de.gsi.math.spectra.fft

Class ComplexFFT_1D

java.lang.Object

de.gsi.math.spectra.fft.ComplexFFT_1D

public class ComplexFFT_1D
extends Object

classic FFT implementation based on the Complex data object

Author:

rstein

Constructor Summary

Constructors

Constructor and Description
ComplexFFT_1D()

Method Summary

Modifier and Type	Method and Description
static org.apache.commons.math3.complex.Complex[]	cconvolve(org.apache.commons.math3.complex.Complex[] x, org.apache.commons.math3.complex.Complex[] y)
static org.apache.commons.math3.complex.Complex[]	convolve(org.apache.commons.math3.complex.Complex[] x, org.apache.commons.math3.complex.Complex[] y)
static org.apache.commons.math3.complex.Complex[]	fft_orig(org.apache.commons.math3.complex.Complex[] x)
static org.apache.commons.math3.complex.Complex[]	fft(org.apache.commons.math3.complex.Complex[] x)
static org.apache.commons.math3.complex.Complex[]	ifft(org.apache.commons.math3.complex.Complex[] x)
static void	main(String[] args)

Methods inherited from class java.lang.Object

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

Constructor Detail

ComplexFFT_1D

public ComplexFFT_1D()

Method Detail

cconvolve

public static org.apache.commons.math3.complex.Complex[] cconvolve(org.apache.commons.math3.complex.Complex[] x,
                                                                   org.apache.commons.math3.complex.Complex[] y)

convolve

public static org.apache.commons.math3.complex.Complex[] convolve(org.apache.commons.math3.complex.Complex[] x,
                                                                  org.apache.commons.math3.complex.Complex[] y)

fft

public static org.apache.commons.math3.complex.Complex[] fft(org.apache.commons.math3.complex.Complex[] x)

fft_orig

public static org.apache.commons.math3.complex.Complex[] fft_orig(org.apache.commons.math3.complex.Complex[] x)

ifft

public static org.apache.commons.math3.complex.Complex[] ifft(org.apache.commons.math3.complex.Complex[] x)

main

public static void main(String[] args)