研究电力母线结构电磁辐射的解析模型

2003 IEEE Symposium on Electromagnetic Compatibility. Symposium Record (Cat. No.03CH37446) Pub Date : 2003-10-14 DOI:10.1109/ISEMC.2003.1236596

T. Fischer, M. Leone, M. Albach

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引用次数: 12

摘要

研究了理想矩形结构下多层板在电源母线噪声作用下的电磁辐射。远场的推导基于场等效原理，使用损耗腔模型计算所需的边界电场分布。研究了30 MHz-1 GHz频率范围内的最大电场。参数研究表明，平面间距离是降低辐射发射的最有效手段之一。

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An analytical model for studying the electromagnetic radiation of power-bus structures

The electromagnetic radiation of multilayer boards due to power-bus noise is investigated for an idealized rectangular structure. The derivation of the far field is based on the field equivalence principle, using a lossy cavity model for the required boundary electric field distribution. The maximum electric field is studied within the frequency range 30 MHz-1 GHz. A parameter study shows that the distance between the planes is one of the most effective means for lowering radiated emissions.

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2003 IEEE Symposium on Electromagnetic Compatibility. Symposium Record (Cat. No.03CH37446)

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