用于特征降维，特征融合，相关分析等,有较好的参考价值，用于信号特征提取、信号消噪，进行波形数据分析,多元数据分析的主分量分析投影，可以实现模式识别领域的数据的分类及回归。-For feature reduction, feature fusion, correlation analysis, There are good reference value, For feature extraction, signal de-noising, Waveform data analysis, Principal component analysis of multivariate data analysis projection, You can achieve data classification and regression pattern recognition.