Integrated Radiation-Scattering Optimization of Active Phased Array Antennas Based Structural-Electromagnetic Coupling Method

WANG Cong-si; WANG Wei-feng; DUAN Bao-yan; LIN Liwei; WANG Wei; PING Li-hao; YU Tao

doi:10.3969/j.issn.0372-2112.2015.06.022

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Integrated Radiation-Scattering Optimization of Active Phased Array Antennas Based Structural-Electromagnetic Coupling Method

更新时间：2025-07-16

- Integrated Radiation-Scattering Optimization of Active Phased Array Antennas Based Structural-Electromagnetic Coupling Method
- Acta Electronica Sinica Vol. 43, Issue 6, Pages: 1185-1191(2015)
- 作者机构：
  
  1. 西安电子科技大学电子装备结构设计教育部重点实验室,陕西,西安,710071
  2. Berkeley Sensor and Actuator Center, Department of Mechanical Engineering, University of California at Berkeley, Berkeley, 20,USA,CA947
  3. 南京电子技术研究所,江苏,南京,210039
  4. 西安电子科技大学电子装备结构设计教育部重点实验室,陕西,西安,710071
  5. Berkeley Sensor and Actuator Center Department of Mechanical Engineering University of California at Berkeley Berkeley 20 USA,CA947
  6. 南京电子技术研究所,江苏,南京,210039
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2015.06.022
  CLC： TN821.8
- Published：2015
- 稿件说明：
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WANG Cong-si, WANG Wei-feng, DUAN Bao-yan, et al. Integrated Radiation-Scattering Optimization of Active Phased Array Antennas Based Structural-Electromagnetic Coupling Method[J]. Acta Electronica Sinica, 2015, 43(6): 1185-1191.
DOI：

WANG Cong-si, WANG Wei-feng, DUAN Bao-yan, et al. Integrated Radiation-Scattering Optimization of Active Phased Array Antennas Based Structural-Electromagnetic Coupling Method[J]. Acta Electronica Sinica, 2015, 43(6): 1185-1191. DOI： 10.3969/j.issn.0372-2112.2015.06.022.

摘要

针对有源相控阵天线的雷达散射截面(Radar Cross Section

RCS)计算复杂、缩减困难

以及RCS与辐射性能难以兼顾问题

基于阵面结构变形与安装引起的辐射单元位置偏移分析

利用辐射单元相位误差

建立了有源相控阵天线阵列散射因子RCS的机电耦合模型.并基于该耦合模型

应用粒子群优化算法

优化阵面所有辐射单元的安装高度

以实现有源相控阵天线辐射性能和散射性能的全优.仿真结果表明

所建立的耦合模型及综合优化方法能够在保证有源相控阵天线辐射性能的条件下

有效缩减其RCS

具有重要的工程应用价值.

Abstract

To efficiently compute and reduce radar cross section (RCS) of active phased array antenna

and to balance the performance of the radiation and scattering

a novel coupled structural-electromagnetic model of the array RCS factor of active phased array antenna is developed based on the phase errors of the array elements caused by antenna structural distortion and installation.According to the coupled model

the particle swarm optimization method is used to obtain the optimal installation height of all the array elements for the better radiation and scattering performances of active phased array antenna.The simulation results prove that the developed model and the integrated optimization method can effectively reduce the RCS of active phased array antenna with good radiation performances

which demonstrates an important application value in engineering.

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Related Institution

System Design Institute of Mechanical-Electrical Engineering

National Key Laboratory of Radar Detection and Sensing, Xidian University

School of Aerospace Science and Technology， Xidian University

安徽大学计算智能与信号处理教育部重点实验室

Dept.of Electronic Engineering,Beijing University of Aeronautics and Astronautics

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