代码搜索:FFt 有哪些应用?
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www.eeworm.com/read/162091/10336283
c fft.c
#include
#include
#include
#define PI 3.14159265358979323846
struct COMPLEX
{
float re;
float im;
} cplx , * Hfield , * S , * R , * w;
www.eeworm.com/read/425498/10350864
c fft.c
/*
*
* FFT.c
*
* Based on FFT.cpp from Audacity, which contained the following text:
*
* This file contains a few FFT routines, including a real-FFT
* routine that is almost twice as fa
www.eeworm.com/read/279847/10383498
c fft.c
#include
#include
#include
#define PI 3.14159265358979323846
struct COMPLEX
{
float re;
float im;
} cplx , * Hfield , * S , * R , * w;
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obj fft.obj
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sbr fft.sbr
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cpp fft.cpp
#include
#include
#include
#include
#include
#include
#include "sound.h"
#include "fft.moc"
#include
extern "C" {
#in
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h fft.h
#ifndef FFT_H
#define FFT_H
#include
#include
/* ------------------------------------------------------------------------ */
class FFTWindow : public QWidget
{
Q_OBJECT
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c fft.c
#include
#include
#include
#include
#include
#include
#include
#include
#include
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c fft.c
#include
#include
#include
#include
#define REAL(z,i) ((z)[2*(i)])
#define IMAG(z,i) ((z)[2*(i)+1])
int
main (void)
{
int i; double dat
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texi fft.texi
@cindex FFT
@cindex Fast Fourier Transforms, see FFT
@cindex Fourier Transforms, see FFT
@cindex Discrete Fourier Transforms, see FFT
@cindex DFTs, see FFT
This chapter describes functions for perfor