Wideband cavity-backed slot array with high gain and high aperture efficiency

被引：1
|
作者：
Chen, Zhen-Zhong [1 ]
Guan, Dong-Fang [2 ]
Xiao, Ru-Qi [1 ]
Qian, Zu-ping [1 ]
Wu, Wen [1 ]
Zhu, Lei [3 ]
机构：
[1] Nanjing Univ Sci & Technol, Ministerial Key Lab JGMT, Nanjing, Peoples R China
[2] Natl Univ Def Technol, Coll Elect Sci & Technol, Changsha 410073, Peoples R China
[3] Univ Macau, Fac Sci & Technol, Dept Elect & Comp Engn, Macau, Peoples R China
来源：
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING | 2021年 / 31卷 / 11期
基金：
中国国家自然科学基金;
关键词：
cavity-backed; high aperture efficiency; satellite communication; subarray; wideband; ANTENNA-ARRAY;
D O I：
10.1002/mmce.22822
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this article, a wideband cavity-backed slot array antenna with high gain and high aperture efficiency is presented. A novel cavity-backed subarray is designed with compact size and applied to construct a 4 x 8 array. The array antenna is composed of two feeding layers and a radiating layer. The subarrays are placed on the top layer and SIW structure feeding network on the two layers below is used to feed them. The presented antenna is designed, fabricated and measured. The measured results reveal that the working bandwidth reaches up to 17.6%, ranging from 18.7 to 22.3 GHz with the peak gain of 19.5 dBi. Besides, the maximum aperture efficiency of 77.6% is calculated by employing measured gain and aperture size at 21.9 GHz. The presented array can be utilized as a receiving antenna in satellite communication systems.
引用
收藏
页数：9
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