紧凑cpw馈电印刷伪单极驱动yagi型方向分集天线设计及近场分析

2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI:10.1109/AEMC.2017.8325742

Naveen Kr. Maurya, Monika Tulsyan, R. Bhattacharya, Ashwani Kumar

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引用次数: 3

摘要

提出了一种紧凑共面波导(CPW)馈电印刷伪单极天线(PPMA)驱动的yagi型方向图分集天线的设计方法。在这项工作中，两种类型的反射器配置，即直和折叠，进行了研究。结果表明，折叠反射器的结构紧凑性提高了20%，与直接反射器结构相比，前后比的w.r.t提高了约1.5 dB，但代价是隔离级别略有下降。通过分析沿天线宽度方向的近场，进一步研究了这种退化的原因。研究发现，在折叠反射镜的情况下，反射镜之间的间隙导致了ppma之间的近场耦合。

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Design and near field analysis of compact CPW-fed printed pseudo-monopole driven Yagi-type pattern diversity antenna

An approach to design a compact coplanar-waveguide (CPW)-fed printed pseudo-monopole antenna (PPMA)-driven Yagi-type pattern diversity antenna is proposed. In this work two types of reflector configurations, viz. straight and folded, are investigated. It is shown that the folded reflector configuration is 20% more compact and it results in about 1.5 dB improvement in front-to-back ratio w.r.t. the straight reflector configuration at the cost of slight degradation in the isolation level. The reason behind this degradation is further investigated by analyzing the near field along the antenna width. It is found that the gap between the reflector cause the near field coupling between the PPMAs in the case of folded reflector.

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2017 IEEE Applied Electromagnetics Conference (AEMC)

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