基于matlab simulink搭建的buck降压斩波电路，模型正确可直接使用-Based on the the matlab simulink structures buck buck chopper circuit, the model is correct and can be used directly

buck-boost电路的无源滤波仿真，有单周期控制模块和BUCK-BOOST电路模块组成-buck-boost circuit of the passive filter simulation, there is single-cycle control module and BUCK-BOOST circuit modules