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 ***************************************************