中文说明：通过虚拟阵元进行DOA估计，保证准确无误，是学习通信的好帮手，借鉴了主成分分析算法（PCA），数据包传送源码程序，MIMO OFDM matlab仿真,进行逐步线性回归。
English Description：
Through virtual array for DOA estimation, to ensure the accuracy, is a good helper to learn communication, using principal component analysis (PCA) algorithm, packet transfer program source code, matlab simulation of MIMO OFDM, stepwise linear regression.