A Design Method for Circularly Polarized Antenna Arrays with High Aperture Efficiency and Reconfigurable Scattering Characteristics

WANG Peng-fei; HU Wen-yan; JIA Yong-tao; ZHANG Jia-hao; SHI Gang; LIU Ying

doi:10.12263/DZXB.20250233

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A Design Method for Circularly Polarized Antenna Arrays with High Aperture Efficiency and Reconfigurable Scattering Characteristics

PAPERS | 更新时间：2025-12-27

- A Design Method for Circularly Polarized Antenna Arrays with High Aperture Efficiency and Reconfigurable Scattering Characteristics
- ACTA ELECTRONICA SINICA Vol. 53, Issue 8, Pages: 2729-2737(2025)
- 作者机构：
  
  1.西安电子科技大学雷达探测感知全国重点实验室，陕西西安 710071
  2.北京机电工程总体设计部，北京 100854
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China(62171339;62271366;62401435)
- DOI：10.12263/DZXB.20250233
  CLC： TN821;
- Received：27 March 2025，
  
  Accepted：22 August 2025，
  
  Published：25 August 2025
- 稿件说明：
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王鹏飞, 胡文研, 贾永涛, 等. 一种具有高口径效率和可重构散射特性的圆极化天线阵列设计方法[J]. 电子学报, 2025, 53(08): 2729-2737.

WANG Peng-fei, HU Wen-yan, JIA Yong-tao, et al. A Design Method for Circularly Polarized Antenna Arrays with High Aperture Efficiency and Reconfigurable Scattering Characteristics[J]. Acta Electronica Sinica, 2025, 53(08): 2729-2737.
王鹏飞, 胡文研, 贾永涛, 等. 一种具有高口径效率和可重构散射特性的圆极化天线阵列设计方法[J]. 电子学报, 2025, 53(08): 2729-2737. DOI：10.12263/DZXB.20250233

WANG Peng-fei, HU Wen-yan, JIA Yong-tao, et al. A Design Method for Circularly Polarized Antenna Arrays with High Aperture Efficiency and Reconfigurable Scattering Characteristics[J]. Acta Electronica Sinica, 2025, 53(08): 2729-2737. DOI：10.12263/DZXB.20250233

摘要

本文提出了一种具备高口径效率与可重构散射特性的圆极化天线阵列设计方法.首先，基于p-i-n二极管设计了一种可重构天线单元，在保持圆极化辐射特性稳定的前提下，实现了相位差180°的两种散射状态切换.其次，通过创新性地采用馈电结构重叠设计，显著减少了单元中二极管的使用数量，从而提升了辐射性能.最终，基于该单元构建了2 × 8圆极化相控阵，其在9.4 GHz工作频率下实现了14.6 dBic的增益和86.5%的口径效率.此外，该阵列的辐射波束可在±45°范围内扫描，同时其散射波束能在±32°范围内有效调控，且不影响圆极化辐射特性的稳定.实测与仿真结果的高度一致性验证了设计方法的有效性.

Abstract

A design method for circularly polarized antenna arrays featuring high aperture efficiency and reconfigurable scattering characteristics is proposed. Firstly

a reconfigurable antenna element is constructed using p-i-n diodes

which achieves two scattering states with a phase difference of 180° while maintaining stable circularly polarized radiation characteristics. Secondly

by innovatively adopting an overlapping feeding structure design

the number of diodes used in the antenna element is significantly reduced

effectively improving the radiation performance. Finally

a 2 × 8 circularly polarized phased array is constructed based on this element

achieving a gain of 14.6 dBic and an aperture efficiency of 86.5% at 9.4 GHz. Additionally

the radiation beam of the array can be scanned within a range of ±45°

and its scattering beam can be effectively adjusted within a range of ±32° without compromising the stability of its circularly polarized radiation characteristics. The high consistency between the measured and simulation results verifies the effectiveness of the proposed design method.

关键词

Keywords

references

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