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电气设备的电磁兼容问题正变得越来越重要。在设计和制造阶段,就必须考虑它们对别的信号的干扰。以避免或减小干扰的影响。本文不涉及可能使仪器或元件损坏的干扰(如闪电、静电放电等),只讨论仪器或元件参数可逆的干扰。我们只考虑测量中避免或减小干扰影响的一般原理和有效办法。这些办法包括①机械设计②电路设计③静电屏蔽、电磁屏蔽等。
Electromagnetic compatibility of electrical equipment is becoming more and more important. In the design and manufacturing phase, they must consider their interference with other signals. To avoid or reduce the effects of interference. This document does not cover disturbances (such as lightning, electrostatic discharge, etc.) that may cause damage to the instrument or component, but only discusses reversible interference with instrument or component parameters. We only consider the general principles and effective ways to avoid or reduce the effects of interference in the measurement. These methods include ① mechanical design ② circuit design ③ electrostatic shielding, electromagnetic shielding.