On a Wideband Circularly Polarized Dielectric Resonator Antenna Using a Higher-Order Mode

被引：0
|
作者：
Fang, Xiao Sheng [1 ]
Ng, Ka Ki
Leung, Kwok Wa
机构：
[1] City Univ Hong Kong, State Key Lab Millimeter Waves, Kowloon, Hong Kong, Peoples R China
来源：
2015 IEEE INTERNATIONAL CONFERENCE ON COMPUTATIONAL ELECTROMAGNETICS (ICCEM) | 2015年
关键词：
D O I：
暂无
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 strip-fed wideband circularly polarized (CP) dielectric resonator antenna (DRA) is investigated in this paper. The wideband design makes use of the quasi-TE111 and -TE113 modes of the rectangular DRA. To generate CP fields, two opposite corners of the rectangular DRA are truncated at 45 degrees. A groove and two parasitic strips are introduced to tune the axial ratio (AR) of the antenna. Measured results show that a wide AR bandwidth of 16.3 % can be achieved. The reflection coefficient, AR, radiation pattern, and antenna gain of the DRA are studied using ANSYS HFSS. Reasonable agreement between the measured and simulated results is observed.
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页码：230 / 231
页数：2
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