用于初学者的SPWM，是自己亲手做的，感觉还是很好的。大家可以拿来用。-For beginners SPWM, do their own hand, I feel is very good. We can make use of them.

matlab 做的仿真 SPWM 单相 全桥逆变。亲测有效，希望能帮到大家(Matlab simulation SPWM single-phase full bridge inverter. The test is effective and I hope to help you)