A Circularly Polarized HTS Microstrip Antenna Array with Controllable Cryostat

被引：1
|
作者：
Zeng, Xiaoyong [1 ]
Huang, Kama [1 ]
Hu, Zhongxia [1 ]
Chen, Qian [1 ]
Xiao, Wei [1 ]
机构：
[1] Sichuan Univ, Coll Elect & Informat Engn, Chengdu, Sichuan, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION | 2017年 / 2017卷
关键词：
D O I：
10.1155/2017/6035202
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 high-temperature superconductor (HTS) microstrip antenna array with right-hand circular polarization is proposed for space communications. The proposed HTS antenna array can achieve high efficiency, which is able to reduce the antenna's loss. The array consists of 16 antenna elements being fed by a T-network. A pair of symmetric meander slots is used in each antenna element to broaden the input matching bandwidth. A controllable cryostat is used as the refrigeration for HTS. The experiment shows that the gain of the proposed HTS antenna is 8.39 dB, whose 10 dB return loss bandwidth is 2.2% ranging from 5.75GHz to 5.87GHz. In comparison with a traditional conductor antenna array having the same configuration, the proposed array has an 8.1 dB improvement in the gain and a 69.2% enhancement in the radiation efficiency.
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页数：6
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