Dual-frequency microstrip antenna with dual circular polarisation

被引：12
|
作者：
Cai, C. -H. [1 ]
Row, J. -S.
Wong, K. -L.
机构：
[1] Natl Changhua Univ Educ, Dept Elect Engn, Gifu 500, Taiwan
[2] Natl Sun Yat Sen Univ, Dept Elect Engn, Kaohsiung 804, Taiwan
来源：
ELECTRONICS LETTERS | 2006年 / 42卷 / 22期
关键词：
D O I：
10.1049/el:20062537
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：
A single-feed dual-frequency microstrip patch antenna that can produce dual circular polarisations (CP) is presented. The microstrip antenna has an annular-ring patch and is excited by an L-shaped microstrip line through the coupling of a ring slot in the ground plane. The occurrence of the dual CP is because the magnetic currents circulating along the ring slot at two specific frequencies have opposite flowing directions. Both simulated and measured results are provided to validate the CP performance of the proposed antenna.
引用
收藏
页码：1261 / 1262
页数：2
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