中文说明：用于特征降维，特征融合，相关分析等,包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，包括数据分析、绘图等等,信号处理中的旋转不变子空间法，包括随机梯度算法，相对梯度算法，包含了阵列信号处理的常见算法。
English Description：
For the feature dimension reduction, feature integration, correlation analysis, including MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm, including data analysis, mapping, and so on, rotation-invariant subspace methods in signal processing, including stochastic gradient algorithm, algorithm of relative gradient, contains common array signal processing algorithms.