基于几何光学方法的矩形隧道电磁波传播特性分析

2012 International Conference on Microwave and Millimeter Wave Technology (ICMMT) Pub Date : 2012-05-05 DOI:10.1109/ICMMT.2012.6230121

Meixia Li, Lian-ying Zhou, Zhaowen Zheng

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引用次数: 6

摘要

用几何光学方法研究了电磁波在矩形隧道中的传播特性。分析了接收天线功率与传播距离的关系。结果表明，随着传输距离的增加，接收功率逐渐减小。发射天线与接收天线之间的高度差越大，传播距离越远，几何光学得到的曲线与单模下的曲线越相似;电磁波发射得越远，接收功率的差异越大。并与单模态下的结果进行了比较。几何光学方法的结果更符合实际情况。

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Analysis of electromagnetic wave propagation characteristics in rectangular tunnels based on the geometrical optics method

Propagation characteristics of electromagnetic wave in rectangular tunnels are studied using the geometrical optics method. The relation between the power of the receiving antenna and the propagation distance is analyzed. The results indicate that the received power becomes less with the increase of the propagation distance. The more the height's difference between the sending and receiving antenna, the farther the propagation distance will be, the more similar between the curve obtained by the geometrical optics and the curve under the single mode; the further the electromagnetic wave is transmitted, the more difference of the receiving power there are. And results of them are compared with the ones in single mode. The results of geometrical optics method are more consistent with actual condition.

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2012 International Conference on Microwave and Millimeter Wave Technology (ICMMT)

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