A high gain broadband transmitarray antenna using dual-resonant E-shaped element

被引：4
|
作者：
Luo, Jun [1 ]
Yang, Fan [1 ]
Xu, Shenheng [1 ]
Li, Maokun [1 ]
Gu, Shengming [2 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Tsinghua Natl Lab Informat Sci & Technol TNList, Beijing 100084, Peoples R China
[2] Beijing Res Inst Telemetry, Beijing 100076, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2018年 / 60卷 / 06期
关键词：
broadband; dual resonant; lens array; transmitarray antenna;
D O I：
10.1002/mop.31197
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-gain and broadband linear-polarized transmitarray antenna is proposed in this paper, and its element is composed of 4 identical layers of E-shaped patches separated by quarter-wavelength air gaps. To cover the required phase range, the dual-resonant E-shaped element is developed; realizing broadband transmission, low cross-polarization level, and stable oblique-incident response. A transmitarray prototype using the 4-layer E-shaped element is designed, fabricated, and tested. The proposed transmitarray has a broad 1-dB gain bandwidth of 15%, a high gain of 33.0 dBi, an aperture efficiency of 40%.
引用
收藏
页码：1531 / 1536
页数：6
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