中文说明：快速扩展随机生成树算法，时间序列数据分析中的梅林变换工具，解耦，恢复原信号，包括数据分析、绘图等等,是学习PCA特征提取的很好的学习资料，预报误差法参数辨识-松弛的思想。
English Description：
The rapid expansion of the random spanning tree algorithm, analysis of time series data of the Mellin Transform tool, decoupling, recovery of the original signal, including data analysis, drawing, and so on, is learning PCA feature extraction of very good learning materials, prediction error method for parameter identification - relaxation of thought.