void pulsesequence()
{
char c1d[MAXSTR]; /* option to record only 1D C13 spectrum */
int ncyc;
double tau1 = 0.002, /* t1 delay */
post_del = 0.0,
pwClvl = getval("pwClvl"), /* coarse power for C13 pulse */
pwC = getval("pwC"), /* C13 90 degree pulse length at pwClvl */
compC = getval("compC"),
compH = getval("compH"),
mixpwr = getval("mixpwr"),
jCH = getval("jCH"),
gt0 = getval("gt0"),
gt1 = getval("gt1"),
gt2 = getval("gt2"),
gzlvl0 = getval("gzlvl0"),
gzlvl1 = getval("gzlvl1"),
gzlvl2 = getval("gzlvl2"),
grec = getval("grec"),
phase = getval("phase");
getstr("c1d",c1d);
ncyc=1;
if(jCH > 0.0)
tau1 = 0.25/jCH;
dbl(ct, v1); /* v1 = 0 */
mod4(v1,oph);
hlv(ct,v2);
add(v2,v1,v2);
if (phase > 1.5)
incr(v1); /* hypercomplex phase increment */
initval(2.0*(double)((int)(d2*getval("sw1")+0.5)%2),v10);
add(v1,v10,v1);
add(oph,v10,oph);
mod4(v1,v1); mod4(v2,v2); mod4(oph,oph);
assign(zero,v3);
if(FIRST_FID)
{
HHmix = pbox_mix("HHmix", "DIPSI2", mixpwr, pw*compH, tpwr);
if(c1d[A] == 'n')
{
opx("CHdec"); setwave("WURST2 30k/1.2m"); pbox_par("steps","600"); cpx(pwC*compC, pwClvl);
CHdec = getDsh("CHdec");
}
}
ncyc = (int) (at/HHmix.pw) + 1;
post_del = ncyc*HHmix.pw - at;
/* BEGIN PULSE SEQUENCE */
status(A);
zgradpulse(gzlvl0, gt0);
rgpulse(pw, zero, 0.0, 0.0); /* destroy H-1 magnetization*/
zgradpulse(gzlvl0, gt0);
delay(1.0e-4);
obspower(tpwr);
txphase(v1);
decphase(zero);
dec2phase(zero);
presat();
obspower(tpwr);
delay(1.0e-5);
status(B);
if(c1d[A] == 'y')
{
rgpulse(pw,v1,0.0,0.0); /* 1H pulse excitation */
delay(d2);
rgpulse(pw,two,0.0,0.0); /* 1H pulse excitation */
assign(oph,v3);
}
else
{
decunblank(); pbox_decon(&CHdec);
rgpulse(pw,v1,0.0,0.0); /* 1H pulse excitation */
txphase(zero);
delay(d2);
pbox_decoff(); decblank();
decpower(pwClvl); decpwrf(4095.0);
delay(tau1 - POWER_DELAY);
simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);
txphase(one); decphase(one); dec2phase(one);
delay(tau1);
simpulse(pw, pwC, one, one, 0.0, 0.0);
txphase(zero); decphase(zero); dec2phase(zero);
delay(tau1);
simpulse(2.0*pw, 2.0*pwC, zero, zero, 0.0, 0.0);
delay(tau1);
simpulse(0.0, pwC, zero, zero, 0.0, 0.0);
}
zgradpulse(gzlvl1, gt1);
delay(grec);
simpulse(0.0, pwC, zero, v3, 0.0, rof2);
txphase(v2);
obsunblank(); pbox_xmtron(&HHmix);
status(C);
setactivercvrs("ny");
startacq(alfa);
acquire(np,1.0/sw);
endacq();
delay(post_del);
pbox_xmtroff(); obsblank();
zgradpulse(gzlvl2, gt2);
obspower(tpwr);
delay(grec);
rgpulse(pw,zero,0.0,rof2); /* 1H pulse excitation */
status(D);
setactivercvrs("yn");
startacq(alfa);
acquire(np,1.0/sw);
endacq();
}
pulsesequence()
{
char mixpat[MAXSTR], pshape[MAXSTR], httype[MAXSTR], sspul[MAXSTR];
double rg1 = 2.0e-6,
mix = getval("mix"), /* mixing time */
mixpwr = getval("mixpwr"), /* mixing pwr */
compH = getval("compH"),
gt0 = getval("gt0"), /* gradient pulse in sspul */
gt2 = getval("gt2"), /* gradient pulse preceding mixing */
gzlvl0 = getval("gzlvl0"), /* gradient level for gt0 */
gzlvl2 = getval("gzlvl2"), /* gradient level for gt2 */
gstab = getval("gstab"); /* delay for gradient recovery */
shape hdx;
void setphases();
getstr("sspul", sspul);
getstr("pshape", pshape);
getstr("httype", httype);
getstr("mixpat", mixpat);
setlimit("mixpwr", mixpwr, 48.0);
(void) setphases();
if (httype[0] == 'i')
assign(zero,v2);
/* MAKE PBOX SHAPES */
if (FIRST_FID)
hhmix = pbox_mix("HHmix", mixpat, mixpwr, pw*compH, tpwr);
/* HADAMARD stuff */
if(httype[0] == 'e') /* excitation */
hdx = pboxHT_F1e(pshape, pw*compH, tpwr);
else if(httype[0] == 'r') /* refocusing */
hdx = pboxHT_F1r(pshape, pw*compH, tpwr);
else if(httype[0] == 'd') /* DPFGSE */
{
hdx = pboxHT_F1r(pshape, pw*compH, tpwr);
if (FIRST_FID)
ref180 = hdx;
}
else /* httype[0] == 'i' */ /* inversion */
hdx = pboxHT_F1i(pshape, pw*compH, tpwr);
if (getval("htcal1") > 0.5) /* Optional fine power calibration */
hdx.pwr += getval("htpwr1");
/* THE PULSE PROGRAMM STARTS HERE */
status(A);
delay(5.0e-5);
zgradpulse(gzlvl0,gt0);
if (sspul[A] == 'y')
{
rgpulse(pw,zero,rof1,rof1);
zgradpulse(gzlvl0,gt0);
}
pre_sat();
if (getflag("wet"))
wet4(zero,one);
delay(1.0e-5);
obspower(tpwr);
delay(1.0e-5);
status(B);
if (httype[0] == 'i') /* longitudinal encoding */
{
ifzero(v1);
delay(2.0*(pw+rg1));
zgradpulse(gzlvl2,gt2);
delay(gstab);
elsenz(v1);
rgpulse(2.0*pw,v3,rg1,rg1);
zgradpulse(gzlvl2,gt2);
delay(gstab);
endif(v1);
pbox_pulse(&hdx, zero, rg1, rg1);
zgradpulse(gzlvl2,gt2);
delay(gstab);
}
else /* transverse encoding */
{
if (httype[0] == 'e')
pbox_pulse(&hdx, oph, rg1, rg1);
else
{
rgpulse(pw,oph,rg1,rg1);
if (httype[0] == 'd') /* DPFGSE */
{
zgradpulse(2.0*gzlvl2,gt2);
delay(gstab);
pbox_pulse(&ref180, oph, rg1, rg1);
zgradpulse(2.0*gzlvl2,gt2);
delay(gstab);
}
zgradpulse(gzlvl2,gt2);
delay(gstab);
pbox_pulse(&hdx, v2, rg1, rof2);
zgradpulse(gzlvl2,gt2);
delay(gstab - POWER_DELAY);
}
}
if (mix)
pbox_spinlock(&hhmix, mix, v2);
if (httype[0] == 'i')
{
zgradpulse(0.87*gzlvl2,gt2);
delay(gstab);
obspower(tpwr);
txphase(v3);
rgpulse(pw,v3,rg1,rof2);
}
status(C);
}
pulsesequence()
{
char rcvrsflag[MAXSTR],
mrmode[MAXSTR];
double compH, Hdpwr, pw90,
pwx = getval("pwx"),
pwxlvl = getval("pwxlvl");
getstr("rcvrs",rcvrsflag);
getstr("mrmode",mrmode);
Hdpwr = 0.0; compH = 1.0; /* initialize the parameters */
if (strcmp(rcvrsflag,"yy"))
printf("rcvrs parameter should be set to 'yy'\n");
/* check decoupling modes */
if ((dm[A] == 'y') || (dm[B] == 'y') || (dm[C] == 'y') || (dm[D] == 'y') || (h**o[0] == 'y'))
{
printf("dm should be set to 'nnnn' and h**o should set to 'n'");
psg_abort(1);
}
if(mrmode[A] == 'd') /* make the decoupling waveform */
{
Hdpwr = getval("Hdpwr");
compH = getval("compH");
pw90 = getval("pw90");
if(FIRST_FID)
H1dec = pbox_mix("pansyW16", "WALTZ16", Hdpwr, pw90*compH, tpwr);
}
else if(mrmode[A] != 's')
mrmode[A] = 'p'; /* default is 'p' */
status(A);
delay(1.0e-4);
decpower(pwxlvl);
obspower(tpwr);
delay(d1);
status(B);
if(mrmode[A] != 'p') /* sequential acquisition */
{
rgpulse(pw, oph, rof1, rof2);
setactivercvrs("yn");
startacq(alfa);
acquire(np,1.0/sw);
endacq();
delay(1.0e-6);
if(mrmode[A] == 'd')
{
obsunblank();
pbox_xmtron(&H1dec);
}
delay(d2);
decrgpulse(pwx, oph, rof1, rof2);
status(C);
setactivercvrs("ny");
startacq(alfa);
acquire(np,1.0/sw);
endacq();
if(mrmode[A] == 'd')
{
pbox_xmtroff();
obsblank();
}
}
else
{
delay(d2);
simpulse(pw, pwx, oph, oph, rof1, rof2);
status(C);
}
}
