A Double Circular Polarization Broadband Antenna and Its Array Applications

被引：0
|
作者：
Ying J.-Y. [1 ]
Wang Y.-C. [2 ]
Yang P. [2 ]
机构：
[1] School of Information and Electronics, Beijing Institute of Technology, Haidian, Beijing
[2] School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu
来源：
Dianzi Keji Daxue Xuebao/Journal of the University of Electronic Science and Technology of China | 2020年 / 49卷 / 05期
关键词：
Broadband; Double circular polarization; Doubly-fed; Stacked patch antenna; Wide beam;
D O I：
10.12178/1001-0548.2019245
中图分类号：
学科分类号：
摘要：
A double circular polarization broadband antenna is designed, and a small array is realized on this basis. The element antenna is a stacked microstrip antenna with a ring of metal bands and metal columns around the radiation patch to expand the beam width. In addition, in order to meet the requirements of double circular polarization and to expand the antenna bandwidth, the antenna is fed by a ring bridge. The 10 dB impedance bandwidth is 26.9% (1.8 GHz~2.36 GHz), the 3 dB axial ratio bandwidth is 19.3% (1.92~2.33 GHz), and the 3 dB beam width is greater than 110°. A non-regular five elements array is investigated. The test results show that the synthetic gain is higher than 11.5dBi, and the ±55° scanning gain is higher than 9dBi. The simulation and experimental results are consistent, which is the foundation of broadband satellite communication application. © 2020, Editorial Board of Journal of the University of Electronic Science and Technology of China. All right reserved.
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页码：695 / 699
页数：4
相关论文
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