得出了共模干扰传播通道的简化模型，该模型的传递函数特性主要由数值较大的杂散参数决定。
The simplified common mode model of coupling paths is also built and its characteristics are mainly influenced by those biggish stray parameters.
研究电力电子装置电磁干扰传播通道的特性，对于分析电磁干扰形成机理、指导电磁兼容预测和调试具有重要意义。
Study of the characteristics of the EMI coupling paths in power electronic equipment is helpful to analyze the EMI mechanism and improve its EMC performance.
在对离线式PWM变换器电磁干扰源和电磁干扰传播通道分析的基础上，通过实测和理论分析相结合的方式，建立了电磁干扰传播通道的高频模型，并进行了验证。
Based on the analysis of the EMI sources and coupling paths of an off-line PWM converter, a high frequency model of EMI coupling paths is built and verified by measuring and theoretical calculation.
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