带孔外壳屏蔽效能分析方法

2017 International Multi-Conference on Engineering, Computer and Information Sciences (SIBIRCON) Pub Date : 2017-09-01 DOI:10.1109/SIBIRCON.2017.8109920

M. Komnatnov

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引用次数: 1

摘要

得到了孔径与外壳耦合系数的解析表达式。该表达式允许实现一个快速评估屏蔽效果的外壳与孔径。提出了通信电子设备屏蔽效能分析方法。它的新颖之处在于使用了电磁方法和基于得到的表达式的方法。利用得到的表达式，在10khz ~ 1ghz的频率范围内，计算了SNP 339连接器外壳开始和中间观测点位置的屏蔽效能。用已知的解析和数值方法得到的频率依赖关系与所提出的表达式是一致的。本文研究了金属外壳的孔径中有金属物体而与外壳没有电连接以及有介电常数很高的电介质时的情况。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Method of shielding effectiveness analysis for an enclosure with an aperture

Analytical expression for the coupling coefficient of an aperture with an enclosure is obtained. This expression permits to realize a fast evaluation of shielding effectiveness by an enclosure with an aperture. Method of shielding effectiveness analysis of communications electronics equipment is developed. Its novelty is the use of an electromagnetic approach and of approach based on the obtained expression. Using the obtained expression the shielding effectiveness in location of the observation point at the beginning and middle of the SNP 339 connector enclosure is calculated in the frequency range from 10 kHz to 1 GHz. Coincidence of frequency dependencies obtained using known analytical and numerical methods with the proposed expression is shown. A study is given for a metal enclosure when there is a metallic object in its aperture without an electrical connection to the enclosure and when there is a dielectric with dielectric permittivity of high value.

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来源期刊

2017 International Multi-Conference on Engineering, Computer and Information Sciences (SIBIRCON)

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