Ultra-Wideband Wide-Scanning Dual-Polarized Vivaldi Antenna Unit with Novel Pendulum-Shaped Slots

被引：0
作者：
Fang, Shigang [1 ]
Qu, Shi-Wei [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu, Peoples R China
来源：
2024 18TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION, EUCAP | 2024年
关键词：
UWB; dual-polarized; Vivaldi; pendulum-shaped slot; ARRAY;
D O I：
10.23919/EuCAP60739.2024.10501376
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：
An ultra-wideband (UWB) wide-scanning dualpolarized Vivaldi antenna unit is proposed in this paper. Vivaldi antennas always suffer from the high-profile problem. As a solution, the novel pendulum-shaped slots are designed, which notably reduces the profile and enhances the wide-scanning ability. Thus, the proposed dual-polarized Vivaldi antenna unit achieves +/- 60 degrees beam scanning in E/H/D planes with an active VSWR below 2.5 in 6 similar to 18GHz. The orthogonal port coupling during beam scanning is lower than -30dB in E/H planes, -10dB in D plane. Computed performances prove that the proposed dual-polarized antenna unit is of great potential to be employed for large-scale Vivaldi arrays.
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页数：4
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