/**
* Construct a FourierTransform that will analyze sample buffers that are
* <code>ts</code> samples long and contain samples with a <code>sr</code>
* sample rate.
*
* @param ts
* the length of the buffers that will be analyzed
* @param sr
* the sample rate of the samples that will be analyzed
*/
public FourierTransform(int ts, float sr)
{
timeSize = ts;
sampleRate = (int)sr;
bandWidth = (2f / timeSize) * ((float)sampleRate / 2f);
NoAverages();
AllocateArrays();
currentWindow = new RectangularWindow(); // a Rectangular window is analogous to using no window.
}
/**
* Sets the window to use on the samples before taking the forward transform.
* If an invalid window is asked for, an error will be reported and the
* current window will not be changed.
*
* @param windowFunction
* the new WindowFunction to use, typically one of the statically defined
* windows like HAMMING or BLACKMAN
*
* @related FFT
* @related WindowFunction
*
* @example Analysis/FFT/Windows
*/
public void Window(WindowFunction windowFunction)
{
this.currentWindow = windowFunction;
}