代码搜索:FFt 开发教程
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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
www.eeworm.com/read/385714/8791415
c fft.c
/**
* FFT(IFFT) - Fast Fourier transform. The length of X must be a
* power of two, for a fast radix-2 fast-Fourier transform algorithm
* is used. spadger@bmy 2007.9.2
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pjt fft.pjt
; Code Composer Project File, Version 2.0 (do not modify or remove this line)
[Project Settings]
ProjectName="evm5409_test1"
ProjectDir="F:\EVM-JXXY2\FFT\"
ProjectType=Executable
CPUFamily=TMS3
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map fft.map
******************************************************************************
TMS320C54x COFF Linker PC Version 3.83
*******************************************************
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paf fft.paf
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asm fft.asm
.title "FFT.asm"
.mmregs
.global _MFFT
.text
sine1: .sect "sine1"
.word 0 ,201 ,402 ,603
.word 804 ,1005 ,1205 ,1407
.word 1607 ,1808 ,2009 ,
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out fft.out
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cpp fft.cpp
/*****************************************************************************
The following code is derived, directly or indirectly, from the SystemC
source code Copyright (c) 1996-2002 by al
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h fft.h
/*****************************************************************************
The following code is derived, directly or indirectly, from the SystemC
source code Copyright (c) 1996-2002 by al
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c fft.c
/*时间抽选基2FFT及IFFT算法C语言实现*/
/*Author :Junyi Sun*/
/*Copyright 2004-2005*/
/*Mail:ccnusjy@yahoo.com.cn*/
#include
#include
#include
#define N 1000
/*定义复数类型*/
typede