Dual-Polarized Directive Ultrawideband Antenna Integrated With Horn and Vivaldi Array

被引：22

作者：

Pan, Yongsheng ^{[1
]}

Cheng, Yang ^{[1
]}

Dong, Yuandan ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Elect Engn, Chengdu 611731, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2021年 / 20卷 / 01期

关键词：

Dual-polarized antenna; horn antenna; ultra wideband antenna; Vivaldi antenna;

D O I：

10.1109/LAWP.2020.3039377

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 novel ultrawideband dual-polarized H-plane horn antenna incorporated with a Vivaldi array is proposed. Aiming at ultrawide low-frequency applications that require dual-polarization with a compact shape, the proposed antenna employs an all-metal shared aperture structure. Different from the conventional dual-polarized horn where dual polarization is achieved using two orthogonal modes of the same waveguide, the proposed antenna uses two different types of transmission line for feeding: rectangular waveguide for vertically polarized (VP) H-plane horn antenna, and slot line for horizontally polarized (HP) Vivaldi antenna array. The Vivaldi slot significantly increases the HP bandwidth compared to the typical dual-polarized horn antennas, and does not disturb the VP radiation pattern. The proposed antenna has a measured -10 dB impedance bandwidth of 103% for HP mode, and 77.5% for VP mode. The measured peak gain for HP is 13.0 dBi and 14.3 dBi for VP. The simulated and measured results are in good alignment.

引用

页码：48 / 52

页数：5

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