AdaptAver::AdaptAver(QWidget *parent) :
QWidget(parent),
ui(new Ui::AdaptAver)
{
ui->setupUi(this);
connect(ui->spinBox_2, SIGNAL(valueChanged(int)),
this, SLOT(checkVariance(int)));
connect(ui->pushButton_5, SIGNAL(clicked()),
this, SLOT(adArAvFilter()));
connect(ui->spinBox, SIGNAL(valueChanged(int)),
this, SLOT(checkSpin(int)));
ui->spinBox_2->setMinimum(50);
ui->spinBox_2->setMaximum(30000); //ограничиваем значение шума
ui->spinBox_2->setValue(50);
ui->spinBox_2->setSingleStep(50);
dispNoise = 50; //устанавливаем исходное значение дисперсии шума
connect(ui->pushButton_2, SIGNAL(clicked()),
this, SLOT(adaptFilter()));
connect(ui->spinBox_3, SIGNAL(valueChanged(int)),
this, SLOT(checkLimit(int)));
limit=1;
strength = 1;
}
/*
* adaptive (noise reduction) filter a la
* doug smith (Signal, Samples and stuff 3, qex
* july 1998.
* basic: h(k+ 1) = lambda h(k) + 2 * u * err * x (k)
* it really works
*/
adaptiveFilter::adaptiveFilter (int fsize) {
firsize = fsize;
Kernel = new DSPFLOAT [fsize];
Buffer = new DSPCOMPLEX [fsize + fsize];
/*
* we choose a small mu
*/
adaptFilter (0.10);
}
