意信号卷积的运算,并且绘制图象，分析了该信号的时域、频域、倒谱，循环谱等,滤波求和方式实现宽带波束形成。- Convolution operation is intended to signal and image rendering, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Filtering summation way broadband beamforming.