球面偶极子天线的位置衰减分析及其应用

2003 IEEE Symposium on Electromagnetic Compatibility. Symposium Record (Cat. No.03CH37446) Pub Date : 2003-10-14 DOI:10.1109/ISEMC.2003.1236687

A. Kitani, N. Kuwabara, F. Amemiya

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引用次数: 2

摘要

由于球面偶极子天线可以考虑小的偶极子源，因此可以用来评价电磁兼容性能。本文采用线网格模型计算了球面偶极子天线的位置衰减。在半消声室中进行了3m距离的测量，结果表明，在30mhz ~ 1000mhz范围内，计算结果与测量结果的偏差在4dB以内。在小型半消声室中测量了站点衰减分布，并与实测值进行了比较。结果表明，大反射损耗吸收器可以有效地改善站点的性能，当发射和接收天线放置在线路非对称位置时，站点衰减得到改善。

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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Analysis of site attenuation for spherical dipole antenna and its application

Spherical dipole antenna has been used to evaluate EMC performance because it can consider small dipole source. In this paper, site attenuation of spherical dipole antenna is calculated using wire grid model. It is also measured in semi-anechoic chamber for 3m distance, and the result indicates the deviation between calculation and measurement result is within 4dB from 30 MHz to 1000 MHz. The site attenuation distribution is measured in a small semi-anechoic chamber and compared with the measured one. The result indicates that the large reflection loss absorber is effective to improve the performance of the site and the site attenuation is improved when transmitting and receiving antenna place at line unsymmetrical position.

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

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