一種基于開口諧振環(huán)的高增益寬帶雙極化天線設計

任宇輝; 丁君; 郭陳江

doi:10.11999/JEIT170111

一種基于開口諧振環(huán)的高增益寬帶雙極化天線設計

doi: 10.11999/JEIT170111 cstr: 32379.14.JEIT170111

2.
(西北工業(yè)大學電子信息學院西安 710129) ②(西北大學信息科學與技術學院西安 710069)

基金項目:

西安愛生創(chuàng)新發(fā)展基金(ASN-IF2015-0901)

計量
- 文章訪問數(shù): 2027
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- 被引次數(shù): 0
出版歷程
- 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: 該文設計并制作了一種基于超材料的高增益寬帶雙極化天線，該天線由兩個正交放置的印刷振子單元、饋電巴倫及金屬接地板構成。為了進一步展寬帶寬、提高增益，在天線上了加載開口諧振環(huán)、互補開口諧振環(huán)等超材料結構。測試結果表明，該天線回波損耗小于-10 dB的帶寬約為69%(0.98~2.01 GHz)，在相同的頻帶內(nèi)隔離度大于20 dB。由于開口諧振環(huán)的引向作用，天線的輻射特性得到改善，增益最大提高了4.1 dB左右。和已有設計相比，該天線的總體高度減小了約12%。其可以當作獨立天線使用，也可用作反射面天線的雙極化饋源。
- 開口諧振環(huán) /
- 互補開口諧振環(huán) /
- 雙極化天線
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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參考文獻(20)

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