代码搜索:如何学习 FFt?
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asm fft.asm
.title "cFFT.asm"
.mmregs
.global _cFFT
.global _fft_out
.ref sine
.ref cosine
fft_data .usect "fft_data",2048
d_input .usect "d_input
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out fft.out
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c fft.c
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h fft.h
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obj fft.obj
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h fft.h
//fft.h complex FFT function taken from Rulph's C31 book
//this file contains definition of complex dat structure also
struct cmpx //complex data structure used by FFT
{
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lib fft.lib
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h fft.h
/*===================================================================
File name : FFT.H
Originator : Digital Control Systems Group
Te
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txt fft变换.txt
/*=====================================================
函数名称:FFT
函数功能:FFT变换,基2DIT
输入参数: x 复数点序列,
m FFT的级数
输出参数:无,原址操作
====================================================*/
void FFT(COMPLEX
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txt fft.txt
/****************************************************
FFT()
参数:
TD为时域值
FD为频域值
power为2的幂数
返回值:
无
说明:
本函数实现快速傅立叶变换
***************************************************