public Filter(int size)
{
this.filter_real = new float[size];
this.filter_imag = new float[size];
this.i_overlap = new float[size / 2];
this.q_overlap = new float[size / 2];
this.size = size;
this.fft = new FFT(size);
this.filter_designer = new FilterDesigner();
}
public PowerSpectrum(int fft_size, WindowType wt)
{
this.fft_size = fft_size;
this.results_size = fft_size;
this.window = new double[fft_size / 2];
this.ps_results = new double[fft_size]; //don't overrun results buffer
this.fft = new FFT(fft_size);
this.filt_design = new FilterDesigner();
filt_design.makewindow(wt, fft_size / 2, ref window);
}
unsafe public PowerSpectrum(int fft_size)
{
this.mode = PowerSpectrumMode.OFF;
this.position = PowerSpectrumPosition.PREFILTER;
this.fft_size = fft_size;
this.results_size = fft_size;
this.window = new float[fft_size / 2];
this.ps_results = new float[fft_size]; //don't overrun results buffer
this.scope_results = new float[fft_size];
this.phase_results = new float[fft_size * 2];
this.fft = new FFT(fft_size);
this.filt_design = new FilterDesigner();
fixed(float *ptr_window = &window[0])
{
filt_design.makewindow(WindowType.BLACKMANHARRIS_WINDOW, fft_size / 2, ptr_window);
}
}