近场辐射器通过穿孔屏蔽的电磁耦合

2003 IEEE Symposium on Electromagnetic Compatibility. Symposium Record (Cat. No.03CH37446) Pub Date : 2003-10-14 DOI:10.1109/ISEMC.2003.1236711

S. Ali, D. Weile, T. Clupper

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引用次数: 1

摘要

研究了在无限导体片的近场处放置金属辐射体激发的有限孔场的电磁耦合。用矩量法对耦合进行了数值分析，重点研究了孔场与邻近金属辐射体相互作用的影响。通过孔场的辐射泄漏被发现是显著的，由于接近天线，即使孔是电小。数值结果证实了经典理论低估了近场天线通过小孔径产生的电磁耦合。

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Electromagnetic coupling through perforated shields due to near field radiators

The electromagnetic coupling through an infinite conducting sheet perforated with a finite field of holes excited by a metal radiator placed in its near field is investigated. The coupling is analyzed numerically by method of moments (MoM) with emphasis on understanding the effect of the interactions between the field of holes and the metal radiator placed in its proximity. The radiation leakage through the field of holes is found to be significant due to the proximity to the antenna, even if the holes are electrically small. Numerical results confirm that classical theory underestimates the electromagnetic coupling through small apertures by antennas placed in their near field.

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

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