A Wideband Circularly Polarized Dipole Antenna Based on Asymmetric Feeding Technology

被引：0
|
作者：
Guo, Chengfang [1 ]
Han, Liping [1 ]
Zhang, Wenmei [1 ]
机构：
[1] Shanxi Univ, Sch Phys & Elect Engn, Taiyuan 030006, Shanxi, Peoples R China
来源：
2020 13TH UK-EUROPE-CHINA WORKSHOP ON MILLIMETRE-WAVES AND TERAHERTZ TECHNOLOGIES (UCMMT2020) | 2020年
基金：
美国国家科学基金会;
关键词：
wideband; circularly polarized; dipole;
D O I：
10.1109/ucmmt49983.2020.9296118
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 new wideband circularly polarized (CP) dipole antenna with low profile is investigated. By using off-center-fed (OCFD) with coaxial probe, the dipole antenna generates different modes, thus expanding the bandwidth. Different lengths of two dipoles make the antenna produce two polarization waves with equal amplitude and orthogonal phase, which further realizes better circular polarization performance. The impedance bandwidth of it is 55.17% (3.36-5.92 GHz) and the bandwidth of 3-dB axial ratio (AR) is 27.94% (3.88-5.14 GHz). With simple structure, the antenna can achieve wide circular polarization.
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页数：3
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