A simple configuration of beam steering substrate integrated waveguide aperture antenna loaded with metamaterials

被引：2
作者：
Cai, Yang [1 ]
Li, Sen [1 ]
Wu, Tao [1 ]
Cao, Yufan [1 ]
机构：
[1] Space Engn Univ, Dept Elect & Opt Engn, Beijing 101416, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2022年 / 64卷 / 04期
基金：
中国国家自然科学基金;
关键词：
beam steering; metamaterials; substrate integrated waveguide; HORN ANTENNA; MILLIMETER-WAVE; DESIGN;
D O I：
10.1002/mop.33158
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：
This letter presents a novel broadband substrate integrated waveguide aperture antenna with simple structure and beam steering performance. By using the left-hand and band gap characteristics of the mushroom-shaped metamaterials, the main beam of the substrate-integrated waveguide aperture antenna can be easily switched between the back-fire and boresight directions. Above all, the beam scanning characteristic does not depend on three-dimensional structures or complex loaded structures, therefore it is a promising technology for designing planar two dimensional beam steering array. Experimental results indicate that the impedance bandwidth of the antenna covers the frequency range from 13.3 to 16.7 GHz and the relative bandwidth is 22.7%. The accordance between the simulated and measured E-plane radiation pattern of the antenna at three representative frequencies verifies the beam steering capability of the proposed antenna.
引用
收藏
页码：744 / 749
页数：6
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