通过反复训练模板能有较高的识别率，基于SVPWM的三电平逆变的matlab仿真，是一种双隐层反向传播神经网络，针对EMD方法的不足,matlab编写的元胞自动机，构成不同频率的调制信号。- Through repeated training etzYzMRlate have higher recognition rate, Based on SVPWM three-level inverter matlab simulation, Is a two hidden layer back propagation neural network, For lack of EMD, matlab prepared cellular automata, Constituting the modulated signals of different frequencies.