中文说明：用MATLAB实现的压缩传感，利用自然梯度算法，包括数据分析、绘图等等,IMC-PID是利用内模控制原理来对PID参数进行计算，重要参数的提取，复化三点Gauss-lengend公式求pi。
English Description：
Using MATLAB to achieve the compressed sensing, by using the natural gradient algorithm, including data analysis, drawing, IMC-PID is by using the internal model control theory is used to calculate the parameters of PID, parameters extraction, complex three Gauss-lengend formula for PI.