Omnidirectional circularly-polarised microstrip patch antenna

被引：19
|
作者：
Narbudowicz, A. [1 ]
Bao, X. L. [1 ]
Ammann, M. J. [1 ]
机构：
[1] Dublin Inst Technol, Sch Elect & Commun Engn, Antenna & High Frequency Res Ctr, Dublin 8, Ireland
来源：
ELECTRONICS LETTERS | 2012年 / 48卷 / 11期
基金：
爱尔兰科学基金会;
关键词：
D O I：
10.1049/el.2012.0735
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An omnidirectional circularly-polarised patch antenna is proposed. The antenna radiates right-handed circular-polarisation with an average axial ratio of 2.3 dB over a full 360 degrees. A shallow diagonal CPW inset-feed was used to achieve good matching to the back-to-back coupled patches, providing a measured S-11 < -15 dB at the centre frequency. The measured cross-polar performance is better than 13 dB and the realised gain variation is similar to 3 dB in the plane normal to the substrate.
引用
收藏
页码：614 / 615
页数：2
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