用于特征降维，特征融合，相关分析等,在matlab R2009b调试通过，用于建立主成分分析模型，滤波求和方式实现宽带波束形成，结合PCA的尺度不变特征变换(SIFT)算法，各种kalman滤波器的设计，对信号进行频谱分析及滤波。- For feature reduction, feature fusion, correlation analysis, In matlab R2009b debugging through, Principal component analysis model for establishing, Filtering summation way broadband beamforming, Combined with PCA scale invariant feature transform (SIFT) algorithm, Various kalman filter design, The signal spectral analysis and filtering.