A Low-Profile, Directional, Ultrawideband Antenna

被引：10
|
作者：
Liu, Juelin [1 ]
Geng, Junping [1 ]
Wang, Kun [1 ]
Ding, Ziheng [1 ]
Li, Jianping [1 ]
Zhao, Xiaonan [2 ]
Jin, Ronghong [1 ]
Liang, Xianling [1 ]
Zhu, Weiren [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Shanghai 200240, Peoples R China
[2] China ShipDevelop & Design Ctr, Wuhan 430064, Hubei, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2019年 / 18卷 / 02期
基金：
上海市自然科学基金;
关键词：
Directional radiation; low-profile antenna; three-dimensional (3-D) structure; ultrawideband (UWB) antenna;
D O I：
10.1109/LAWP.2018.2888579
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 compact, low-profile, ultrawideband (UWB) antenna providing directional radiation pattern is proposed. The antenna is based on a modified Vivaldi antenna and is characterized by a three-dimensionally bended structure. Each of the two radiation fins is capacitively loaded with an invert trapezoidal metallic plate at the end. In order to conveniently mount the antenna on the metal surface, a corrugated plate is added as a ground. Owing to the bended structure and capacitively loaded scheme, the antenna has a low profile of 0.216 lambda(m), where lambda(m) is the wavelength at the minimum operating frequency. The prototype of the antenna is fabricated and measured. The measured and simulated results show good agreement. The measured results show that the antenna has VSWR < 2.5 from 0.9 to 10 GHz and measured gain from 3.6 to 8.2 dBi.
引用
收藏
页码：255 / 259
页数：5
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