一种基于开口谐振环的高增益宽带双极化天线设计

任宇辉; 丁君; 郭陈江

doi:10.11999/JEIT170111

一种基于开口谐振环的高增益宽带双极化天线设计

doi: 10.11999/JEIT170111

2.
(西北工业大学电子信息学院西安 710129) ②(西北大学信息科学与技术学院西安 710069)

基金项目:

西安爱生创新发展基金(ASN-IF2015-0901)

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出版历程
- 收稿日期: 2017-02-10
- 修回日期: 2017-08-17
- 刊出日期: 2017-11-19

Design of a High-gain Wideband Dual-polarized Antenna Based on Split Ring Resonators

2.
(School of Electronics and Information, University of Northwestern Polytechnical, Xi&rsquo

Funds:

The Innovation Development Fund of Xi'an Aisheng Group (ASN-IF2015-0901)

摘要

摘要: 该文设计并制作了一种基于超材料的高增益宽带双极化天线，该天线由两个正交放置的印刷振子单元、馈电巴伦及金属接地板构成。为了进一步展宽带宽、提高增益，在天线上了加载开口谐振环、互补开口谐振环等超材料结构。测试结果表明，该天线回波损耗小于-10 dB的带宽约为69%(0.98~2.01 GHz)，在相同的频带内隔离度大于20 dB。由于开口谐振环的引向作用，天线的辐射特性得到改善，增益最大提高了4.1 dB左右。和已有设计相比，该天线的总体高度减小了约12%。其可以当作独立天线使用，也可用作反射面天线的双极化馈源。
- 开口谐振环 /
- 互补开口谐振环 /
- 双极化天线
Abstract: A wideband and high gain dual-polarized antenna based on split ring resonators is presented. The antenna is composed of two cross printed dipole antennas vertically fixed on an aluminum plate as ground plane, which are excited by two similar micro-strip baluns. In order to further improve the gain with a broad bandwidth, split ring resonators and complementary split ring resonators are loaded on the printed dipole antennas. Measured results show that the proposed antenna achieves -10 dB return loss with bandwidth of 0.98~2.01 GHz (69%), and its port isolation is higher than 20 dB within that band. The maximum gain of antenna is improved up by 4.1 dB because of split ring resonators. Furthermore, the height of the antenna is reduced about 12% than the LPPDs- DPA.
- Split ring resonators /
- Complementary split ring resonators /
- Dual-polarized antenna

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参考文献(20)

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