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An Ultrawideband Tightly Coupled Antipodal Vivaldi Antenna Array for UHF-Ku Band Applications

被引：0
|
作者：
Huang, Ming [1 ]
Zhang, Kaizhi [1 ]
Wang, Li [1 ]
Qiao, Wensheng [1 ]
机构：
[1] Southwest China Inst Elect Technol, Chengdu 610036, Sichuan, Peoples R China
来源：
2017 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION & USNC/URSI NATIONAL RADIO SCIENCE MEETING | 2017年
关键词：
Antipodal Vivaldi antenna; tightly coupled array; wideband antenna; BANDWIDTH;
D O I：
暂无
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：
Designing a tightly coupled antipodal Vivaldi antenna (TC-AVA) array is proposed in this paper. With increased capacitive coupling effects of the overlapped end portions of adjacent flare-arms of AVA elements, the bandwidth of the TC-AVA array is effectively broadened by decreasing the lowest frequency about 69.5% compared with the single isolated element. The simulated results show that the proposed TC-AVA array operates over 0.51-18GHz band (35.3:1 bandwidth) for VSWR <= 3.5 and possesses stable radiation patterns and nearly constant group delay in most frequencies. It is an excellent candidate for UHF-Ku band ultra-fast data-links and direction fmding systems.
引用
收藏
页码：1323 / 1324
页数：2
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