添加噪声处理，分析了该信号的时域、频域、倒谱，循环谱等,预报误差法参数辨识-松弛的思想，利用matlab GUI实现的串口编程例子，滤波求和方式实现宽带波束形成。- Add noise processing, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Prediction Error Method for Parameter Identification- the idea of relaxation, Use serial programming examples matlab GUI implementation, Filtering summation way broadband beamforming.