A Hybrid Metamaterial-Based Wide-Angle Beam-Scanning Phased Array Antenna

WANG Zhan; DONG Yuan-dan

doi:10.12263/DZXB.20220798

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A Hybrid Metamaterial-Based Wide-Angle Beam-Scanning Phased Array Antenna

PAPERS | 更新时间：2025-12-08

- A Hybrid Metamaterial-Based Wide-Angle Beam-Scanning Phased Array Antenna
- ACTA ELECTRONICA SINICA Vol. 51, Issue 2, Pages: 267-274(2023)
- 作者机构：
  
  电子科技大学电子科学与工程学院（示范性微电子学院），四川成都 611731
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(62171091;62161160310)
- DOI：10.12263/DZXB.20220798
  CLC： TN821+.8;
- Received：08 July 2022，
  
  Revised：2022-12-07，
  
  Published：25 February 2023
- 稿件说明：
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王崭,董元旦.基于混合电磁超材料的宽角扫描相控阵天线[J].电子学报,2023,51(02):267-274.

WANG Zhan,DONG Yuan-dan.A Hybrid Metamaterial-Based Wide-Angle Beam-Scanning Phased Array Antenna[J].ACTA ELECTRONICA SINICA,2023,51(02):267-274.
王崭,董元旦.基于混合电磁超材料的宽角扫描相控阵天线[J].电子学报,2023,51(02):267-274. DOI： 10.12263/DZXB.20220798.

WANG Zhan,DONG Yuan-dan.A Hybrid Metamaterial-Based Wide-Angle Beam-Scanning Phased Array Antenna[J].ACTA ELECTRONICA SINICA,2023,51(02):267-274. DOI： 10.12263/DZXB.20220798.

摘要

本文提出了一种新颖的基于混合电磁超材料的小型化低成本宽角扫描相控阵天线.通过在介质谐振器上加载电磁超表面，引入额外的容性加载，实现了一种新型的小型化混合电磁超材料辐射体结构（电尺寸仅为

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29.46400070

3.21733332

）.同时，由于混合电磁超表面的小型化和周期特性，阵间距缩短为

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7.95866632

3.21733332

，增大了波束的扫描范围.此外，混合超材料辐射体中嵌入的空气孔和地板上开设的T形槽，能够提高阵元间的隔离度.基于混合电磁超材料、紧间距布阵和去耦设计，对一个五元宽角扫描线阵进行了设计与测试.该阵列各端口的

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4.99533367

2.28600001

dB阻抗带宽均大于3.30~3.80 GHz（14.1%），带内隔离度均优于13 dB，最大辐射增益10.1 dBi，主波瓣扫描范围为

</mo><mtext> </mtext><mn mathvariant="normal">84</mn><mo>°</mo><mo stretchy="false">]</mo></math>

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13.88533401

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，3 dB波束宽度覆盖范围为

</mo><mtext> </mtext><mn mathvariant="normal">105</mn><mo>°</mo><mo stretchy="false">]</mo></math>

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17.01799965

2.87866688

.该阵列具有小型化、宽带宽、宽扫描范围以及低成本的优点，适用于低成本、高可靠性和智能化的无线通信应用.

Abstract

A novel miniaturized

low-cost

wide-angle beam-scanning phased array antenna based on hybrid metamaterial is proposed in this paper. By loading the metasurface on the dielectric resonator (DR)

a novel hybrid metamaterial radiator with a compact size of

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29.46400070

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is implemented owing to the extra capacitive loading. Based on the miniaturization and periodicity of the metasurface

the array spacing is reduced to

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7.95866632

3.21733332

. As a result

a wider beam-scanning range is realized. Besides

the isolation between different elements is improved by loading the air vias on the DR and etching the T-shaped slots on the ground. Based on the hybrid metamaterial radiator

the compact array design method and the decoupling scheme

a miniaturized five-element linear array is fabricated and measured. The measured

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dB impedance bandwidth is 3.30~3.80 GHz (14.1%)

the port isolation is greater than 13 dB

and the realized peak gain is 10.1 dBi. The main lobe can scan from

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6.26533365

2.28600001

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4.48733330

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and the 3 dB beam-width coverage range is

</mo><mtext> </mtext><mn mathvariant="normal">105</mn><mo>°</mo><mo stretchy="false">]</mo></math>

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17.01799965

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. The proposed array has the advantages of compact size

broadband

low-cost

and wide-angle beam-scanning capability

which makes it suitable for intelligent

low-cost

and robust wireless communication applications.

关键词

Keywords

references

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WANG Zhan

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School of Electronic Science and Engineering， University of Electronic Science and Technology of China

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