用于时频分析算法，包含位置式PID算法、积分分离式PID，可以广泛的应用于数据预测及数据分析,实现串口的数据采集，包括主成分分析、因子分析、贝叶斯分析，基于互功率谱的时延估计，用MATLAB实现的压缩传感，IMC-PID是利用内模控制原理来对PID参数进行计算。-For time-frequency analysis algorithm, It contains positional PID algorithm, integral separate PID, Can be widely used in data analysis and forecast data, Achieve serial data acquisition, Including principal component analysis, factor analysis, Bayesian analysis, Based on the time delay estimation of power spectrum, Using MATLAB compressed sensing, The IMC- PID is using the internal model control principle for PID parameters is calculated.