对信号进行频谱分析及滤波，相关分析过程的matlab方法，可以实现模式识别领域的数据的分类及回归，有详细的注释，用于特征降维，特征融合，相关分析等,信号处理中的旋转不变子空间法，有CDF三角函数曲线/三维曲线图，滤波求和方式实现宽带波束形成。-The signal spectral analysis and filtering, Correlation analysis process matlab method, You can achieve data classification and regression pattern recognition, There are detailed notes, For feature reduction, feature fusion, correlation analysis, Signal Processing ESPRIT method, There CDF trigonometric curve/3D graphs, Filtering summation way broadband beamforming.