private void TransformMethod()
{
if (SelectedSignal != null)
{
SampledSignal signal = new SampledSignal();
signal.PointsY = SelectedSignal.PointsY;
signal.Name = $"{SelectedSignal.Name} {SelectedTransform}";
Stopwatch timer = new Stopwatch();
timer.Start();
switch (SelectedTransform.Substring(1, 4))
{
case "F1.1":
signal.ComplexPoints = FourierTransform.Transform(signal.PointsY);
break;
case "F1.2":
FastFourierTransform fourierTransform = new FastFourierTransform();
signal.ComplexPoints = fourierTransform.Transform(signal.PointsY);
break;
case "F1.3":
signal.ComplexPoints = WaveletTransform.Transform(signal.PointsY);
break;
}
timer.Stop();
Time = timer.ElapsedMilliseconds;
SignalCreator.AddSignal(signal);
}
}
public void SineSignalTransform()
{
var data = new FunctionData(samples: 256);
Generator.GenerateSignal(data);
var fft = new FastFourierTransform();
var transform = fft.Transform(data.Points.ToArray());
}
static void Main(string[] args)
{
var len = 4096;
var pow = 12;
FastFourierTransform fft = new FastFourierTransform(len,len, pow);
var arr = new Complex[len];
for (int i = 0; i < len; i++)
{
arr[i] = Math.Sin(2*Math.PI*i/len);
}
fft.Transform(arr, true);
}
public void TransformTest()
{
var r = new Random();
var t1 = new DiscreteFourierTransform();
var t2 = new FastFourierTransform();
var points = new List <Point>();
var points2 = new List <Point>();
var x = 0;
points.Add(new Point(x++, 1));
points.Add(new Point(x++, 2));
points.Add(new Point(x++, 3));
points.Add(new Point(x, 1));
x = 0;
points2.Add(new Point(x, 1));
points2.Add(new Point(x, 1));
points2.Add(new Point(x, 1));
points2.Add(new Point(x, 1));
points2.Add(new Point(x, 0));
points2.Add(new Point(x, 0));
points2.Add(new Point(x, 0));
points2.Add(new Point(x, 0));
var first = t1.Transform(points.ToArray()).ToList();
var second = t2.Transform(points.ToArray()).ToList();
var f2 = t1.Transform(points2.ToArray()).ToList();
var s2 = t2.Transform(points2.ToArray()).ToList();
for (int i = 0; i < first.Count; i++)
{
Assert.AreEqual(first[i], second[i]);
}
}
public void Compute()
{
Stopwatch timer = new Stopwatch();
List <Complex> complex = new List <Complex>();
timer.Start();
string chartCase = SelectedOutputChart.Substring(1, 2);
switch (SelectedOperation.Substring(1, 4))
{
case "F1.1":
complex = FourierTransform.Transform(SelectedSignal1Tab.TabContent.Data.Samples);
break;
case "F1.2":
FastFourierTransform f = new FastFourierTransform();
complex = f.Transform(SelectedSignal1Tab.TabContent.Data.Samples);
break;
case "F1.3":
complex = WaveletTransform.Transform(SelectedSignal1Tab.TabContent.Data.Samples);
break;
}
timer.Stop();
var time = timer.ElapsedMilliseconds;
if (chartCase.Contains("W1"))
{
ComplexChartsW1 window = new ComplexChartsW1(complex);
window.Show();
MessageBox.Show("Czas obliczeń: " + time.ToString() + " ms", "Czas", MessageBoxButton.OK, MessageBoxImage.Information);
}
else
{
ComplexChartsW2 window = new ComplexChartsW2(complex);
window.Show();
MessageBox.Show("Czas obliczeń: " + time.ToString() + " ms", "Czas", MessageBoxButton.OK, MessageBoxImage.Information);
}
}
