private void BindFFTOutput(double[] wave, WaveSetup setup)
{
var fftResult = FourierCalculator.Forward(wave);
var series = new Series("Freq " + (chartFFTOutputs.Series.Count + 1));
chartFFTOutputs.Series.Add(series);
double hzInSample = setup.SampleRate / setup.NumberOfSamples;
for (int i = 0; i <= maxFreq; i++)
{
var val = fftResult[i];
var powR = Math.Pow(val.Item1, 2);
var powI = Math.Pow(val.Item2, 2);
//abs = abs(sqrt(real^2+imag^2))
var abs = Math.Abs(Math.Sqrt(powR + powI));
double mag = (2.0 / setup.NumberOfSamples) * abs;
chartFFTOutputs.Series[series.Name].Points.AddXY(i * hzInSample, mag);
}
}
public FourierTransformer()
{
calc = new FourierCalculator();
}
