有循环检测，周期性检测，最小二乘回归分析算法，代码里有很完整的注释和解释，利用自然梯度算法，各种kalman滤波器的设计，基于SVPWM的三电平逆变的matlab仿真，重要参数的提取，FIR 底通和带通滤波器和IIR 底通和带通滤波器。- There are cycle detection, periodic testing, Least-squares regression analysis algorithm, Code, there are very complete notes and explanations Use of natural gradient algorithm, Various kalman filter design, Based on SVPWM three-level inverter matlab simulation, Extract important parameters, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter.