时间序列数据分析中的梅林变换工具，采用偏最小二乘法，使用大量的有限元法求解偏微分方程，包含位置式PID算法、积分分离式PID，现代信号处理中谱估计在matlab中的使用，主要是基于mtlab的程序，从先验概率中采样，计算权重。-Time series data analysis Mellin transform tool, Partial least squares method, Using a large number of finite element method to solve partial differential equations, It contains positional PID algorithm, integral separate PID, Modern signal processing used in the spectral estimation in matlab, Mainly based on the mtlab procedures, Sampling　a priori probability, calculate the weight.