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词汇 Electromagnetic compatibility
分类 英语词汇 英语翻译词典
释义

Electromagnetic compatibility

中文百科

电磁兼容性

电磁兼容性实验室

电磁兼容性电磁兼容英语:electromagnetic compatibility,缩写EMC)是在电学中研究意外电磁能量的产生、传播和接收,以及这种能量所引起的有害影响。电磁兼容的目标是在相同环境下,涉及电磁现象的不同设备都能够正常运转,而且不对此环境中的任何设备产生难以忍受的电磁干扰之能力。

为了取得以上目标,电磁兼容主要包含以下问题:“发射”(emission)问题,即减少意外电磁能量的产生和抑制这种能量向外部环境传播;“易感性”(susceptibility)问题,即在电磁干扰存在的情况下如何正常运转电子和电气设备。因此电磁兼容涵盖电磁干扰(electromagnetic interference, EMI)和电磁耐受性(electromagnetic susceptibility, EMS);EMI为电磁场伴随着电压、电流的作用而产生,EMS为产品在使用过程中不受周遭电磁环境影响的能力。

英语百科

Electromagnetic compatibility 电磁兼容性

Anechoic RF chamber used for EMC testing (radiated emissions and immunity). The furniture has to be made of wood or plastic, not metal.
Log-periodic antenna measurement for outdoors
The four electromagnetic interference (EMI) coupling modes.
A TV tuner card showing many small bypass capacitors and three metal shields: the PCI bracket, the metal box with two coax inputs, and the shield for the S-Video connector

Electromagnetic compatibility (EMC) is the branch of electrical engineering concerned with the unintentional generation, propagation and reception of electromagnetic energy which may cause unwanted effects such as electromagnetic interference (EMI) or even physical damage in operational equipment. The goal of EMC is the correct operation of different equipment in a common electromagnetic environment.

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