基于欧几里得距离的聚类分析，IDW距离反比加权方法，信号处理中的旋转不变子空间法，快速扩展随机生成树算法，解耦，恢复原信号，PLS部分最小二乘工具箱。- Clustering analysis based on Euclidean distance, IDW inverse distance weighting method, Signal Processing ESPRIT method, Rapid expansion of random spanning tree algorithm, Decoupling, restore the original signal, PLS PLS toolbox.