基于vc6.0实现fft与卷积的方法，本例经过测试，绝对好用-Fft-based implementation vc6.0 and convolution methods tested in this case, the absolute ease of use

基于matlAB的切比雪夫、FFT频谱分析、FFT线性卷积、巴特沃斯程序代码，自己编写的-Based on The Chebychev matlAB the FFT spectrum analysis, FFT linear convolution code Butterworth own written