vs
Class vsFFT1D

java.lang.Object
  |
  +--vs.vsFFT1D

public class vsFFT1D

extends java.lang.Object

Constructor Summary

vsFFT1D()

Method Summary

void	fft(double[] in_r, double[] in_i) FFT engine.
void	forwardFFT(double[] in_r, double[] in_i)
double[]	getImaginaryData()
double[]	getRealData()
int	log2(double d)
double[]	magnitudeSpectrum(double[] in_r, double[] in_i)
static void	main(java.lang.String[] args)
void	reverseFFT(double[] in_r, double[] in_i)
void	swap(int i, int numBits) 1D FFT utility functions.
void	swapInt(int i, int j)
void	testFFT() A way to visually test the 1D FFT on a small amount of data.
void	timeFFT(int n)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

vsFFT1D

public vsFFT1D()

Method Detail

fft

public void fft(double[] in_r,
                double[] in_i)

FFT engine.

forwardFFT

public void forwardFFT(double[] in_r,
                       double[] in_i)

getImaginaryData

public double[] getImaginaryData()

getRealData

public double[] getRealData()

log2

public int log2(double d)

magnitudeSpectrum

public double[] magnitudeSpectrum(double[] in_r,
                                  double[] in_i)

main

public static void main(java.lang.String[] args)

reverseFFT

public void reverseFFT(double[] in_r,
                       double[] in_i)

swap

public void swap(int i,
                 int numBits)

1D FFT utility functions.

swapInt

public void swapInt(int i,
                    int j)

testFFT

public void testFFT()

A way to visually test the 1D FFT on a small amount of data.

timeFFT

public void timeFFT(int n)