A Dual-Polarized Wide-Angle Scanning Linear Phased Array Antenna With Simple Decoupling Structure

IF 1 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Microwave and Optical Technology Letters Pub Date : 2024-11-08 DOI:10.1002/mop.70026

Qi-Qiang Li, Yao Yang, Jian-Ying Li, Shi-Gang Zhou

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Abstract

A dual-polarization linear phased array with a simple decoupling structure is designed for wide scanning in this letter. The suggested antenna is made up of two printed dipole antennas that are orthogonally arranged and have a high cross-polarized isolation. Metal sheets cladding on antenna substrates serve as a decoupling structure, with an array element spacing of 0.48 $λ$ . A linear phased array of seven elements is fabricated and measured to ensure that the planned array is feasible. The simulated and measured results demonstrate that the phased array can scan its main beam up to ±75° in dual-polarized excitations at 5.6–6.4 GHz. The co-polarized mutual coupling is below −28 dB, and the active reflection coefficient of the element is less than −15 dB.

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具有简单去耦结构的双极化宽角扫描线性相控阵天线

本信设计了一种具有简单去耦结构的双极化线性相控阵，用于宽扫描。所建议的天线由两个正交排列的印刷偶极子天线组成，具有很高的交叉极化隔离度。天线基板上的金属片覆层作为去耦结构，阵元间距为 0.48 λ ${rm\{lambda }}$ 。我们制作并测量了一个由七个元件组成的线性相控阵，以确保计划中的阵列是可行的。模拟和测量结果表明，在 5.6-6.4 GHz 的双极化激励下，相控阵的主波束扫描范围可达 ±75°。同极化相互耦合低于 -28 dB，元件的有源反射系数低于 -15 dB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Microwave and Optical Technology Letters 工程技术-工程：电子与电气

CiteScore

3.40

自引率

20.00%

发文量

371

审稿时长

4.3 months

期刊介绍： Microwave and Optical Technology Letters provides quick publication (3 to 6 month turnaround) of the most recent findings and achievements in high frequency technology, from RF to optical spectrum. The journal publishes original short papers and letters on theoretical, applied, and system results in the following areas. - RF, Microwave, and Millimeter Waves - Antennas and Propagation - Submillimeter-Wave and Infrared Technology - Optical Engineering All papers are subject to peer review before publication