Seismic Electromagnetic Detection of satellite digital transmitter box can play a very good shielding effect. But because of it is need cooling, ventilation and electrical connections with the outside, inevitably there are some circular hole seams.
地震电磁探测卫星中的数传发射机箱体能够起到很好的屏蔽作用,但因散热、通风以及与外界电路连接等需要,机箱上不可避免地开有圆孔缝,而其产生的电磁散射有可能对其它星载探测设备造成电磁干扰,是影响机箱屏蔽效能的关键因素。
参考来源 - 数传发射机圆孔缝电磁散射的边界积分法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The different electromagnetic detection methods and their applications are given according to the category of buried pipelines.
针对地下管道的不同情况，详细介绍了各种电磁法的探测方法和具体应用。
The new power pack will also absorb energy across the electromagnetic spectrum, making infantry less liable to detection by night vision equipment that uses infra-red technology.
新能源包也能从电磁波频段吸收能量，使步兵降低被使用红外技术的夜视设备发现的概率。
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