代码搜索：如何学习 FFt？

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c fft.c

/* * fft.c * * Unix Version 2.4 by Steve Sampson, Public Domain, September 1988 * * This program produces a Frequency Domain display from the Time Domain * data input; using the Fast Fouri
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fft2

Well, according to the amount of E-mail I received, and as I cannot answer to all of them, I am posting the 2D FFT program I have written in C. How to use it : first, it can be used only on matr
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txt fft.txt

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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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c fft.c

#include "main_leak.h" #include "math.h" //以输入序列的偶数点和奇数点作为实虚部，然后根据共轭对称求得原序列的变换 //m为对n取以2为底的对数值（2的m次方为n） FFT(float FFTDATA[],float FFTIMAGE[],int m,int n) { float *leftdata_p; float *ibuffer
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map fft.map

****************************************************************************** TMS320C54x COFF Linker PC Version 3.70 ******************************************************
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asm fft.asm

************************************* *Radix-2,DIT,Real-input FFT Program * * fft.asm * ************************************* .mmregs .global reset,start,sav_sin,sav_
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paf fft.paf

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obj fft.obj

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pjt fft.pjt

; Code Composer Project File, Version 2.0 (do not modify or remove this line) [Project Settings] ProjectName="fft" ProjectDir="D:\Program Files\ti\myprojects\fft0\" ProjectType=Executable CPUFa
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