分析了该信号的时域、频域、倒谱，循环谱等,对信号进行频谱分析及滤波，多姿态，多角度，有不同光照,一种噪声辅助数据分析方法,滤波求和方式实现宽带波束形成。-Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. The signal spectral analysis and filtering, Much posture, multi-angle, have different light, A noise auxiliary data analysis method, Filtering summation way broadband beamforming.