代码搜索:FFt 有哪些应用?

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dpr fft.dpr

{ **************************************************************************** } { FileName............: FFT.PAS } { Project.............: FFT
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c fft.c

/* * FFT/IFFT transforms * Copyright (c) 2002 Fabrice Bellard. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * Li
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asm fft.asm

************************************* *Radix-2,DIT,Real-input FFT Program * * fft.asm * ************************************* .mmregs .global sav_sin,sav_idx,sav_gr
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c fft.c

//FFT.c C callable FFT function in C #define PTS 256 //# of points for FFT typedef struct {float real,imag;} COMPLEX; extern COMPLEX w[PTS]; //twiddle constants stored in w v
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m fft.m

function Y = fft(X,varargin) % $Id: fft.m 53 2005-01-05 11:17:56Z mairas $ y = fft(X.s,varargin{:}); Y = spectrum(y,X.time.fs); %warning('time data discarded');
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c fft.c

/* * fft.c * * Version 2.6 by Steve Sampson, Public Domain, November 1988 * * This program produces a Frequency Domain display from the Time Domain * data input; using the Fast Fourier Transform
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c fft.c

/* fft.c -- in-place decimation-in-time FFT */ #include void shuffle(), dftmerge(); void fft(N, X) complex *X; int N; { shuffle(N, X); dftmerge(N, X); }
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sbl fft.sbl

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c fft.c

//TMS320LF2407上实现快速傅里叶变换(FFT) //FFT的程序代码 //(1)主程序 #include "f2407_c.h" #include "math.h" #define N 32 // FFT变换的点数 extern void fft(void); extern void
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pjt fft.pjt

; Code Composer Project File, Version 2.0 (do not modify or remove this line) [Project Settings] ProjectDir="E:\2407\fft\" ProjectType=Executable CPUFamily=TMS320C24XX Tool="Compiler" Tool="Cu