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基于转移阻抗的方舱屏效计算方法
Computing Method Based on Transfer Impedance for the Shielding Effectiveness of Cabinet
【摘要】 在方舱结构中,由于各种接缝及必要开口的存在,降低了方舱的屏蔽效能。为此需在缝隙或开口接触面处加装导电衬垫,以保持接触面间的电连续性,从而大大提高方舱的屏蔽效能。本文针对带有导电衬垫的方舱,提出了一种基于转移阻抗的方舱屏效计算方法。并通过算例验证这一方法是可行的。
【Abstract】 In the structure of cabinet, the existence of various seams and required hatchesdebases the Shielding Effectiveness(SE) of cabinet. So the conductive gaskets should be installedin the interface of these seams and hatches in order to keep the interface’s electricity-continuitywhich greatly improves the SE of cabinet. In this paper, a method, which is based on transferimpedance for calculating the SE of cabinet with conductive gaskets,has been put forward. And ithas been proved feasible by a computing instance.
【关键词】 方舱;
屏蔽效能;
导电衬垫;
转移阻抗;
【Key words】 Cabinet; Shielding Effectiveness(SE); Conductive gasket; Transfer Impedance;
【Key words】 Cabinet; Shielding Effectiveness(SE); Conductive gasket; Transfer Impedance;
- 【文献出处】 电子质量 ,Electronics Quality , 编辑部邮箱 ,2005年11期
- 【分类号】E939;
- 【被引频次】7
- 【下载频次】89