - pwHs);
          if (mag_flg[A]=='y')    magradpulse(gzcal*gzlvl1, gt1);
          else  zgradpulse(gzlvl1, gt1);	   	/* 2.0*GRADIENT_DELAY */
	  obspower(tpwrs);				       /* POWER_DELAY */
	  delay(1.0e-4 - POWER_DELAY);                     /* WFG_START_DELAY */
    if (tpwrsf < 4095.0) 
     {obspwrf(tpwrsf); 
        obspower(tpwrs+6.0);}                 /* increases tpwrs by 6dB, now need */
     else
        obspower(tpwrs);
                                          /* tpwrsf to be ~ 2048 for equivalence */
   	  shaped_pulse("H2Osinc", pwHs, three, 0.0, 0.0);
          obspower(tpwr); obspwrf(4095.0);
	  txphase(t4);
	  delay(0.5e-4 - POWER_DELAY);
          decshaped_pulse("offC3", pwC3, zero, 0.0, 0.0);
          delay(tau2);
	}
}
else
{
    if (tau2 > kappa)
	{
          delay(timeTN - pwC3 - WFG_START_DELAY);     	   /* WFG_START_DELAY */
          decshaped_pulse("offC3", pwC3, zero, 0.0, 0.0);
          delay(tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
          xmtroff();
          obsprgoff();					    /* PRG_STOP_DELAY */
	  rgpulse(pwHd,three,2.0e-6,0.0);
	  txphase(t4);
          delay(kappa - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
          if (mag_flg[A]=='y')    magradpulse(gzcal*gzlvl1, gt1);
          else    zgradpulse(gzlvl1, gt1);   	/* 2.0*GRADIENT_DELAY */
	  obspower(tpwr);				       /* POWER_DELAY */
	  delay(1.0e-4 - POWER_DELAY);
	}
    else if (tau2 > (kappa - pwC3 - WFG_START_DELAY))
	{
          delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
          xmtroff();
          obsprgoff();					    /* PRG_STOP_DELAY */
	  rgpulse(pwHd,three,2.0e-6,0.0);
	  txphase(t4);                                     /* WFG_START_DELAY */
          decshaped_pulse("offC3", pwC3, zero, 0.0, 0.0);
          delay(kappa -pwC3 -WFG_START_DELAY -gt1 -2.0*GRADIENT_DELAY -1.0e-4);
          if (mag_flg[A]=='y')    magradpulse(gzcal*gzlvl1, gt1);
          else    zgradpulse(gzlvl1, gt1);   	/* 2.0*GRADIENT_DELAY */
	  obspower(tpwr);				       /* POWER_DELAY */
	  delay(1.0e-4 - POWER_DELAY);
	}
    else if (tau2 > gt1 + 2.0*GRADIENT_DELAY + 1.0e-4)
	{
          delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
          xmtroff();
          obsprgoff();					    /* PRG_STOP_DELAY */
	  rgpulse(pwHd,three,2.0e-6,0.0);
	  txphase(t4);
          delay(kappa - tau2 - pwC3 - WFG_START_DELAY);   /* WFG_START_DELAY */
          decshaped_pulse("offC3", pwC3, zero, 0.0, 0.0);
          delay(tau2 - gt1 - 2.0*GRADIENT_DELAY - 1.0e-4);
          if (mag_flg[A]=='y')    magradpulse(gzcal*gzlvl1, gt1);
          else    zgradpulse(gzlvl1, gt1);   	/* 2.0*GRADIENT_DELAY */
	  obspower(tpwr);				       /* POWER_DELAY */
	  delay(1.0e-4 - POWER_DELAY);
	}
    else
	{
          delay(timeTN + tau2 - kappa - PRG_STOP_DELAY - pwHd - 2.0e-6);
          xmtroff();
	  obsprgoff();					    /* PRG_STOP_DELAY */
	  rgpulse(pwHd,three,2.0e-6,0.0);
	  txphase(t4);
    	  delay(kappa-tau2-pwC3-WFG_START_DELAY-gt1-2.0*GRADIENT_DELAY-1.0e-4);
          if (mag_flg[A]=='y')    magradpulse(gzcal*gzlvl1, gt1);
          else    zgradpulse(gzlvl1, gt1);   	/* 2.0*GRADIENT_DELAY */
	  obspower(tpwr);				       /* POWER_DELAY */
	  delay(1.0e-4 - POWER_DELAY);                    /* WFG_START_DELAY */
          decshaped_pulse("offC3", pwC3, zero, 0.0, 0.0);
          delay(tau2);
	}
}                                                          
/*  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx  */
	if (TROSY[A]=='y')  rgpulse(pw, t4, 0.0, 0.0);
	else                sim3pulse(pw, 0.0, pwN, t4, zero, t10, 0.0, 0.0);

	txphase(zero);
	dec2phase(zero);
	zgradpulse(gzlvl5, gt5);
	if (TROSY[A]=='y')   delay(lambda - 0.65*(pw + pwN) - gt5);
	else   delay(lambda - 1.3*pwN - gt5);

	sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);

	zgradpulse(gzlvl5, gt5);
	txphase(one);
	dec2phase(t11);
	delay(lambda - 1.3*pwN - gt5);

	sim3pulse(pw, 0.0, pwN, one, zero, t11, 0.0, 0.0);

	txphase(zero);
	dec2phase(zero);
	zgradpulse(gzlvl6, gt5);
	delay(lambda - 1.3*pwN - gt5);

	sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);

	dec2phase(t10);
	zgradpulse(gzlvl6, gt5);
	if (TROSY[A]=='y')   delay(lambda - 1.6*pwN - gt5);
	else   delay(lambda - 0.65*pwN - gt5);

	if (TROSY[A]=='y')   dec2rgpulse(pwN, t10, 0.0, 0.0); 
	else    	     rgpulse(pw, zero, 0.0, 0.0); 

	delay((gt1/10.0) + 1.0e-4 +gstab - 0.5*pw + 2.0*GRADIENT_DELAY + POWER_DELAY);

	rgpulse(2.0*pw, zero, 0.0,rof1);
	dec2power(dpwr2);				       /* POWER_DELAY */
        if (mag_flg[A] == 'y')    magradpulse(icosel*gzcal*gzlvl2, gt1/10.0);
        else   zgradpulse(icosel*gzlvl2, gt1/10.0);            /* 2.0*GRADIENT_DELAY */

        delay(gstab);
        rcvron();
statusdelay(C,1.0e-4 - rof1);
   if (dm3[B]=='y') lk_sample();

	setreceiver(t12);
}		 
Ejemplo n.º 26
0
pulsesequence()
{
char    f1180[MAXSTR],
        f2180[MAXSTR],
	f3180[MAXSTR],
        mag_flg[MAXSTR];

 int	phase, icosel,
	t1_counter,
	t2_counter,
	t3_counter;

 double	pwClvl,
            pwC,
            rf0 = 4095,
            rfst,
            compC = getval("compC"),
            tpwrs,
            pwHs = getval("pwHs"),
            compH = getval("compH"),

	pwNlvl,
	pwN,

	tau1,
	tau2,
	tau3,
	tauch,   /* 3.4 ms  */
	taunh,   /* 2.4 ms  */
	mix,
        tofh,
        dofcaco,  /* ~120 ppm  */

        gt0, gzlvl0,
 	gt1,gzlvl1,
	gzlvl2,
        gzcal = getval("gzcal"),
        gstab = getval("gstab"),
	gt3,gzlvl3,
	gt4,gzlvl4,
	gt5,gzlvl5,
	gt6,gzlvl6,
	gt7,gzlvl7,
	gt8, gzlvl8,
        gt9, gzlvl9;

/* LOAD VARIABLES */

  getstr("f1180",f1180);
  getstr("f2180",f2180);
  getstr("f3180",f3180);
  getstr("mag_flg", mag_flg);

  pwClvl = getval("pwClvl");
  pwC = getval("pwC");

  pwNlvl = getval("pwNlvl");
  pwN = getval("pwN");

  mix = getval("mix");
  tauch = getval("tauch");
  taunh = getval("taunh");
  sw1 = getval("sw1");
  sw2 = getval("sw2");
  sw3 = getval("sw3");
  phase = (int) (getval("phase") + 0.5);
  phase2 = (int) (getval("phase2") + 0.5);
  phase3 = (int) (getval("phase3") + 0.5);

  gt0 = getval("gt0");
  gt1 = getval("gt1");
  gt3 = getval("gt3");
  gt4 = getval("gt4");
  gt5 = getval("gt5");
  gt6 = getval("gt6");
  gt7 = getval("gt7");
  gt8 = getval("gt8");
  gt9 = getval("gt9");
  gzlvl0 = getval("gzlvl0");
  gzlvl1 = getval("gzlvl1");
  gzlvl2 = getval("gzlvl2");
  gzlvl3 = getval("gzlvl3");
  gzlvl4 = getval("gzlvl4");
  gzlvl5 = getval("gzlvl5");
  gzlvl6 = getval("gzlvl6");
  gzlvl7 = getval("gzlvl7");
  gzlvl8 = getval("gzlvl8");
  gzlvl9 = getval("gzlvl9");

  setautocal();                        /* activate auto-calibration flags */ 
        
  if (autocal[0] == 'n') 
  {
    tofh = getval("tofh");
    dofcaco = getval("dofcaco");  /* ~120 ppm  */

/* 180 degree adiabatic C13 pulse from 0 to 200 ppm */
    rfst = (compC*4095.0*pwC*4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35));   
    rfst = (int) (rfst + 0.5);

    if (1.0/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35)) < pwC )
    { 
      text_error( " Not enough C13 RF. pwC must be %f usec or less.\n", 
      (1.0e6/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35))) );
      psg_abort(1);
    }
  }
  else        /* if autocal = 'y'(yes), 'q'(quiet), r(read), or 's'(semi) */
  {
    if(FIRST_FID)                                            /* call Pbox */
    {
      ppm = getval("dfrq"); ofs = 0.0;   pws = 0.001;  /* 1 ms long pulse */
      bw = 200.0*ppm;       nst = 1000;          /* nst - number of steps */
      stC200 = pbox_makeA("stC200", "sech", bw, pws, ofs, compC*pwC, pwClvl, nst);
      ofs_check(H1ofs, C13ofs, N15ofs, H2ofs);
      ofs = getval("tof") - 1.75*getval("sfrq");
      pws = getval("dof") + 85.0*ppm;
    }
    rfst = stC200.pwrf;
    tofh = ofs;
    dofcaco = pws;
  }	

/* selective H20 one-lobe sinc pulse */
   tpwrs = tpwr - 20.0*log10(pwHs/(compH*pw*1.69));
   tpwrs = (int)(tpwrs+0.5);

/* check validity of parameter range */

   if((dm[A] == 'y' || dm[C] == 'y'))
   {
      printf("incorrect Dec1 decoupler flags!  ");
      psg_abort(1);
   }

   if((dm2[A] == 'y' || dm2[B] == 'y'))
   {
      printf("incorrect Dec2 decoupler flags!  ");
      psg_abort(1);
   }
  
   if ((dpwr > 50) || (dpwr2 > 50))
   {
      printf("don't fry the probe, dpwr too high!  ");
      psg_abort(1);
   }

/* Load phase cycling variables */

   settable(t1, 4, phi1);
   settable(t2, 2, phi2);
   settable(t3, 1, phi3);
   settable(t4, 8, phi4);
   settable(t5, 1, phi5);

   settable(t11, 8, rec_1);

/* Phase incrementation for hypercomplex data */

   if ( phase == 2 )	
   {
      tsadd(t1,1,4);
   }
   if ( phase2 == 2 )	
   { 
      tsadd(t2,1,4);
   }
   if ( phase3 == 1 )	
   { 
      tsadd(t5,2,4); 
      icosel = 1; 
   }
   else icosel = -1; 

/* calculate modification to phases based on current t2 values
   to achieve STATES-TPPI acquisition */

   if(ix == 1) d2_init = d2;
   t1_counter = (int)((d2-d2_init)*sw1 + 0.5);
   if(t1_counter % 2)
   {
      tsadd(t1,2,4);
      tsadd(t11,2,4);
   }

   if(ix == 1) d3_init = d3;
   t2_counter = (int)((d3-d3_init)*sw2 + 0.5);
   if(t2_counter % 2)
   {
      tsadd(t2,2,4);
      tsadd(t11,2,4);
   }

   if(ix == 1) d4_init = d4;
   t3_counter = (int)((d4-d4_init)*sw3 + 0.5);
   if(t3_counter % 2)
   {
      tsadd(t3,2,4);
      tsadd(t11,2,4);
   }

/* set up so that get (90, -180) phase corrects in F1 if f1180 flag is 'y' */

   tau1 = d2;
   if(f1180[A] == 'y')
   {
      tau1 += (1.0/(2.0*sw1));
   }
   if (tau1 < 0.2e-6) tau1 = 0.0;
   tau1 = tau1/2.0;

/* set up so that get (90, -180) phase corrects in F2 if f2180 flag is 'y' */

   tau2 = d3 - (4.0*pwC/PI + 2.0*pw + 2.0e-6);
   if (dm[B] == 'y')
   {
      tau2 = tau2 - (2.0*POWER_DELAY + PRG_START_DELAY + PRG_STOP_DELAY);
   }
   if(f2180[A] == 'y')
   {
      tau2 += (1.0/(2.0*sw2));
   }
   if (tau2 < 0.2e-6) tau2 = 0.0;
   tau2 = tau2/2.0;

/* set up so that get (90, -180) phase corrects in F3 if f3180 flag is 'y' */

   tau3 = d4;
   if(f3180[A] == 'y')
   {
      tau3 += (1.0/(2.0*sw3));
   }
   if (tau3 < 0.2e-6) tau3 = 0.0;
   tau3 = tau3/2.0;

   initval(315.0, v7);
   obsstepsize(1.0);

/* BEGIN ACTUAL PULSE SEQUENCE */

status(A);
   delay(10.0e-6);
   obspower(tpwr);
   decpower(pwClvl);
   decpwrf(rf0);
   dec2power(pwNlvl);
   obsoffset(tofh);
   decoffset(dof);
   dec2offset(dof2);
   txphase(t1);
   xmtrphase(v7);
   delay(d1);

   if (gt0 > 0.2e-6)
   {
      decrgpulse(pwC,zero,2.0e-6,0.0);
      dec2rgpulse(pwN,zero,2.0e-6,0.0);
      zgradpulse(gzlvl0,gt0); 
      delay(1.0e-3);
   }
   decphase(t2);

   rgpulse(pw,t1,2.0e-6,0.0);	
   xmtrphase(zero);
   zgradpulse(gzlvl3,gt3);
   delay(tauch - gt3);			
   decrgpulse(pwC,t2,2.0e-6,0.0);	
status(B);
   decpower(dpwr);
   delay(tau2); 
   rgpulse(2.0*pw,t1,0.0,0.0);              
   decphase(zero);
   if (tau2 > 2.0*pwN)
   {
      dec2rgpulse(2.0*pwN,zero,0.0,0.0);              
      delay(tau2 - 2.0*pwN);
   }
   else
      delay(tau2); 
status(A);

   decpower(pwClvl);         
   decrgpulse(pwC,zero, 2.0e-6,2.0e-6);
   txphase(zero);
   delay(tauch + tau1 + SAPS_DELAY - gt3 - 4.0*pwC - 500.0e-6);		
   zgradpulse(gzlvl3,gt3);
   delay(500.0e-6);
   decrgpulse(pwC,zero,0.0, 0.0);	
   decphase(one);
   decrgpulse(2.0*pwC, one, 0.2e-6, 0.0);
   decphase(zero);
   decrgpulse(pwC, zero, 0.2e-6, 0.0);
   delay(tau1);
   rgpulse(pw,zero,0.0,0.0);

   delay(mix - gt4 - gt5 - pwN - 2.0e-3);		
   obsoffset(tof);

   zgradpulse(gzlvl4,gt4);
   delay(1.0e-3);
   sim3pulse((double)0.0,pwC,pwN,zero,zero,zero,0.0,2.0e-6);              
   zgradpulse(gzlvl5,gt5);
   delay(1.0e-3);			

   rgpulse(pw,zero,0.0,2.0e-6);		
   zgradpulse(gzlvl6,gt6);
   delay(taunh - gt6 - 2.0e-6);
   sim3pulse(2.0*pw,(double)0.0,2*pwN,zero,zero,zero,0.0,0.0);
   delay(taunh - gt6 - 500.0e-6);
   zgradpulse(gzlvl6,gt6);
   txphase(one);
   delay(500.0e-6);
   rgpulse(pw,one,0.0,0.0);	
   txphase(two);
   obspower(tpwrs);
   shaped_pulse("H2Osinc", pwHs, two, 2.0e-6, 2.0e-6);
   obspower(tpwr);
   zgradpulse(gzlvl7,gt7);	
   dec2phase(t3);
   decoffset(dofcaco);
   decpwrf(rfst);
   delay(200.0e-6);			

   dec2rgpulse(pwN,t3,0.0,0.0);

   dec2phase(t4);
   delay(tau3); 
   rgpulse(2.0*pw, zero, 0.0, 0.0);
   decshaped_pulse("stC200", 1.0e-3, zero, 0.0, 0.0);
   delay(tau3);
   delay(gt1 + 202.0e-6 - 1.0e-3 - 2.0*pw);

   dec2rgpulse(2.0*pwN, t4, 0.0, 2.0e-6);

   dec2phase(t5);
   if(mag_flg[A] == 'y')
   {
      magradpulse(gzcal*gzlvl1, gt1);        
   }
   else
   {
      zgradpulse(gzlvl1, gt1);        
      delay(4.0*GRADIENT_DELAY);
   }
   delay(200.0e-6 + WFG_START_DELAY + WFG_STOP_DELAY - 6.0*GRADIENT_DELAY);

   sim3pulse(pw, 0.0, pwN, zero, zero, t5, 0.0, 2.0e-6);

   dec2phase(zero);
   zgradpulse(gzlvl8, gt8);
   delay(taunh - gt8);
   sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
   delay(taunh  - gt8 - 400.0e-6);
   zgradpulse(gzlvl8, gt8);
   txphase(one);
   dec2phase(one);
   delay(400.0e-6);

   sim3pulse(pw, 0.0, pwN, one, zero, one, 0.0, 0.0);

   txphase(zero);
   dec2phase(zero);
   zgradpulse(gzlvl9, gt9);
   delay(taunh - gt9);
   sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
   zgradpulse(gzlvl9, gt9);
   delay(taunh - gt9);

   rgpulse(pw, zero, 0.0, 0.0);

   delay((gt1/10.0) + gstab - 0.5*pw + 6.0*GRADIENT_DELAY + POWER_DELAY);

   rgpulse(2.0*pw, zero, 0.0, 0.0);

   if(mag_flg[A] == 'y')
   {
      magradpulse(icosel*gzcal*gzlvl2, gt1/10.0);     	
   }
   else
   {
      zgradpulse(icosel*gzlvl2, gt1/10.0);     	
      delay(4.0*GRADIENT_DELAY);
   }
   dec2power(dpwr2);			   
   delay(gstab);		

status(C);
   setreceiver(t11);
}		 
Ejemplo n.º 27
0
pulsesequence()
{
/* DECLARE VARIABLES */

 char       autocal[MAXSTR],  /* auto-calibration flag */
            fsat[MAXSTR],
	    fscuba[MAXSTR],
            f1180[MAXSTR],    /* Flag to start t1 @ halfdwell             */
            mess_flg[MAXSTR], /* water purging */
            ar180a[MAXSTR],   /* waveform shape for aromatic 180 pulse 
                                   with C transmitter at dof  */
            cb180b[MAXSTR],   /* waveform shape for aliphatic 180 pulse 
                                   with C transmitter at dofar   */
            ar180b[MAXSTR];   /* waveform shape for aromatic 180 pulse
                                   with C transmitter at dofar   */
 int         phase, ni, 
             t1_counter;   /* used for states tppi in t1           */ 

 double      tau1,         /*  t1 delay */
             taua,         /*  ~ 1/4JCbHb =  1.7 ms */
             taub,         /*  ~ 1/4JCgCd =  2.7 ms */
             tauc,         /*  ~ 1/4JCgCd =  2.1 ms */
             taud,         /*  ~ 1/4JCdHd =  1.5 ms */
             taue,         /*  = 1/4JCbHb =  1.8 ms */
             tauf,         /*  2(tauc-tauf) ~ 1/2JCdHd =  3.1 ms */
             TCb,          /* carbon constant time period 
                              for recording the Cb chemical shifts    */
             dly_pg1,      /* delay for water purging */
             pwar180a,     /* 180 aro pulse at d_ar180a and dof  */
             pwcb180b,     /* 180 cb pulse at d_cb180b and dofar   */ 
             pwC,          /* 90 c pulse at pwClvl            */
             pwsel90,       /* 90 c pulse at d_sel90 */
             pwar180b,     /* 180 c pulse at d_ar180b */
             compC,        /* C-13 RF calibration parameters */
             compH,
             d_ar180a,
             d_cb180b,
             d_sel90,
             d_ar180b,     
             dofar, 
             tsatpwr,      /* low level 1H trans.power for presat  */
             tpwrmess,     /* power level for water purging */
             tpwrml,       /* power level for 1H decoupling */
             pwmlev,       /* 90 pulse at tpwrml */
             pwClvl,        /* power level for high power 13C pulses on dec1 */ 
             sw1,          /* sweep width in f1                    */
             at,
             gp11,         /* gap between 90-90 for selective 180 of Cb */
             fab,          /* chemical shift difference of Ca-Cb (Hz) */
             gt0,
             gt1,
             gt2,
             gt3,
             gt4,
             gt5,
             gt6,
             gt7,
             gstab,
             gzlvl0,
             gzlvl1,
             gzlvl2,
             gzlvl3,
             gzlvl4,
             gzlvl5,
             gzlvl6,
             gzlvl7;


/*  variables commented out are already defined by the system      */


/* LOAD VARIABLES */


  getstr("autocal",autocal);
  getstr("fsat",fsat);
  getstr("f1180",f1180);
  getstr("fscuba",fscuba);
  getstr("mess_flg",mess_flg);

  taua   = getval("taua"); 
  taub   = getval("taub"); 
  tauc   = getval("tauc"); 
  taud   = getval("taud"); 
  taue   = getval("taue"); 
  tauf   = getval("tauf"); 
  TCb = getval("TCb");
  pwC = getval("pwC");
  dofar = getval("dofar");
  dly_pg1 = getval("dly_pg1");
  tpwr = getval("tpwr");
  tsatpwr = getval("tsatpwr");
  tpwrmess = getval("tpwrmess");
  tpwrml = getval("tpwrml");
  pwClvl = getval("pwClvl");
  dpwr = getval("dpwr");
  phase = (int) ( getval("phase") + 0.5);
  sw1 = getval("sw1");
  ni = getval("ni");
  at = getval("at");
  fab = getval("fab");

  if(autocal[0]=='n')
  {     
    getstr("ar180a",ar180a);
    getstr("ar180b",ar180b);
    getstr("cb180b",cb180b);
    pwar180a = getval("pwar180a");
    pwar180b = getval("pwar180b");
    pwcb180b = getval("pwcb180b");
    pwsel90 = getval("pwsel90");
    d_ar180a = getval("d_ar180a");
    d_cb180b = getval("d_cb180b");
    d_ar180b  = getval("d_ar180b");
    d_sel90  = getval("d_sel90");
    pwmlev = getval("pwmlev");
  }
  else
  {    
    strcpy(ar180a,"Pg3_off_cb180a");
    strcpy(ar180b,"Pg3_off_cb180b");    
    strcpy(cb180b,"Pg3_on");
    if (FIRST_FID)
    {
      compC = getval("compC");
      compH = getval("compH");
      sel90 = pbox("cal", SEL90, "", dfrq, compC*pwC, pwClvl);
      ar_180a = pbox(ar180a, AR180a, CB180ps, dfrq, compC*pwC, pwClvl);
      ar_180b = pbox(ar180b, AR180b, CB180ps, dfrq, compC*pwC, pwClvl);
      cb_180b = pbox(cb180b, CB180b, CB180ps, dfrq, compC*pwC, pwClvl);
      w16 = pbox_dec("cal", "WALTZ16", tpwrml, sfrq, compH*pw, tpwr);
    }
    pwsel90 = sel90.pw;      d_sel90 = sel90.pwr;
    pwar180a = ar_180a.pw;   d_ar180a = ar_180a.pwr;
    pwar180b = ar_180b.pw;   d_ar180b = ar_180b.pwr;       
    pwcb180b = cb_180b.pw;   d_cb180b = cb_180b.pwr;  
    pwmlev = 1.0/w16.dmf;
  }   

  gt0 = getval("gt0");
  gt1 = getval("gt1");
  gt2 = getval("gt2");
  gt3 = getval("gt3");
  gt4 = getval("gt4");
  gt5 = getval("gt5");
  gt6 = getval("gt6");
  gstab = getval("gstab");
  gt7 = getval("gt7");

  gzlvl0 = getval("gzlvl0");
  gzlvl1 = getval("gzlvl1");
  gzlvl2 = getval("gzlvl2");
  gzlvl3 = getval("gzlvl3");
  gzlvl4 = getval("gzlvl4");
  gzlvl5 = getval("gzlvl5");
  gzlvl6 = getval("gzlvl6");
  gzlvl7 = getval("gzlvl7");

/* LOAD PHASE TABLE */

  settable(t1,1,phi1);
  settable(t2,1,phi2);
  settable(t3,4,phi3);
  settable(t4,8,phi4);
  settable(t5,1,phi5);
  settable(t6,8,rec);

/* CHECK VALIDITY OF PARAMETER RANGES */

    if( 0.5*ni*1/(sw1) > TCb - 2*POWER_DELAY 
        - WFG_START_DELAY - pwar180a  - WFG_STOP_DELAY)
    {
        printf(" ni is too big\n");
        psg_abort(1);
    }

    if((dm[A] == 'y' || dm[B] == 'y' ))
    {
        printf("incorrect dec1 decoupler flags!  ");
        psg_abort(1);
    }

    if(dm2[A] == 'y' || dm2[B] == 'y' || dm2[C] == 'y' )
    {
        printf("incorrect dec2 decoupler flags!  ");
        psg_abort(1);
    }

    if( tsatpwr > 6 )
    {
        printf("TSATPWR too large !!!  ");
        psg_abort(1);
    }

    if( tpwrml > 53 )
    {
        printf("tpwrml too large !!!  ");
        psg_abort(1);
    }

    if( tpwrmess > 56 )
    {
        printf("tpwrmess too large !!!  ");
        psg_abort(1);
    }

    if( dpwr > 50 )
    {
        printf("don't fry the probe, DPWR too large!  ");
        psg_abort(1);
    }

    if( dpwr2 > 50 )
    {
        printf("don't fry the probe, DPWR2 too large!  ");
        psg_abort(1);
    }

    if( pwClvl > 63 )
    {
        printf("don't fry the probe, DHPWR too large!  ");
        psg_abort(1);
    }

    if( pw > 20.0e-6 )
    {
        printf("dont fry the probe, pw too high ! ");
        psg_abort(1);
    } 

    if( pwcb180b > 500.0e-6 )
    {
        printf("dont fry the probe, pwcb180b too high ! ");
        psg_abort(1);
    } 

    if( pwar180a > 500.0e-6 )
    {
        printf("dont fry the probe, pwar180a too high ! ");
        psg_abort(1);
    } 

    if (pwar180b > 500.0e-6)
    {
        printf("dont fry the probe, pwar180b too long !");
        psg_abort(1);
    }

    if (pwsel90 > 100.0e-6)
    {
        printf("dont fry the probe, pwsel90 too long !");
        psg_abort(1);
    }

    if(d_ar180a > 60)
    {
        printf("dont fry the probe, d_ar180a too high !");
        psg_abort(1);
    }

    if(d_cb180b > 60)
    {
        printf("dont fry the probe, d_cb180b too high !");
        psg_abort(1);
    }

    if (d_ar180b > 60)
    {
        printf("dont fry the probe, d_ar180b too high ! ");
        psg_abort(1);
    }

    if (d_sel90 > 50)
    {
        printf("dont fry the probe, d_sel90 too high ! ");
        psg_abort(1);
    }

    if( gt0 > 15e-3 || gt1 > 15e-3 || gt2 > 15e-3 || gt3 > 15e-3 
       || gt4 > 15e-3 || gt5 > 15e-3 || gt6 > 15e-3 || gt7 > 15e-3)
    {
        printf("gradients on for too long. Must be < 15e-3 \n");
        psg_abort(1);
    }

    if( fabs(gzlvl0) > 30000 || fabs(gzlvl1) > 30000 || fabs(gzlvl2) > 30000
      ||fabs(gzlvl3) > 30000 || fabs(gzlvl4) > 30000 || fabs(gzlvl5) > 30000
      ||fabs(gzlvl6) > 30000 || fabs(gzlvl7) > 30000)
    {
        printf("too strong gradient");
        psg_abort(1);
    }


    if( 2*TCb - taue > 0.1 )
    {
        printf("dont fry the probe, too long TCb");
        psg_abort(1);
    }

    if( at > 0.1 && (dm[C]=='y' || dm2[C]=='y'))
    {
        printf("dont fry the probe, too long at with decoupling");
        psg_abort(1);
    }

    if( pwC > 30.0e-6)
    {
        printf("dont fry the probe, too long pwC");
        psg_abort(1);
    }

    if( dly_pg1 > 10.0e-3)
    {
        printf("dont fry the probe, too long dly_pg1");
        psg_abort(1);
    }

    


/*  Phase incrementation for hypercomplex 2D data */

    if (phase == 2)
      tsadd(t2,1,4);  

/* Calculate modifications to phases for States-TPPI acquisition          */

   if( ix == 1) d2_init = d2 ;
   t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
   if(t1_counter % 2) {
      tsadd(t2,2,4);     
      tsadd(t6,2,4);    
    }

/*  Set up f1180  tau1 = t1               */
   
    tau1 = d2;
    if(f1180[A] == 'y') {
        tau1 += ( 1.0 / (2.0*sw1) );
    }
    tau1 = tau1/2.0;

/*  90-90 pulse for selective 180 of Cb but not Ca */

    gp11 = 1/(2*fab) - 4/PI*pwsel90;
    if (gp11 < 0.0) {
        printf("gap of 90-90 negative, check fab and pwsel90");
        psg_abort(1);
    }


/* BEGIN ACTUAL PULSE SEQUENCE */

/* Receiver off time */

status(A);
   decoffset(dof);
   obspower(tsatpwr);      /* Set transmitter power for 1H presaturation */
   decpower(pwClvl);        /* Set Dec1 power for hard 13C pulses         */
   dec2power(dpwr2);      /* Set Dec2 power for 15N decoupling       */

/* Presaturation Period */

   if(mess_flg[A] == 'y') {

     obspower(tpwrmess);
     rgpulse(dly_pg1,zero,20.0e-6,20.0e-6);
     rgpulse(dly_pg1/1.62,one,20.0e-6,20.0e-6);
     obspower(tsatpwr);

  }

   if (fsat[0] == 'y')
   {
	delay(2.0e-5);
        rgpulse(d1,zero,20.0e-6,20.0e-6);
   	obspower(tpwr);      /* Set transmitter power for hard 1H pulses */
	delay(2.0e-5);
	if(fscuba[0] == 'y')
	{
		delay(2.2e-2);
		rgpulse(pw,zero,2.0e-6,0.0);
		rgpulse(2*pw,one,2.0e-6,0.0);
		rgpulse(pw,zero,2.0e-6,0.0);
		delay(2.2e-2);
	}
   }
   else
   {
    delay(d1);
   }

   obspower(tpwr);           /* Set transmitter power for hard 1H pulses */
   txphase(zero);
   dec2phase(zero);
   decphase(zero);
   delay(1.0e-5);

/* Begin Pulses */

   rcvroff();
   delay(10.0e-6);

/* first ensure that magnetization does infact start on H and not C */

   decrgpulse(pwC,zero,2.0e-6,2.0e-6);

   delay(2.0e-6);
   zgradpulse(gzlvl0,gt0);
   delay(gstab);


/* this is the real start */

   rgpulse(pw,zero,0.0,0.0);                    /* 90 deg 1H pulse */

   delay(2.0e-6);
   zgradpulse(gzlvl1,gt1);
   delay(2.0e-6);

   delay(taua - gt1 - 4.0e-6);   /* taua <= 1/4JCH */                          

   simpulse(2*pw,2*pwC,zero,zero,0.0,0.0);

   txphase(t1);

   delay(2.0e-6);
   zgradpulse(gzlvl1,gt1);
   delay(2.0e-6);

   delay(taua - gt1 - 4.0e-6); 

   rgpulse(pw,t1,0.0,0.0);

   txphase(zero);

   delay(2.0e-6);
   zgradpulse(gzlvl2,gt2);
   delay(gstab);

   decphase(t2);
   decpower(d_sel90);
   decrgpulse(pwsel90,t2,2.0e-6,0.0);

   decphase(zero);
   decpower(d_ar180a);
   decshaped_pulse(ar180a,pwar180a,zero,2.0e-6,0.0);  /* bs effect */

   delay(taue 
     - POWER_DELAY - 2.0e-6 - WFG_START_DELAY - pwar180a - WFG_STOP_DELAY
     - POWER_DELAY - PRG_START_DELAY);

   /* H decoupling on */
   obspower(tpwrml);
   obsprgon("waltz16",pwmlev,90.0);
   xmtron();    /* TURN ME OFF  DONT FORGET  */
   /* Hldecoupling on */
   
   delay(TCb + tau1 - taue - POWER_DELAY - 2.0e-6);

   decphase(t3);

   decpower(d_sel90);
   decrgpulse(pwsel90,t3,2.0e-6,0.0);
   delay(gp11);
   decrgpulse(pwsel90,t3,0.0,0.0);

   decphase(zero);
   decpower(d_ar180a);
   decshaped_pulse(ar180a,pwar180a,zero,2.0e-6,0.0); 

   delay(TCb - tau1
     - POWER_DELAY - WFG_START_DELAY - 2.0e-6 - pwar180a - WFG_STOP_DELAY
     - POWER_DELAY - 2.0e-6);
   
   decphase(zero);
   decpower(d_sel90);
   decrgpulse(pwsel90,zero,2.0e-6,0.0);

   /* H decoupling off */
   xmtroff();
   obsprgoff();
   obspower(tpwr);
   /* H decoupling off */

   decoffset(dofar);

   delay(2.0e-6);
   zgradpulse(gzlvl3,gt3);
   delay(gstab);

   decphase(t4);
   decpower(d_sel90); 
   decrgpulse(pwsel90,t4,2.0e-6,0.0);

   decphase(zero);
   decpower(d_cb180b);
   decshaped_pulse(cb180b,pwcb180b,zero,2.0e-6,0.0);   /* B.S. */

   delay(2.0e-6);
   zgradpulse(gzlvl4,gt4);
   delay(2.0e-6);
   
   delay(taub 
     - POWER_DELAY - WFG_START_DELAY - 2.0e-6 - pwcb180b - WFG_STOP_DELAY
     - gt4 - 4.0e-6
     - POWER_DELAY - WFG_START_DELAY - 2.0e-6);

   decphase(zero);
   decpower(d_ar180b);
   decshaped_pulse(ar180b,pwar180b,zero,2.0e-6,0.0);
 
   decpower(d_cb180b);
   decshaped_pulse(cb180b,pwcb180b,zero,2.0e-6,0.0);
   
   delay(2.0e-6);
   zgradpulse(gzlvl4,gt4);
   delay(2.0e-6);

   delay(taub
     - WFG_STOP_DELAY
     - POWER_DELAY - WFG_START_DELAY - 2.0e-6 - pwcb180b - WFG_STOP_DELAY
     - gt4 - 4.0e-6
     - POWER_DELAY - 2.0e-6);

   decpower(d_sel90);
   decrgpulse(pwsel90,zero,2.0e-6,0.0);

   delay(2.0e-6);
   zgradpulse(gzlvl5,gt5);
   delay(100.0e-6);
 
   delay(tauc - POWER_DELAY - gt5 - 102.0e-6 - 2.0e-6);

   decphase(t5);
   decpower(pwClvl);
   decrgpulse(2*pwC,t5,2.0e-6,0.0);

   delay(2.0e-6);
   zgradpulse(gzlvl5,gt5);
   delay(100.0e-6);

   txphase(zero);
   delay(tauf - gt5 - 102.0e-6);

   rgpulse(2*pw,zero,0.0,0.0);

   delay(tauc - tauf - 2*pw
     - POWER_DELAY - 2.0e-6);

   decphase(zero);
   decpower(d_sel90); 
   decrgpulse(pwsel90,zero,2.0e-6,0.0);

   txphase(zero);
   delay(2.0e-6);
   zgradpulse(gzlvl6,gt6);
   delay(gstab);
   
   rgpulse(pw,zero,0.0,0.0);

   delay(2.0e-6);
   zgradpulse(gzlvl7,gt7);
   delay(2.0e-6);

   delay(taud 
     - gt7 - 4.0e-6
     - POWER_DELAY - 2.0e-6);

   decphase(zero);
   decpower(pwClvl);
   simpulse(2*pw,2*pwC,zero,zero,2.0e-6,0.0);

   delay(2.0e-6);
   zgradpulse(gzlvl7,gt7);
   delay(2.0e-6);

   delay(taud 
     - gt7 - 4.0e-6
     - 2*POWER_DELAY);

   decpower(dpwr);  /* Set power for decoupling */
   dec2power(dpwr2);  /* Set power for decoupling */

   rgpulse(pw,zero,0.0,0.0);  
    
/*   rcvron();  */          /* Turn on receiver to warm up before acq */ 

/* BEGIN ACQUISITION */

status(C);
setreceiver(t6);

}
Ejemplo n.º 28
0
pulsesequence()
{
   char   
          shname1[MAXSTR],
	  f1180[MAXSTR],
	  f2180[MAXSTR],
          SE_flg[MAXSTR],
          dec_flg[MAXSTR],
          CT_flg[MAXSTR];

   int    icosel=1,
          t1_counter,
          t2_counter,
          ni2 = getval("ni2"),
          phase;


   double d2_init=0.0,
          d3_init=0.0,
          pwS1,pwS2,pwS3,pwS4,pwS5,pwS6,
          lambda = getval("lambda"),
          CTdelay =  getval("CTdelay"),
          gzlvl1 = getval("gzlvl1"),
          gzlvl2 = getval("gzlvl2"), 
          gzlvl3 = getval("gzlvl3"), 
          gzlvl4 = getval("gzlvl4"), 
          gzlvl5 = getval("gzlvl5"), 
          gzlvl6 = getval("gzlvl6"), 
          gt1 = getval("gt1"),
          gt2 = getval("gt2"),
          gt3 = getval("gt3"),
          gt4 = getval("gt4"),
          gt5 = getval("gt5"),
          gt6 = getval("gt6"),
          gstab = getval("gstab"),
          tpwrsf = getval("tpwrsf"),
          shlvl1,
          shpw1,
          pwClvl = getval("pwClvl"),
          pwC = getval("pwC"),
          pwNlvl = getval("pwNlvl"),
          pwN = getval("pwN"),
          dpwr2 = getval("dpwr2"),
          d2 = getval("d2"),
          shbw = getval("shbw"),
          shofs = getval("shofs")-4.77,
          timeTN = getval("timeTN"),
          tauC = getval("tauC"),
          tau1 = getval("tau1"),
          tau2 = getval("tau2"),
          taunh = getval("taunh");



   getstr("shname1", shname1);
   getstr("SE_flg",SE_flg);
   getstr("dec_flg",dec_flg);
   getstr("CT_flg",CT_flg);
   getstr("f1180",f1180);
   getstr("f2180",f2180);



  phase = (int) (getval("phase") + 0.5);
   
   settable(t1,2,phi1);
   settable(t3,4,phi3);
   settable(t10,1,phi10);
   settable(t12,4,phi12);
   settable(t13,4,phi13);

/*   INITIALIZE VARIABLES   */

   shpw1 = pw*8.0;
   shlvl1 = tpwr;

   pwS1 = c13pulsepw("co", "ca", "sinc", 90.0);
   pwS2 = c13pulsepw("co", "ca", "sinc", 180.0);
   pwS3 = c13pulsepw("ca", "co", "square", 180.0);
   pwS4 = h_shapedpw("eburp2",shbw,shofs,zero, 0.0, 0.0);  
   pwS6 = h_shapedpw("reburp",shbw,shofs,zero, 0.0, 0.0);
   pwS5 = h_shapedpw("pc9f",shbw,shofs,zero, 2.0e-6, 0.0);


if (SE_flg[0] == 'y')
{
   if ( ni2*1/(sw2)/2.0 > (timeTN-pwS2*0.5-pwS4))
       { printf(" ni2 is too big. Make ni2 equal to %d or less.\n",
         ((int)((timeTN-pwS2*0.5-pwS4)*2.0*sw2)));    psg_abort(1);}
}
else
{
   if ( ni2*1/(sw2)/2.0 > (timeTN-pwS2*0.5))
       { printf(" ni2 is too big. Make ni2 equal to %d or less.\n",
         ((int)((timeTN-pwS2*0.5)*2.0*sw2)));    psg_abort(1);}
}

if (CT_flg[0] == 'y')
{
   if ( ni*1/(sw1) > (CTdelay))
       { printf(" ni is too big. Make ni equal to %d or less.\n",
         ((int)(CTdelay*sw1)));    psg_abort(1);}
}


  if (phase == 1) ;
  if (phase == 2) tsadd(t1,1,4);

if (SE_flg[0] =='y')
{
  if (phase2 == 2)  {tsadd(t10,2,4); icosel = +1;}
            else                               icosel = -1;
}
else
{
  if (phase2 == 2) tsadd(t3,1,4);
}

 

    tau1 = d2;
    if((f1180[A] == 'y') )
        { tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }
    tau1 = tau1;

   tau2 = d3;
    if((f2180[A] == 'y') )
        { tau2 += ( 1.0 / (2.0*sw2) ); if(tau2 < 0.2e-6) tau2 = 0.0; }
    tau2 = tau2;

  
    


   if( ix == 1) d2_init = d2;
   t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
   if(t1_counter % 2)
        { tsadd(t1,2,4);  tsadd(t12,2,4); tsadd(t13,2,4); }

   if( ix == 1) d3_init = d3;
   t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
   if(t2_counter % 2)
        { tsadd(t3,2,4); tsadd(t12,2,4); tsadd(t13,2,4); }



   status(A);
      rcvroff();  

   decpower(pwClvl);
   decoffset(dof);
   dec2power(pwNlvl);
   dec2offset(dof2);
   obspwrf(tpwrsf);
   decpwrf(4095.0);
   obsoffset(tof);
   set_c13offset("co");


     zgradpulse(gzlvl2, gt2);
       delay(1.0e-4);

       delay(d1-gt2);
lk_hold();

        h_shapedpulse("pc9f",shbw,shofs,zero, 2.0e-6, 0.0);  

	delay(lambda-pwS5*0.5-pwS6*0.4); 

   	h_sim3shapedpulse("reburp",shbw,shofs,0.0,2.0*pwN, one, zero, zero, 0.0, 0.0);

	delay(lambda-pwS5*0.5-pwS6*0.4);

        h_shapedpulse("pc9f_",shbw,shofs,one, 0.0, 0.0);  


   obspower(shlvl1);
/**************************************************************************/
      dec2rgpulse(pwN,zero,0.0,0.0);

           zgradpulse(gzlvl6,gt6);
           delay(timeTN-pwS2*0.5-gt6);

      sim3_c13pulse("", "co", "ca", "sinc", "", 0.0, 180.0, 2.0*pwN,
                                             zero, zero, zero, 2.0e-6, 2.0e-6);

           delay(timeTN-pwS2*0.5-taunh*0.5-shpw1);
           shaped_pulse(shname1,shpw1,two,0.0,0.0);
           zgradpulse(gzlvl6, gt6);
           delay(taunh*0.5-gt6);

     dec2rgpulse(pwN,zero,0.0,0.0);				     
           shaped_pulse(shname1,shpw1,zero,0.0,0.0);
/**************************************************************************/
/***        CO -> CA transfer             *********************************/
/**************************************************************************/
        c13pulse("co", "ca", "sinc", 90.0, zero, 2.0e-6, 0.0);

        zgradpulse(-gzlvl4, gt4);
        decphase(zero);
        delay(tauC - gt4 - 0.5*10.933*pwC);

        decrgpulse(pwC*158.0/90.0, zero, 0.0, 0.0);
        decrgpulse(pwC*171.2/90.0, two, 0.0, 0.0);
        decrgpulse(pwC*342.8/90.0, zero, 0.0, 0.0);      /* Shaka 6 composite */
        decrgpulse(pwC*145.5/90.0, two, 0.0, 0.0);
        decrgpulse(pwC*81.2/90.0, zero, 0.0, 0.0);
        decrgpulse(pwC*85.3/90.0, two, 0.0, 0.0);

        zgradpulse(-gzlvl4, gt4);
        decphase(one);
        delay(tauC - gt4 - 0.5*10.933*pwC - WFG_START_DELAY - 2.0e-6);
        c13pulse("co", "ca", "sinc", 90.0, one, 2.0e-6, 0.0);
/**************************************************************************/
/*  xxxxxxxxxxxxxxxxxxxx       13Ca EVOLUTION       xxxxxxxxxxxxxxxxxx    */
/**************************************************************************/
        set_c13offset("ca");

    if (CT_flg[0] == 'y')
    {
        c13pulse("ca", "co", "square", 90.0, t1, 2.0e-6, 0.0);   
        delay(tau1*0.5);
        sim3_c13pulse("", "co", "ca", "sinc", "", 0.0, 180.0, 2.0*pwN,
                                             zero, zero, zero, 0.0, 0.0);
        delay(CTdelay*0.5);
        c13pulse("cab", "co", "square", 180.0, zero, 0.0, 0.0);   
        delay((CTdelay-tau1)*0.5);
        c13pulse("co", "ca", "sinc", 180.0, zero, 0.0, 0.0);   

        c13pulse("ca", "co", "square", 90.0, zero, 0.0, 0.0);   
    }
    else
    {
      if (dec_flg[0] == 'y')
      {
        c13pulse("ca", "co", "square", 90.0, t1, 2.0e-6, 2.0e-6);   
        delay(tau1*0.5);
        c_shapedpulse2("isnob5",30.0,-31.0,"isnob5",30.0,120.0 , zero, 0.0, 0.0);
        dec2rgpulse(pwN*2.0,zero,0.0,0.0);				     
        delay(tau1*0.5);

        c13pulse("ca", "co", "square", 180.0, zero, 2.0e-6, 2.0e-6);
 
        dec2rgpulse(pwN*2.0,two,0.0,0.0);				     
        c_shapedpulse2("isnob5",30.0,-31.0,"isnob5",30.0,120.0 , two, 0.0, 0.0);

        c13pulse("ca", "co", "square", 90.0, zero, 2.0e-6, 2.0e-6);   
      }
      else
      {
        c13pulse("ca", "co", "square", 90.0, t1, 2.0e-6, 2.0e-6);   
        delay(tau1*0.5);
        sim3_c13pulse("", "co", "ca", "sinc", "", 0.0, 180.0, 2.0*pwN,
                                             zero, zero, zero, 2.0e-6, 2.0e-6);
        delay(tau1*0.5);

        c13pulse("ca", "co", "square", 180.0, zero, 2.0e-6, 2.0e-6);
        c13pulse("co", "ca", "sinc", 180.0, zero, 2.0e-6, 2.0e-6);   
        if (pwN*2.0 > pwS2)  delay(pwN*2.0 - pwS2);

        c13pulse("ca", "co", "square", 90.0, zero, 2.0e-6, 2.0e-6);   
       }
     }
     
        set_c13offset("co");
        zgradpulse(gzlvl3, gt3);
        delay(1.0e-4);
/**************************************************************************/
/***        CO -> CA transfer             *********************************/
/**************************************************************************/
       c13pulse("co", "ca", "sinc", 90.0, one, 2.0e-6, 0.0);

        zgradpulse(gzlvl4, gt4*0.7);
        delay(tauC - gt4*0.7 - 0.5*10.933*pwC);

        decrgpulse(pwC*158.0/90.0, zero, 0.0, 0.0);
        decrgpulse(pwC*171.2/90.0, two, 0.0, 0.0);
        decrgpulse(pwC*342.8/90.0, zero, 0.0, 0.0);     /* Shaka 6 composite */
        decrgpulse(pwC*145.5/90.0, two, 0.0, 0.0);
        decrgpulse(pwC*81.2/90.0, zero, 0.0, 0.0);
        decrgpulse(pwC*85.3/90.0, two, 0.0, 0.0);

        zgradpulse(gzlvl4, gt4*0.7);
        delay(tauC - gt4*0.7 - 0.5*10.933*pwC - WFG_START_DELAY - 2.0e-6);
                                                           /* WFG_START_DELAY */
        c13pulse("co", "ca", "sinc", 90.0, zero, 2.0e-6, 0.0);



/**************************************************************************/

   obspower(shlvl1);
        shaped_pulse(shname1,shpw1,zero,0.0,0.0);

     dec2rgpulse(pwN,t3,0.0,0.0);

      if (SE_flg[0] == 'y')
      {
           delay(tau2*0.5);
        c13pulse("ca", "co", "square", 180.0, zero, 0.0, 0.0);
          delay(taunh*0.5-pwS3);
        shaped_pulse(shname1,shpw1,two,0.0,0.0);
          delay(timeTN-pwS2*0.5-shpw1-taunh*0.5-gt1-1.0e-4);

        zgradpulse(-gzlvl1, gt1);
        delay(1.0e-4);
      sim3_c13pulse("", "co", "ca", "sinc", "", 0.0, 180.0, 2.0*pwN,
                                             zero, zero, zero, 2.0e-6, 2.0e-6);
           delay(timeTN-pwS2*0.5-tau2*0.5-pwS4);
        h_shapedpulse("eburp2",shbw,shofs,zero, 2.0e-6, 0.0); 
	dec2rgpulse(pwN, t10, 0.0, 0.0);
      }
      else
      {
           delay(tau2*0.5);
        c13pulse("ca", "co", "square", 180.0, zero, 0.0, 0.0);
          delay(taunh*0.5-pwS3);
        shaped_pulse(shname1,shpw1,two,0.0,0.0);
          delay(timeTN-pwS2*0.5-taunh*0.5-shpw1);

      sim3_c13pulse("", "co", "ca", "sinc", "", 0.0, 180.0, 2.0*pwN,
                                             zero, zero, zero, 2.0e-6, 2.0e-6);
       delay(timeTN-pwS2*0.5-tau2*0.5);
       dec2rgpulse(pwN, zero, 0.0, 0.0);
      }

/**************************************************************************/
if (SE_flg[0] == 'y')
{
	zgradpulse(gzlvl5, gt5);
	delay(lambda-pwS6*0.4  - gt5);

   	h_sim3shapedpulse("reburp",shbw,shofs,0.0,2.0*pwN, zero, zero, zero, 0.0, 0.0);

	zgradpulse(gzlvl5, gt5);
	delay(lambda-pwS6*0.4  - gt5);

	dec2rgpulse(pwN, one, 0.0, 0.0);
  
        h_shapedpulse("eburp2_",shbw,shofs,one, 0.0, 0.0); 
 

	txphase(zero);
	dec2phase(zero);
	delay(lambda-pwS4*0.5-pwS6*0.4);

   	h_sim3shapedpulse("reburp",shbw,shofs,0.0,2.0*pwN, zero, zero, zero, 0.0, 0.0);

	dec2phase(t10);
	delay(lambda-pwS4*0.5-pwS6*0.4);

 
        h_shapedpulse("eburp2",shbw,shofs,zero, 0.0, 0.0); 


	delay((gt1/10.0) + 1.0e-4 +gstab  + 2.0*GRADIENT_DELAY + POWER_DELAY);

        h_shapedpulse("reburp",shbw,shofs,zero, 0.0, rof2); 
        zgradpulse(icosel*gzlvl2, gt1/10.0);            /* 2.0*GRADIENT_DELAY */
        delay(gstab);
}
else
{
        h_shapedpulse("eburp2",shbw,shofs,zero, 2.0e-6, 0.0);
        zgradpulse(gzlvl5, gt5);
        delay(lambda-pwS6*0.4  - gt5);

        h_sim3shapedpulse("reburp",shbw,shofs,0.0,2.0*pwN, zero, zero, zero, 0.0, 0.0);

        zgradpulse(gzlvl5, gt5);
        delay(lambda-pwS6*0.4  - gt5-POWER_DELAY-1.0e-4);
}

	dec2power(dpwr2);				       /* POWER_DELAY */
lk_sample();
if (SE_flg[0] == 'y')
	setreceiver(t13);
else
	setreceiver(t12);
      rcvron();  
statusdelay(C,1.0e-4 );

}		 
Ejemplo n.º 29
0
pulsesequence()
{



    /* DECLARE AND LOAD VARIABLES */

    char        f1180[MAXSTR],   		      /* Flag to start t1 @ halfdwell */
                mag_flg[MAXSTR],       /*magic-angle coherence transfer gradients */
                f2180[MAXSTR],    		      /* Flag to start t2 @ halfdwell */
                C13refoc[MAXSTR],		/* C13 sech/tanh pulse in middle of t1*/
                NH2only[MAXSTR];		       /* spectrum of only NH2 groups */


    int         icosel,          			  /* used to get n and p type */
                t1_counter,  		        /* used for states tppi in t1 */
                t2_counter,  	 	        /* used for states tppi in t2 */
                PRexp,                          /* projection-reconstruction flag */
                ni2 = getval("ni2");

    double      tau1,         				         /*  t1 delay */
                mix = getval("mix"),		 	    /* NOESY mix time */
                tau2,        				         /*  t2 delay */
                lambda = 0.94/(4.0*getval("JNH")),	    /* 1/4J H1 evolution delay */
                tNH = 1.0/(4.0*getval("JNH")),	  /* 1/4J N15 evolution delay */
                csa, sna,
                pra = M_PI*getval("pra")/180.0,
                /* temporary Pbox parameters */
                bw, pws, ofs, ppm, nst,  /* bandwidth, pulsewidth, offset, ppm, # steps */
                /* the sech/tanh pulse is automatically calculated by the macro "biocal", */
                /* and is called directly from your shapelib.                  		      */
                pwClvl = getval("pwClvl"), 	  	        /* coarse power for C13 pulse */
                pwC = getval("pwC"),     	      /* C13 90 degree pulse length at pwClvl */
                rf0,            	          /* maximum fine power when using pwC pulses */
                rfst,	                           /* fine power for the stCall pulse */
                compH = getval("compH"),         /* adjustment for H1 amplifier compression */
                compC = getval("compC"),         /* adjustment for C13 amplifier compression */
                dof100,	      /* C13 frequency at 100ppm for both aliphatic & aromatic*/

                tpwrsf = getval("tpwrsf"),   /* fine power adjustment for flipback pulse*/
                pwHs = getval("pwHs"),	        /* H1 90 degree pulse length at tpwrs */
                tpwrs,	  	              /* power for the pwHs ("H2Osinc") pulse */

                pwNlvl = getval("pwNlvl"),	              /* power for N15 pulses */
                pwN = getval("pwN"),          /* N15 90 degree pulse length at pwNlvl */

                sw1 = getval("sw1"),
                sw2 = getval("sw2"),

                gzcal=getval("gzcal"),
                gt1 = getval("gt1"),  		       /* coherence pathway gradients */
                gzlvl1 = getval("gzlvl1"),
                gzlvl2 = getval("gzlvl2"),

                gt0 = getval("gt0"),				   /* other gradients */
                gt3 = getval("gt3"),
                gt4 = getval("gt4"),
                gt5 = getval("gt5"),
                gstab = getval("gstab"),
                gzlvl0 = getval("gzlvl0"),
                gzlvl3 = getval("gzlvl3"),
                gzlvl6 = getval("gzlvl6"),
                gzlvl4 = getval("gzlvl4"),
                gzlvl5 = getval("gzlvl5");

    getstr("f1180",f1180);
    getstr("mag_flg",mag_flg);
    getstr("f2180",f2180);
    getstr("C13refoc",C13refoc);
    getstr("NH2only",NH2only);

    csa = cos(pra);
    sna = sin(pra);


    /*   LOAD PHASE TABLE    */

    settable(t1,2,phi1);
    settable(t3,4,phi3);

    settable(t9,16,phi9);
    settable(t10,1,phi10);
    settable(t11,8,rec);




    /*   INITIALIZE VARIABLES   */

    /* maximum fine power for pwC pulses (and initialize rfst) */
    rf0 = 4095.0;
    rfst=0.0;

    setautocal();                        /* activate auto-calibration flags */

    if (autocal[0] == 'n')
    {
        /* 180 degree adiabatic C13 pulse from 0 to 200 ppm */
        if (C13refoc[A]=='y')
        {
            rfst = (compC*4095.0*pwC*4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35));
            rfst = (int) (rfst + 0.5);
            if ( 1.0/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35)) < pwC )
            {   text_error( " Not enough C13 RF. pwC must be %f usec or less.\n",
                            (1.0e6/(4000.0*sqrt((30.0*sfrq/600.0+7.0)/0.35))) );
                psg_abort(1);
            }
        }
    }
    else        /* if autocal = 'y'(yes), 'q'(quiet), r(read), or 's'(semi) */
    {
        if(FIRST_FID)                                            /* call Pbox */
        {
            if (C13refoc[A]=='y')
            {
                ppm = getval("dfrq");
                ofs = 0.0;
                pws = 0.001;  /* 1 ms long pulse */
                bw = 200.0*ppm;
                nst = 1000;          /* nst - number of steps */
                stC200 = pbox_makeA("stC200", "sech", bw, pws, ofs, compC*pwC, pwClvl, nst);
            }
            ofs_check(H1ofs, C13ofs, N15ofs, H2ofs);
        }
        if (C13refoc[A]=='y') rfst = stC200.pwrf;
    }

    /* 180 degree adiabatic C13 pulse from 0 to 200 ppm */
    dof100 = dof + 65.0*dfrq;

    /* selective H20 one-lobe sinc pulse */
    tpwrs = tpwr - 20.0*log10(pwHs/((compH*pw)*1.69));   /* needs 1.69 times more */
    tpwrs = (int) (tpwrs);                   /* power than a square pulse */




    /* CHECK VALIDITY OF PARAMETER RANGES */

    if ( (mix - gt4 - gt5) < 0.0 )
    {   text_error("mix is too small. Make mix equal to %f or more.\n",(gt4 + gt5));
        psg_abort(1);
    }

    if((dm[A] == 'y' || dm[B] == 'y' || dm[C] == 'y' ))
    {
        text_error("incorrect dec1 decoupler flags! Should be 'nnn' ");
        psg_abort(1);
    }

    if((dm2[A] == 'y' || dm2[B] == 'y'))
    {
        text_error("incorrect dec2 decoupler flags! Should be 'nny' ");
        psg_abort(1);
    }

    if( dpwr2 > 50 )
    {
        text_error("don't fry the probe, DPWR2 too large!  ");
        psg_abort(1);
    }

    if( pw > 20.0e-6 )
    {
        text_error("dont fry the probe, pw too high ! ");
        psg_abort(1);
    }

    if( pwN > 100.0e-6 )
    {
        text_error("dont fry the probe, pwN too high ! ");
        psg_abort(1);
    }



    /* PHASES AND INCREMENTED TIMES */

    /*  Phase incrementation for hypercomplex 2D data, States-Haberkorn element */

    if (phase1 == 2)
        tsadd(t1,1,4);
    if (phase2 == 1)
    {
        tsadd(t10,2,4);
        icosel = 1;
    }
    else icosel = -1;


    /*  Set up f1180  */

    PRexp = 0;
    if((pra > 0.0) && (pra < 90.0)) PRexp = 1;

    if(PRexp)                /* set up Projection-Reconstruction experiment */
        tau1 = d2*csa;
    else
        tau1 = d2;
    if((f1180[A] == 'y') && (ni > 1.0))
    {
        tau1 += ( 1.0 / (2.0*sw1) );
        if(tau1 < 0.2e-6) tau1 = 0.0;
    }
    tau1 = tau1/2.0;


    /*  Set up f2180  */

    if(PRexp)
        tau2 = d2*sna;
    else
    {
        tau2 = d3;
        if((f2180[A] == 'y') && (ni2 > 1.0))
        {
            tau2 += ( 1.0 / (2.0*sw2) );
            if(tau2 < 0.2e-6) tau2 = 0.0;
        }
    }
    tau2 = tau2/2.0;


    /* Calculate modifications to phases for States-TPPI acquisition          */

    if( ix == 1) d2_init = d2;
    t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
    if(t1_counter % 2)
    {
        tsadd(t1,2,4);
        tsadd(t11,2,4);
    }

    if( ix == 1) d3_init = d3;
    t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
    if(t2_counter % 2)
    {
        tsadd(t3,2,4);
        tsadd(t11,2,4);
    }



    /*  Correct inverted signals for NH2 only spectra  */

    if (NH2only[A]=='y')
    {
        tsadd(t3,2,4);
    }



    /* BEGIN PULSE SEQUENCE */

    status(A);
    obspower(tpwr);
    decpower(pwClvl);
    dec2power(pwNlvl);
    decoffset(dof);
    decpwrf(rf0);
    txphase(zero);
    dec2phase(zero);

    delay(d1);

    dec2rgpulse(pwN, zero, 0.0, 0.0);  /*destroy N15 and C13 magnetization*/
    decrgpulse(pwC, zero, 0.0, 0.0);
    zgradpulse(gzlvl0, 0.5e-3);
    delay(1.0e-4);
    dec2rgpulse(pwN, one, 0.0, 0.0);
    decrgpulse(pwC, one, 0.0, 0.0);
    zgradpulse(0.7*gzlvl0, 0.5e-3);

    txphase(t1);
    decphase(zero);
    dec2phase(zero);
    initval(135.0,v1);
    obsstepsize(1.0);
    xmtrphase(v1);
    delay(5.0e-4);
    rcvroff();


    rgpulse(pw, t1, 50.0e-6, 0.0);                     /* 1H pulse excitation */

    xmtrphase(zero);					/* SAPS_DELAY */
    txphase(zero);


    if (tau1 > (2.0*GRADIENT_DELAY + pwN + 0.64*pw + 5.0*SAPS_DELAY))
    {
        if (tau1>0.002)
        {
            zgradpulse(gzlvl6, 0.8*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw));
            delay(0.2*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw) - SAPS_DELAY);
        }
        else
        {
            delay(tau1-pwN-0.64*pw);
        }
        if (C13refoc[A]=='y')
            sim3pulse(0.0, 2.0*pwC, 2.0*pwN, zero, zero, zero, 0.0, 0.0);
        else
            dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
        if (tau1>0.002)
        {
            zgradpulse(-1.0*gzlvl6, 0.8*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw));
            delay(0.2*(tau1 - 2.0*GRADIENT_DELAY - pwN - 0.64*pw) - SAPS_DELAY);
        }
        else
        {
            delay(tau1-pwN-0.64*pw);
        }
    }
    else if (tau1 > (0.64*pw + 0.5*SAPS_DELAY))
        delay(2.0*tau1 - 2.0*0.64*pw - SAPS_DELAY );

    rgpulse(pw, zero, 0.0, 0.0);

    delay(mix - gt4 - gt5 -gstab -200.0e-6);
    dec2rgpulse(pwN, zero, 0.0, 0.0);
    zgradpulse(gzlvl4, gt4);
    delay(gstab);

    rgpulse(pw, zero, 200.0e-6,0.0);			       /* HSQC begins */

    dec2phase(zero);
    zgradpulse(gzlvl0, gt0);
    delay(lambda - gt0);

    sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);

    txphase(one);
    zgradpulse(gzlvl0, gt0);
    delay(lambda - gt0);

    rgpulse(pw, one, 0.0, 0.0);
    txphase(two);
    if (tpwrsf<4095.0)
    {
        obspower(tpwrs+6.0);
        obspwrf(tpwrsf);
        shaped_pulse("H2Osinc", pwHs, two, 5.0e-4, 0.0);
        obspower(tpwr);
        obspwrf(4095.0);
    }
    else
    {
        obspower(tpwrs);
        shaped_pulse("H2Osinc", pwHs, two, 5.0e-4, 0.0);
        obspower(tpwr);
    }
    zgradpulse(gzlvl3, gt3);
    dec2phase(t3);
    decpwrf(rfst);
    decoffset(dof100);
    delay(2.0e-4);
    dec2rgpulse(pwN, t3, 0.0, 0.0);
    decphase(zero);


    /*  xxxxxxxxxxxxxxxxxx    OPTIONS FOR N15 EVOLUTION    xxxxxxxxxxxxxxxxxxxxx  */

    txphase(zero);
    dec2phase(t9);

    if (NH2only[A]=='y')
    {
        delay(tau2);
        /* optional sech/tanh pulse in middle of t2 */
        if (C13refoc[A]=='y') 				   /* WFG_START_DELAY */
        {   decshaped_pulse("stC200", 1.0e-3, zero, 0.0, 0.0);
            delay(tNH - 1.0e-3 - WFG_START_DELAY - 2.0*pw);
        }
        else
        {
            delay(tNH - 2.0*pw);
        }
        rgpulse(2.0*pw, zero, 0.0, 0.0);
        if (tNH < gt1 + 1.99e-4)  delay(gt1 + 1.99e-4 - tNH);

        delay(tau2);

        dec2rgpulse(2.0*pwN, t9, 0.0, 0.0);
        if (mag_flg[A] == 'y')
        {
            magradpulse(gzcal*gzlvl1, gt1);
        }
        else
        {
            zgradpulse(gzlvl1, gt1);
        }
        dec2phase(t10);
        if (tNH > gt1 + 1.99e-4)  delay(tNH - gt1 - 2.0*GRADIENT_DELAY);
        else   delay(1.99e-4 - 2.0*GRADIENT_DELAY);
    }

    else
    {
        if ( (C13refoc[A]=='y') && (tau2 > 0.5e-3 + WFG2_START_DELAY) )
        {   delay(tau2 - 0.5e-3 - WFG2_START_DELAY); /* WFG2_START_DELAY */
            simshaped_pulse("", "stC200", 2.0*pw, 1.0e-3, zero, zero, 0.0, 0.0);
            delay(tau2 - 0.5e-3);
            delay(gt1 + 2.0e-4);
        }
        else
        {   delay(tau2);
            rgpulse(2.0*pw, zero, 0.0, 0.0);
            delay(gt1 + 2.0e-4 - 2.0*pw);
            delay(tau2);
        }

        dec2rgpulse(2.0*pwN, t9, 0.0, 0.0);

        if (mag_flg[A] == 'y')
        {
            magradpulse(gzcal*gzlvl1, gt1);
        }
        else
        {
            zgradpulse(gzlvl1, gt1);
        }
        dec2phase(t10);
        delay(2.0e-4 - 2.0*GRADIENT_DELAY);
    }

    /*  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx  */

    sim3pulse(pw, 0.0, pwN, zero, zero, t10, 0.0, 0.0);

    dec2phase(zero);
    zgradpulse(gzlvl5, gt5);
    delay(lambda - 1.5*pwN - gt5);

    sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);

    zgradpulse(gzlvl5, gt5);
    txphase(one);
    dec2phase(one);
    delay(lambda  - 1.5*pwN - gt5);

    sim3pulse(pw, 0.0, pwN, one, zero, one, 0.0, 0.0);

    txphase(zero);
    dec2phase(zero);
    zgradpulse(1.5*gzlvl5, gt5);
    delay(lambda - 1.5*pwN - gt5);

    sim3pulse(2.0*pw, 0.0, 2.0*pwN, zero, zero, zero, 0.0, 0.0);

    zgradpulse(1.5*gzlvl5, gt5);
    delay(lambda - pwN - 0.5*pw - gt5);

    rgpulse(pw, zero, 0.0, 0.0);

    delay((gt1/10.0) + 1.0e-4+ gstab - 0.5*pw + 2.0*GRADIENT_DELAY + POWER_DELAY);

    rgpulse(2.0*pw, zero, 0.0, rof1);
    dec2power(dpwr2);				       /* POWER_DELAY */
    if (mag_flg[A] == 'y')
    {
        magradpulse(icosel*gzcal*gzlvl2, gt1/10.0);
    }
    else
    {
        zgradpulse(icosel*gzlvl2, gt1/10.0);
    }
    delay(gstab);
    rcvron();
    statusdelay(C,1.0e-4-rof1);

    setreceiver(t11);
}
Ejemplo n.º 30
0
pulsesequence()
{



/* DECLARE AND LOAD VARIABLES */

char        f1180[MAXSTR],   		      /* Flag to start t1 @ halfdwell */
            f2180[MAXSTR],    		      /* Flag to start t2 @ halfdwell */
	    ribose[MAXSTR],	 		    /* ribose CHn groups only */
	    AH2H8[MAXSTR],		         /* Adenine H2-H8 correlation */
	    H2Opurge[MAXSTR],
	    rna_stCdec[MAXSTR],	       /* calls STUD+ waveforms from shapelib */
	    STUD[MAXSTR];   /* apply automatically calculated STUD decoupling */
 
int         t1_counter,  		        /* used for states tppi in t1 */
            t2_counter;  	 	        /* used for states tppi in t2 */

double      tau1,         				         /*  t1 delay */
            tau2,        				         /*  t2 delay */
            stdmf = getval("dmf80"),     /* dmf for 80 ppm of STUD decoupling */
            rf80 = getval("rf80"),       	  /* rf in Hz for 80ppm STUD+ */
	    taua = getval("taua"),   /* time delays for CH coupling evolution */
	    taub = getval("taub"),
	    tauc = getval("tauc"),

/* string parameter rna_stCdec calls stud decoupling waveform from your shapelib.*/
   studlvl,	                         /* coarse power for STUD+ decoupling */

	pwClvl = getval("pwClvl"), 	        /* coarse power for C13 pulse */
        pwC = getval("pwC"),          /* C13 90 degree pulse length at pwClvl */
	rfC,            	  /* maximum fine power when using pwC pulses */
	dofa,	    /* dof shifted to 80 ppm for ribose and 145 ppm for AH2H8 */
	tofa,	    		    /* tof shifted to 7.5 ppm in t1 for AH2H8 */

/* p_d is used to calculate the isotropic mixing on the C-ribose region */
        p_d,                 	       /* 50 degree pulse for DIPSI-3 at rfdC */
        rfdC,               /* fine power for 7.5 kHz or 4.0 kHz rf at 500MHz */
	ncyc = getval("ncyc"), 			  /* no. of cycles of DIPSI-3 */

   compC = getval("compC"),       /* adjustment for C13 amplifier compression */

	pwNlvl = getval("pwNlvl"),	              /* power for N15 pulses */
        pwN = getval("pwN"),          /* N15 90 degree pulse length at pwNlvl */

	sw1 = getval("sw1"),
	sw2 = getval("sw2"),

 grecov = getval("grecov"),   /* Gradient recovery delay, typically 150-200us */

	gt0 = getval("gt0"),				   /* other gradients */
	gt3 = getval("gt3"),
	gt4 = getval("gt4"),
	gt5 = getval("gt5"),
	gt7 = getval("gt7"),
	gzlvl0 = getval("gzlvl0"),
	gzlvl3 = getval("gzlvl3"),
	gzlvl4 = getval("gzlvl4"),
	gzlvl5 = getval("gzlvl5"),
	gzlvl6 = getval("gzlvl6"),
	gzlvl7 = getval("gzlvl7");

    getstr("f1180",f1180);
    getstr("f2180",f2180);
    getstr("ribose",ribose);
    getstr("AH2H8",AH2H8);
    getstr("H2Opurge",H2Opurge);
    getstr("STUD",STUD);

/*   LOAD PHASE TABLE    */

	settable(t3,2,phi3);
	settable(t5,4,phi5);
	settable(t9,8,phi9);
	settable(t11,8,rec);


/*   INITIALIZE VARIABLES   */

/* maximum fine power for pwC pulses */
	rfC = 4095.0;

  if (ribose[A] == 'y')
   {
/*  Center dof in RIBOSE region on 80ppm. */
	tofa = tof;
        dofa = dof - 30.0*dfrq;
		
/* dipsi-3 decoupling on C-ribose */	
 	p_d = (5.0)/(9.0*4.0*7000.0*(sfrq/800));  /* 35ppm DIPSI-3 */
     	rfdC = (compC*4095.0*pwC*5.0)/(p_d*9.0); 
	rfdC = (int) (rfdC + 0.5);
  	ncyc = (int) (ncyc + 0.5);
   }
  else
   {
/*  Center dof in adenine C2-C4-C6-C8-C5 region on 145 ppm. */
	tofa = tof + 2.5*sfrq;
        dofa = dof + 35.0*dfrq;

/* dipsi-3 decoupling on C-aromatic */
        p_d = (5.0)/(9.0*4.0*8000.0*(sfrq/800));  /* 40ppm DIPSI-3 */
        rfdC = (compC*4095.0*pwC*5.0)/(p_d*9.0);
        rfdC = (int) (rfdC + 0.5);
        ncyc = (int) (ncyc + 0.5);
   }

/* 80 ppm STUD+ decoupling */
        strcpy(rna_stCdec, "wurst80");
        studlvl = pwClvl + 20.0*log10(compC*pwC*4.0*rf80);
        studlvl = (int) (studlvl + 0.5);


/* CHECK VALIDITY OF PARAMETER RANGES */


    if((ribose[A] == 'y' && AH2H8[A] == 'y' ))
    { text_error("Choose either ribose='y' or AH2H8='y' !! ");
        psg_abort(1); }

    if((dm[A] == 'y' || dm[B] == 'y' ))
    { text_error("incorrect dec1 decoupler flags! Should be 'nny' or 'nnn' ");
        psg_abort(1); }

    if((dm2[A] == 'y' || dm2[B] == 'y'))
    { text_error("incorrect dec2 decoupler flags! Should be 'nny' or 'nnn' ");
        psg_abort(1); }

    if( (((dm[C] == 'y') && (dm2[C] == 'y')) && (STUD[A] == 'y')) )
    { text_error("incorrect dec2 decoupler flags! Should be 'nnn' if STUD='y'"); psg_abort(1); }

    if((dm3[A] == 'y' || dm3[C] == 'y' ))
    { text_error("incorrect dec1 decoupler flags! Should be 'nyn' or 'nnn' "); psg_abort(1); }

    if( dpwr > 50 )
    { text_error("don't fry the probe, DPWR too large!  "); psg_abort(1); }

    if( dpwr2 > 50 )
    { text_error("don't fry the probe, DPWR2 too large!  "); psg_abort(1); }

    if( (pw > 20.0e-6) && (tpwr > 56) )
    { text_error("don't fry the probe, pw too high ! "); psg_abort(1); }

    if( (pwC > 40.0e-6) && (pwClvl > 56) )
    { text_error("don't fry the probe, pwN too high ! "); psg_abort(1); }

    if( (pwN > 100.0e-6) && (pwNlvl > 56) )
    { text_error("don't fry the probe, pwN too high ! "); psg_abort(1); }
 
    if ((dm3[B] == 'y'  &&   dpwr3 > 44 ))
    { text_error ("Deuterium decoupling power too high ! "); psg_abort(1); }

    if ((ncyc > 1 ) && (ix == 1))
    { text_error("mixing time is %f ms.\n",(ncyc*97.8*4*p_d)); }


/* PHASES AND INCREMENTED TIMES */

/*  Phase incrementation for hypercomplex 2D data, States-Haberkorn element */

    if (phase1 == 2) 
	 tsadd(t3,1,4);  
    if (phase2 == 2) 
	 tsadd(t5,1,4);

/*  C13 TIME INCREMENTATION and set up f1180  */

/*  Set up f1180  */
   
    tau1 = d2;

    if(f1180[A] == 'y') 
	{ tau1 += ( 1.0 / (2.0*sw1) ); if(tau1 < 0.2e-6) tau1 = 0.0; }

    tau1 = tau1/2.0;


/*  Set up f2180  */

    tau2 = d3;

    if(f2180[A] == 'y') 
	{ tau2 += ( 1.0 / (2.0*sw2) ); if(tau2 < 0.2e-6) tau2 = 0.0; }

    tau2 = tau2/2.0;



/* Calculate modifications to phases for States-TPPI acquisition          */

   if( ix == 1) d2_init = d2;
   t1_counter = (int) ( (d2-d2_init)*sw1 + 0.5 );
   if(t1_counter % 2) 
	{ tsadd(t3,2,4); tsadd(t11,2,4); }

   if( ix == 1) d3_init = d3;
   t2_counter = (int) ( (d3-d3_init)*sw2 + 0.5 );
   if(t2_counter % 2) 
	{ tsadd(t5,2,4); tsadd(t11,2,4); }



/*   BEGIN PULSE SEQUENCE   */

status(A);
        if (dm3[B] == 'y') lk_sample();
	delay(d1);
        if (dm3[B] == 'y') lk_hold();
	rcvroff();

	obspower(tpwr);
	decpower(pwClvl);
 	dec2power(pwNlvl);
	decpwrf(rfC);
	obsoffset(tofa);
	decoffset(dofa);
	dec2offset(dof2);
	txphase(t3);
	delay(1.0e-5);

	decrgpulse(pwC, zero, 0.0, 0.0);	   /*destroy C13 magnetization*/
	zgradpulse(gzlvl0, 0.5e-3);
	delay(grecov/2);
	decrgpulse(pwC, one, 0.0, 0.0);
	zgradpulse(0.7*gzlvl0, 0.5e-3);
	delay(5.0e-4);

        if (dm3[B] == 'y')	  /*optional 2H decoupling on */
        {
          dec3unblank();
          dec3rgpulse(1/dmf3, one, 0.0, 0.0); 
          dec3unblank();
          setstatus(DEC3ch, TRUE, 'w', FALSE, dmf3);
         } 

	rgpulse(pw, t3, 0.0, 0.0);                    /* 1H pulse excitation */
	zgradpulse(gzlvl0, gt0);		/* 2.0*GRADIENT_DELAY */	
        decphase(zero);
	delay(taua + tau1 - gt0 - 2.0*GRADIENT_DELAY - 2.0*pwC);
        decrgpulse(2.0*pwC, zero, 0.0, 0.0);
        txphase(zero);
	delay(tau1);
	rgpulse(2.0*pw, zero, 0.0, 0.0);
	zgradpulse(gzlvl0, gt0);
        txphase(one);
	decphase(t5);
	obsoffset(tof);
	delay(taua - gt0);
	rgpulse(pw, one, 0.0, 0.0);
	zgradpulse(gzlvl3, gt3);
	delay(grecov);
        decrgpulse(pwC, t5, 0.0, 0.0);
	delay(tau2);
	dec2rgpulse(2.0*pwN, zero, 0.0, 0.0);
	zgradpulse(gzlvl4, gt4);		        /* 2.0*GRADIENT_DELAY */
        decphase(zero);
	delay(taub - 2.0*pwN - gt4 - 2.0*GRADIENT_DELAY);
        txphase(zero);
	decpwrf(rfC);
	delay(taub - 2.0*pw);
	rgpulse(2.0*pw, zero, 0.0, 0.0);
	delay(tau2);
	decrgpulse(2.0*pwC, zero, 0.0, 0.0);
	delay(taub);
	zgradpulse(gzlvl4, gt4);	        /* 2.0*GRADIENT_DELAY */	
	decpwrf(rfdC);
	delay(taub - gt4 - 2.0*GRADIENT_DELAY);
	decrgpulse(1.0e-3, zero, 0.0, 0.0);
	initval(ncyc, v2);
	starthardloop(v2);
     decrgpulse(4.9*p_d,one,0.0,0.0);
     decrgpulse(7.9*p_d,three,0.0,0.0);
     decrgpulse(5.0*p_d,one,0.0,0.0);
     decrgpulse(5.5*p_d,three,0.0,0.0);
     decrgpulse(0.6*p_d,one,0.0,0.0);
     decrgpulse(4.6*p_d,three,0.0,0.0);
     decrgpulse(7.2*p_d,one,0.0,0.0);
     decrgpulse(4.9*p_d,three,0.0,0.0);
     decrgpulse(7.4*p_d,one,0.0,0.0);
     decrgpulse(6.8*p_d,three,0.0,0.0);
     decrgpulse(7.0*p_d,one,0.0,0.0);
     decrgpulse(5.2*p_d,three,0.0,0.0);
     decrgpulse(5.4*p_d,one,0.0,0.0);
     decrgpulse(0.6*p_d,three,0.0,0.0);
     decrgpulse(4.5*p_d,one,0.0,0.0);
     decrgpulse(7.3*p_d,three,0.0,0.0);
     decrgpulse(5.1*p_d,one,0.0,0.0);
     decrgpulse(7.9*p_d,three,0.0,0.0);

     decrgpulse(4.9*p_d,three,0.0,0.0);
     decrgpulse(7.9*p_d,one,0.0,0.0);
     decrgpulse(5.0*p_d,three,0.0,0.0);
     decrgpulse(5.5*p_d,one,0.0,0.0);
     decrgpulse(0.6*p_d,three,0.0,0.0);
     decrgpulse(4.6*p_d,one,0.0,0.0);
     decrgpulse(7.2*p_d,three,0.0,0.0);
     decrgpulse(4.9*p_d,one,0.0,0.0);
     decrgpulse(7.4*p_d,three,0.0,0.0);
     decrgpulse(6.8*p_d,one,0.0,0.0);
     decrgpulse(7.0*p_d,three,0.0,0.0);
     decrgpulse(5.2*p_d,one,0.0,0.0);
     decrgpulse(5.4*p_d,three,0.0,0.0);
     decrgpulse(0.6*p_d,one,0.0,0.0);
     decrgpulse(4.5*p_d,three,0.0,0.0);
     decrgpulse(7.3*p_d,one,0.0,0.0);
     decrgpulse(5.1*p_d,three,0.0,0.0);
     decrgpulse(7.9*p_d,one,0.0,0.0);

     decrgpulse(4.9*p_d,three,0.0,0.0);
     decrgpulse(7.9*p_d,one,0.0,0.0);
     decrgpulse(5.0*p_d,three,0.0,0.0);
     decrgpulse(5.5*p_d,one,0.0,0.0);
     decrgpulse(0.6*p_d,three,0.0,0.0);
     decrgpulse(4.6*p_d,one,0.0,0.0);
     decrgpulse(7.2*p_d,three,0.0,0.0);
     decrgpulse(4.9*p_d,one,0.0,0.0);
     decrgpulse(7.4*p_d,three,0.0,0.0);
     decrgpulse(6.8*p_d,one,0.0,0.0);
     decrgpulse(7.0*p_d,three,0.0,0.0);
     decrgpulse(5.2*p_d,one,0.0,0.0);
     decrgpulse(5.4*p_d,three,0.0,0.0);
     decrgpulse(0.6*p_d,one,0.0,0.0);
     decrgpulse(4.5*p_d,three,0.0,0.0);
     decrgpulse(7.3*p_d,one,0.0,0.0);
     decrgpulse(5.1*p_d,three,0.0,0.0);
     decrgpulse(7.9*p_d,one,0.0,0.0);

     decrgpulse(4.9*p_d,one,0.0,0.0);
     decrgpulse(7.9*p_d,three,0.0,0.0);
     decrgpulse(5.0*p_d,one,0.0,0.0);
     decrgpulse(5.5*p_d,three,0.0,0.0);
     decrgpulse(0.6*p_d,one,0.0,0.0);
     decrgpulse(4.6*p_d,three,0.0,0.0);
     decrgpulse(7.2*p_d,one,0.0,0.0);
     decrgpulse(4.9*p_d,three,0.0,0.0);
     decrgpulse(7.4*p_d,one,0.0,0.0);
     decrgpulse(6.8*p_d,three,0.0,0.0);
     decrgpulse(7.0*p_d,one,0.0,0.0);
     decrgpulse(5.2*p_d,three,0.0,0.0);
     decrgpulse(5.4*p_d,one,0.0,0.0);
     decrgpulse(0.6*p_d,three,0.0,0.0);
     decrgpulse(4.5*p_d,one,0.0,0.0);
     decrgpulse(7.3*p_d,three,0.0,0.0);
     decrgpulse(5.1*p_d,one,0.0,0.0);
     decrgpulse(7.9*p_d,three,0.0,0.0);

	endhardloop();
        decrgpulse(9.0*p_d/5.0, t9, 2.0e-6, 0.0);
     if( H2Opurge[A] == 'y' )
         {obspwrf(1000.0); rgpulse(900*pw, zero, 0.0, 0.0);
	   rgpulse(500*pw, one, 0.0, 0.0); obspwrf(4095.0); }
	zgradpulse(gzlvl7, gt7);
	decpwrf(rfC);
	delay(50.0e-6);
        rgpulse(pw,zero,0.0,0.0);
	zgradpulse(gzlvl7, gt7/1.6);
        decrgpulse(pwC, three, 100.0e-6, 0.0); 
	zgradpulse(gzlvl5, gt5);
	decphase(zero);
	delay(tauc - gt5);
	simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);
	zgradpulse(gzlvl5, gt5);
	delay(tauc - gt5);
	decrgpulse(pwC, zero, 0.0, 0.0);
	zgradpulse(gzlvl3, gt3);
        if(dm3[B] == 'y')	         /*optional 2H decoupling off */
        {
         dec3rgpulse(1/dmf3, three, 0.0, 0.0);
         dec3blank();
         setstatus(DEC3ch, FALSE, 'w', FALSE, dmf3);
         dec3blank();
        }
	delay(grecov);
	rgpulse(pw, zero, 0.0, 0.0);
	zgradpulse(gzlvl6, gt5);
	delay(taua - gt5);
	simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);
	zgradpulse(gzlvl6, gt5);
  if (STUD[A]=='y') decpower(studlvl);

  else
   {
	decpower(dpwr);
	dec2power(dpwr2);
   }
	delay(taua - gt5);
	rgpulse(pw, zero, 0.0, rof2);
        rcvron();
        if (dm3[B] == 'y') lk_sample();
	setreceiver(t11);
  if ((STUD[A]=='y') && (dm[C] == 'y'))
       {
        decpower(studlvl);
        decunblank();
        decon();
        decprgon(rna_stCdec,1/stdmf, 1.0);
        startacq(alfa);
        acquire(np, 1.0/sw);
        decprgoff();
        decoff();
        decblank();
       }
   else	
	 status(C);
}