预报误差法参数辨识-松弛的思想，滤波求和方式实现宽带波束形成，直线阵采用切比学夫加权控制主旁瓣比。- Prediction Error Method for Parameter Identification- the idea of relaxation, Filtering summation way broadband beamforming, Linear array using cut than learning laid upon the right control of the ma