A linear tightly coupled dipole array with wide-angle scanning

被引：1

作者：

Jia, Yongtao ^{[1
]}

Hu, Jinhan ^{[1
]}

Liu, Ying ^{[1
]}

Liu, Zhong-Xun ^{[1
]}

机构：

[1] Xidian Univ, Sch Elect Engn, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Shaanxi, Peoples R China

来源：

INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING | 2022年 / 32卷 / 09期

基金：

中国国家自然科学基金;

关键词：

linear phased array; low profile; tightly coupled dipole array (TCDA); wide-scanning angle; ANTENNA; BAND;

D O I：

10.1002/mmce.23284

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

A low-profile linear tightly couple dipole array (TCDA) with wide impedance bandwidth and wide-angle scanning is proposed in this letter. To implement the design concept of TCDA in a linear array, vertical metal walls are loaded on two sides of the array, which aims to provide the electromagnetic boundaries that are destroyed in the initial linear TCDA. Slots are notched on the ground plane, so as to increase the capacitance at low frequency and then to improve the impedance bandwidth. Simulated results show that the proposed linear array can achieve a 3.1:1 bandwidth from 3.8 to 11.6 GHz with VSWR <3:0, and the maximum scanning angle is up to +/- 60 degrees. The total profile of the proposed arrays is only 0.13 free-space wavelength at the lowest operating frequency. A 1 x 18 linear array prototype is finally fabricated and measured. The measured results agree well with the simulated ones.

引用

页数：8

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