时间序列数据分析中的梅林变换工具，应用小区域方差对比，程序简单，matlab程序运行时导入数据文件作为输入参数，相参脉冲串复调制信号，研究生时的现代信号处理的作业，针对EMD方法的不足,快速扩展随机生成树算法，从先验概率中采样，计算权重。- Time series data analysis Mellin transform tool, Application of small area variance comparison, simple procedures, Import data files as input parameters matlab program is running, Complex modulation coherent pulse train signal, Modern signal processing jobs when the graduate, For lack of EMD, Rapid expansion of random spanning tree algorithm, Sampling　a priori probability, calculate the weight.