Class Calculfft

Class Calculfft

java.lang.Object
   |
   +----Calculfft

public class Calculfft
extends Object
class Calculfft performs the computation of the FFT from a vector of Pts. This code is based on aC program download on internet.
Author:
???
See Also:
Pts

Constructor Index

 o Calculfft(Vector, Courbe)

Method Index

 o bit_swap(int, int)
 o fft(int, int, int)
 o get_img()

Constructors

 o Calculfft
  public Calculfft(Vector t,
                   Courbe c)
Parameters:
Vector - t contains the sampled and windowed points function of the time
Returns:
Vector ft

Methods

 o get_img
  public Vector get_img()
Returns:
fti the other part of Fourier transform
 o bit_swap
  public int bit_swap(int i,
                      int nu)
 o fft
  public void fft(int n_pts,
                  int nu,
                  int inv)