Wide-beam bent cross-shaped DRA antenna for wide-angle beam-scanning phased array

被引：1

作者：

Liu, Hongmei ^{[1
]}

Zhang, Tielin ^{[1
]}

Yu, Da ^{[1
]}

Fang, Shaojun ^{[1
]}

Wang, Zhongbao ^{[1
]}

机构：

[1] Dalian Maritime Univ, Sch Informat Sci & Technol, Dalian 116026, Liaoning, Peoples R China

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2023年 / 65卷 / 06期

基金：

中国国家自然科学基金;

关键词：

bent dielectric resonator; phased array; wide-angle beam-scanning; DIELECTRIC RESONATOR ANTENNA;

D O I：

10.1002/mop.33583

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：

In the paper, a bent cross-shaped dielectric resonator antenna element with wide half-power beamwidth of 224.9 degrees is proposed and applied for designing a 1 x 8 wide-angle beam-scanning linear phased array. To obtain small gain drop and reduce the mutual coupling of the scanning array, the dielectric wall loaded rectangular truncated slots are inserted. For validation, a prototype operating at 5.8 GHz is designed. Measurement results indicate that the main beam of the designed phased array can scan from -70 degrees to +70 degrees GHz with a gain drop of less than 1.75 dB and a sidelobe level of less than -5.08 dB.

引用

页码：1635 / 1641

页数：7

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