快速傅里叶变换(fastFouriertransform),即利用计算机计算离散傅里叶变换（DFT)的高效、快速计算方法的统称，简称FFT。快速傅里叶变换是1965年由J.W.库利和T.W.图基提出的。采用这种算法能使计算机计算离散傅里叶变换所需要的乘法次数大为减少，特别是被变换的抽样点数N越多，F...
Kiss FFT is a small and simple FFT library. It has no complicated platform-specific optimizations, can do either fixed o...
PWM 变频调速FFT分析 use the FFT tool of Powergui to display the frequency spectrum of voltage and current waveforms....
fft源代码,#include "f2407_c.h" #include "math.h" #define N 32 // FFT变换的点数 extern void fft(void)； extern void resave(v...
fft.c--This computes an in-place complex-to-complex FFT x and y are the real and imaginary arrays of 2^m points. di...