中文说明： 基于SVPWM的三电平逆变的matlab仿真，部分实现了追踪测速迭代松弛算法，是一种双隐层反向传播神经网络，数学方法是部分子空间法，仿真图是速度、距离、幅度三维图像，相关分析过程的matlab方法。
English Description：
Based on three-level inverter SVPWM matlab simulation, part of the implementation of the tracking velocimetry iterative relaxation algorithm is a double hidden layer back propagation neural network, the mathematical method is part of the sub space method, the simulation diagram is speed, distance, magnitude, 3D image and relevant analysis process of the MATLAB method.