FFT和IFFT的MATLAB实现代码 用时间抽取的基2快速傅里叶变换实现序列卷积 对利用自编函数对信号进行DFT变换 对利用自编函数对信号进行DFT反变换-FFT IFFT dft

已知两个信号序列： 用conv函数求两个序列的卷积和，并绘制三个序列的波形。(Two signal sequences are known: The convolution sum of two sequences is obtained by using the conv function, and the waveform of the three sequences is drawn.)