基于机电耦合的有源相控阵天线辐射和散射特性综合优化

doi:10.3969/j.issn.0372-2112.2015.06.022

电子学报 ›› 2015, Vol. 43 ›› Issue (6): 1185-1191.DOI: 10.3969/j.issn.0372-2112.2015.06.022

基于机电耦合的有源相控阵天线辐射和散射特性综合优化

王从思^1,2, 王伟锋¹, 段宝岩¹, Liwei Lin², 王伟¹, 平丽浩³, 余涛¹

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, CA94720, USA;
3. 南京电子技术研究所, 江苏南京 210039

收稿日期:2013-09-27 修回日期:2014-01-08 出版日期:2015-06-25
- 通讯作者:
- 王伟锋
- 作者简介:
- 王从思 男,1980年10月生于安徽风阳.西安电子科技大学教授、博士生导师.中国电子学会、中国机械工程学会高级会员,中国宇航学会、IEEE、IET会员.中国电子学会青年工作委员会委员.主要从事电子装备机电耦合、多场耦合建模与分析、天线结构与热设计等研究工作. E-mail:congsiwang@163.com段宝岩男,1955年生于河北冀县,中国工程院院士,西安电子科技大学电子机械学科教授、博士生导师,中国电子学会会士,电子机械工程分会主任委员,《Chinese Journal of Electronics》副主编,《电子机械工程》编委会主任.主要研究领域为电子机械工程、电子装备机电耦合、工程结构优化设计等. E-mail:byduan@xidian.edu.cnLiwei Lin 美国加州大学伯克利分校传感器和执行器中心联合主任,长江学者讲座教授、千人计划专家.主要研究方向:MEMS、纳米技术、设计和制造微传感器和微执行器等. E-mail:lwlin@me.berkeley.edu王伟男,1980年生于安徽砀山.西安电子科技大学机副教授,研究方向为电子装备机电耦合、大型天线结构优化设计、型面变形预测及补偿等. E-mail:wwang@xidian.edu.cn
- 基金资助:
- 国家自然科学基金项目 (No.51035006,No.51205301,No.50805111); 新世纪优秀人才支持计划 (No.NCET-09-0633); 高等学校博士学科点专项科研基金 (No.20120203110012); 中央高校基本科研业务费专项资金 (No.K50510040001,No.K5051304009,No.72103389); 高等学校学科创新引智计划 (No.B14042)

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

WANG Cong-si^1,2, WANG Wei-feng¹, DUAN Bao-yan¹, LIN Liwei², WANG Wei¹, PING Li-hao³, YU Tao¹

1. Key Laboratory of Electronic Equipment Structure Design, Ministry of Education, Xidian University, Xi'an, Shaanxi 710071, China;
2. Berkeley Sensor and Actuator Center, Department of Mechanical Engineering, University of California at Berkeley, Berkeley, CA94720, USA;
3. Nanjing Research Institute of Electronics Technology, Nanjing, Jiangsu 210039, China

Received:2013-09-27 Revised:2014-01-08 Online:2015-06-25 Published:2015-06-25
- Supported by:
- National Natural Science Foundation of China (No.51035006, No.51205301, No.50805111); Program for New Century Excellent Talents in University of Ministry of Education of China (No.NCET-09-0633); Research Fund for the Doctoral Program of Higher Education of China (No.20120203110012); Fundamental Research Funds for the Central Universities (No.K50510040001, No.K5051304009, No.72103389); Overseas Expertise Introduction Project for Discipline Innovation (“111Project”) (No.B14042)

摘要/Abstract

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.

关键词: 有源相控阵, 机电耦合, 雷达散射截面, 辐射性能, 单元位置, 相位误差

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.

Key words: active phased array antenna, structural-electromagnetic coupling, radar cross section, radiation performance, element position, phase error

中图分类号:

TN821.8

王从思, 王伟锋, 段宝岩, 等. 基于机电耦合的有源相控阵天线辐射和散射特性综合优化[J]. 电子学报, 2015, 43(6): 1185-1191.

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.

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基于机电耦合的有源相控阵天线辐射和散射特性综合优化

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

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