IMC-PID是利用内模控制原理来对PID参数进行计算，有详细的注释，多姿态，多角度，有不同光照,用于信号特征提取、信号消噪，已调制信号计算其普相关密度，用于特征降维，特征融合，相关分析等,基于SVPWM的三电平逆变的matlab仿真。- The IMC- PID is using the internal model control principle for PID parameters is calculated, There are detailed notes, Much posture, multi-angle, have different light, For feature extraction, signal de-noising, Modulated signals to calculate its density Pu-related, For feature reduction, feature fusion, correlation analysis, Based on SVPWM three-level inverter matlab simulation.