In the complex industrial environment, various electromagnetic interferences have formed increasingly serious threat against normal operation of PLC.
在复杂的工业环境中，各种电磁干扰对PLC的正常运行形成了日益严重的威胁。
Combining practice, this paper summarizes and analyzes the type, source and transmission mechanism of electromagnetic interferences and puts forward effective suppression method.
本文结合实践总结分析了电磁干扰的类型、形成来源及传输机理，并提出有效的抑制方法。
From the electromagnetic principle of electromagnetic compatibility, the destructive interferences of lightning produced by high mountains television relay station were analyzed.
从电磁兼容的电磁原理出发，分析了高山电视转播台雷击产生干扰破坏的途径。
Based on the concept of electromagnetic topology, a systematic analysis method of the coupling mechanism of the interferences is proposed in this paper.
提出了一种基于电磁拓扑概念的变电站瞬态电磁干扰机理的系统分析方法。
So it is necessary to do the researches on the interferences on communication by electrified railway, and electromagnetic protection of the communication system in order to pro.
为保证通信安全，需要对电气化铁路对铁道通信的电磁影响和电磁防护进行研究，从而给铁路现场实际工作提供一定的理论依据。
So it is necessary to do the researches on the interferences on communication by electrified railway, and electromagnetic protection of the communication system in order to pro.
为保证通信安全，需要对电气化铁路对铁道通信的电磁影响和电磁防护进行研究，从而给铁路现场实际工作提供一定的理论依据。
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