用于特征降维，特征融合，相关分析等,是学习PCA特征提取的很好的学习资料，解耦，恢复原信号，数据模型归一化，模态振动，有均匀线阵的CRB曲线，连续相位调制信号(CPM)产生，在MATLAB中求图像纹理特征，时间序列数据分析中的梅林变换工具。- For feature reduction, feature fusion, correlation analysis, Is a good learning materials to learn PCA feature extraction, Decoupling, restore the original signal, Normalized data model, modal vibration, There ULA CRB curve, Continuous phase modulation signal (CPM) to produce, In the MATLAB image texture feature, Time series data analysis Mellin transform tool.