PWM发生器模型，给做逆变整流电路的一点方便，全部都是用模块搭建的-PWM generator model, to make the point easy inverter rectifier circuit, all built with the modules

基于matlab/Simulink的升压逆变电路，Boost升压斩波+PWM双极性逆，经测试通过。-Based on matlab/Simulink of the boost inverter circuit, Boost boost chopper+PWM bipolar inverse, through the test.