A Wideband End-Fire Conformal Vivaldi Antenna Array Mounted on a Dielectric Cone

被引：15
|
作者：
Li, Zengrui [1 ]
Kang, Xiaole [1 ]
Su, Jianxun [1 ]
Guo, Qingxin [1 ]
Yang, Yaoqing [2 ]
Wang, Junhong [3 ]
机构：
[1] Commun Univ China, Sch Informat Engn, Beijing 100024, Peoples R China
[2] Univ Nebraska Lincoln, Dept Elect & Comp Engn, Omaha, NE 68182 USA
[3] Beijing Jiaotong Univ, Inst Lightwave Technol, Beijing 100044, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION | 2016年 / 2016卷
基金：
中国国家自然科学基金;
关键词：
DETSA;
D O I：
10.1155/2016/9812642
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：
The characteristics of a novel antipodal Vivaldi antenna array mounted on a dielectric cone are presented. By employing antipodal Vivaldi antenna element, the antenna array shows ultrawide bandwidth and end-fire radiation characteristics. Our simulations show that the cone curvature has an obvious influence on the performance of the conformal antenna, in terms of both the bandwidth and the radiation patterns. The thickness and permittivity of the dielectric cone have an effect on the bandwidth of the conformal antenna. Measurement results of both single antenna and conformal antenna array show a good agreement with the simulated results. The measured conformal antenna can achieve a -10 dB vertical bar S-11 vertical bar with bandwidth of 2.2-12GHz and demonstrate a typical end-fire radiation beam. These findings provide useful guidelines and insights for the design of wideband end-fire antennas mounted on a dielectric cone.
引用
收藏
页数：11
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