从先验概率中采样，计算权重，针对EMD方法的不足,应用小区域方差对比，程序简单，PLS部分最小二乘工具箱,基于欧几里得距离的聚类分析，实现典型相关分析，构成不同频率的调制信号。- Sampling a priori probability, calculate the weight, For lack of EMD, Application of small area variance comparison, simple procedures, PLS PLS toolbox, Cluste