中文说明：预报误差法参数辨识-松弛的思想，相控阵天线的方向图（切比雪夫加权），结合PCA的尺度不变特征变换(SIFT)算法，最小二乘回归分析算法，主同步信号PSS在时域上的相关仿真，通过虚拟阵元进行DOA估计。
English Description：
Prediction error method for parameter identification - relaxation of thought, phased array antenna directional diagram (Chebyshev weighted), combined with PCA scale invariant feature transform (SIFT) algorithm and least squares regression analysis algorithm, PSS main synchronizing signal in the time domain simulation, through the virtual array for DOA estimation.