ckj:
上传69楼提到的papers:DanM.Sable,EliminationofthePositiveZeroinFixedFrequencyBoostandFlybackConverters,1990DanM.Sable,UseofLeading-EdgeModulationtoTransformBoostandFlybackConvertersintoMinimum-Phase-ZeroSystems,1991Wing-HungKi,SignalFlowGraphinLoopGainAnalysisofDC–DCPWMCCMSwitchingConverters,1998