用hanning窗的插值FFT算法，适用于电力系统信号的谐波分析,Hanning window with interpolation FFT algorithm, applied to power system harmonic analysis signals

基于DSP的傅里叶算法的研究，主要讲述傅里叶算的原理以及各个环节在DSP中的实现-The Fourier algorithm DSP-based research focuses on Fourier operator principle and all aspects of implementation of the DSP

fft混合基算法，c代码实现，可移植混合基的傅立叶变换算法-FFT algorithm of mixed base, c code, portable mixed base of Fourier transform algorithm