带宽带操作的模式可重构槽天线

2014 International Symposium on Antennas and Propagation Conference Proceedings Pub Date : 2014-12-01 DOI:10.1109/ISANP.2014.7026797

Yan-Hua Chen, J. Row

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引用次数: 1

摘要

提出了一种基于单馈隙天线的方向图可重构设计。在接平面内嵌入多个PIN二极管，通过控制二极管的状态，天线结构可以工作为0.5 λ槽天线和0.75 λ单极槽天线。设计了一个原型，在h平面上给出了三种不同的辐射模式，这些模式分别可以产生一个全向图和两个单向图，主波束方向相反。实验结果表明，全向模式在各个方位角上的增益变化约为6 dB，单向模式的前后比大于10 dB。此外，可重构天线的工作带宽在15%以上。

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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Pattern reconfigurable slot antenna with broadband operation

A pattern reconfigurable design using a single-feed slot antenna is presented. Several PIN diodes are embedded into the ground plane, and by controlling the states of the diodes, the antenna structure can be worked as a 0.5 λ slot antenna and a 0.75 λ monopole slot antenna. A prototype is designed to give three different radiation modes in the H-plane, and these modes can respectively generate an omnidirectional pattern and two unidirectional patterns with reversed main-beam directions. Experimental results indicate that the omnidirectional mode has a gain variation of about 6 dB across all azimuthal angles and the unidirectional mode has a front-to-back ratio of higher than 10 dB. In addition, the working bandwidth of the reconfigurable antenna is more than 15 %.

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2014 International Symposium on Antennas and Propagation Conference Proceedings

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