An Ultrawideband Dual-Polarized Tightly Coupled Dipole Array (TCDA) With Wide Scanning Range

被引：5

作者：

Zhao, Liangliang ^{[1
]}

Zhu, Hailiang ^{[1
]}

Ding, Can ^{[2
]}

Liu, Ganyu ^{[1
]}

Zhao, Huiling ^{[1
]}

Mou, Jinchao ^{[3
]}

Guo, Y. Jay ^{[2
]}

机构：

[1] Northwestern Polytech Univ, Sch Elect & Informat, Xian 710129, Peoples R China

[2] Univ Technol Sydney, Globe Big Data Technol Ctr, Ultimo, NSW 2007, Australia

[3] China Satellite Network Innovat Co Ltd, Beijing 100029, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2024年 / 23卷 / 07期

关键词：

Common-mode (CM) suppression; dual-polarization; tightly coupled dipole array (TCDA); ultrawideband; wide-angle scanning;

D O I：

10.1109/LAWP.2023.3330508

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：

This letter presents an ultrawideband dual-linearly-polarized tightly coupled dipole array (TCDA) designed for wide-angle scanning in both E- and H-planes. The proposed TCDA design achieves exceptional performance, boasting a bandwidth of 10.2:1 (1.3-13.3 GHz) and an active voltage standing wave ratio of less than 3 when scanning up to +/- 70 degrees in both E- and H-planes. This superior performance is achieved through the incorporation of four new design elements: 1) gradual shorting posts, 2) resistance patches, 3) a notched balun, and 4) a composite double-layer superstrate. These design elements effectively suppress various resonances, improve impedance matching, and enhance beam scanning capabilities. The antenna element has dimensions of 0.43 lambda c x 0.43 lambda c x 0.57.c, where.c represents the free space wavelength at the center frequency of 7.3 GHz.

引用

页码：1961 / 1965

页数：5

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