Dual-Circularly Polarized Patch Antenna Using Field Transformation Medium

被引：10
|
作者：
Shi, Hongyu [1 ,2 ]
Giddens, Henry [1 ]
Hao, Yang [1 ]
机构：
[1] Queen Mary Univ London, Sch Elect Engn & Comp Sci, London E1 4NS, England
[2] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Shaanxi, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2017年 / 16卷
基金：
中国国家自然科学基金; 中国博士后科学基金; 英国工程与自然科学研究理事会;
关键词：
Broad axial ratio angle band; dual-circularly polarization; field transformation (FT); SLOT ANTENNA; DESIGN;
D O I：
10.1109/LAWP.2017.2750618
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：
In this letter, a dual-circularly polarized antenna based on the field transformation (FT) method is presented. The antenna consists of a dual-linearly polarized feeding patch antenna, and an FT waveplate as a reflector. The FT waveplate enables the realization of a circularly polarized antenna that has a very wide-angle band and unidirectional radiation pattern in both polarizations. At 2.4 GHz, the axial ratio of the proposed patch antenna is below 3 dB with the angle band from -44 degrees to +50 degrees in yz plane and from -42 degrees to 41 degrees in xz plane. The gain of the proposed dual-circularly polarized patch antenna is 7.7 dB. The isolation between the two ports is better than 15 dB.
引用
收藏
页码：2869 / 2872
页数：4
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