此程序用于计算一维信号倒频谱，并根据其倒频谱进行时域滤波，最后进行逆傅里叶变换，突出原始信号中的原始信号，消除传递路径的影响-This program is used to calculate one-dimensional signal spectrum, and according to its inverse spectrum in the time domain filtering, finally to inverse Fourier transform, highlight the