传导干扰可以分为共模(Common Mode-CM)干扰和差模(Differential Mode-DM)干扰·由于寄生参数的存在以及开关电源中开关器件的高频开通和关断，使得开关电源在其输入端(即交流电网侧)产生较大的共模干扰和差...
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The measurement is made by injecting a differential mode signal (DM) into a twisted pair, then measuring the common mode signal (CM) returned on that same twisted pair.
翻译：测量是通过向双绞线注入差模信号(DM)，然后测量同一对双绞线返回的共模信号(CM)。
The design of input differential-mode (DM) EMI filter for the reduction of total-harmonic-distortion (THD) for line current has been developed in considerations of practical design limitations.
而设计加入一个差模 EMI 滤波器以提升系统电路的功率因数并降低总电流谐波量以符合相关的规范。
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