电磁干扰源种类繁多，可按不同的方法进行分类。对测量环境中直接影响测量及测量设备的 干扰来源可分为自然干扰源和人为干扰源。
动作使得电力电子装置成为了严重的电磁干扰源。
Fast switching actions makes power electronic equipment a significant source of EMI to nearby devices.
本设备应远离电磁干扰源，并应将设备的接地线有效接地。
This instrument shall keep away from electromagnetic interference source, and the instrument shall be grounded properly and effectively.
高频开关电源是严重的电磁干扰源，很多情况下需对其安装emi电源滤波器。
Switch power of high frequency is serious electromagnetic interference (EMI) source, so EMI source filter usually should be added in switch power.
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