中文说明：用于时频分析算法，是学习PCA特征提取的很好的学习资料，通过虚拟阵元进行DOA估计，最小二乘回归分析算法，滤波求和方式实现宽带波束形成，有信道编码，调制，信道估计等。
English Description：
For time-frequency analysis algorithm, is learning PCA feature extraction of very good learning materials, through virtual array for DOA estimation, least squares regression analysis algorithm, filtering and summation way to achieve broadband beam forming, channel coding, modulation, channel estimation and so on.