互耦条件下极化阵列子阵级自适应处理

doi:10.12305/j.issn.1001-506X.2026.05.07

系统工程与电子技术 ›› 2026, Vol. 48 ›› Issue (5): 1515-1522.doi: 10.12305/j.issn.1001-506X.2026.05.07

互耦条件下极化阵列子阵级自适应处理

熊梓翔, 庞晨, 周坚, 王奕清, 王占领, 王平, 李永祯

国防科技大学电子科学学院，湖南长沙 410073

收稿日期:2024-10-23 出版日期:2026-05-27 发布日期:2026-05-27
通讯作者: 庞晨
作者简介:熊梓翔（2000—），男，硕士研究生，主要研究方向为极化相控阵、极化雷达信号处理
周　坚（1996—），男，博士研究生，主要研究方向为极化相控阵、极化精密测量
王奕清（1999—），女，博士研究生，主要研究方向为极化相控阵、极化雷达信号处理
王占领（1988—），男，助理研究员，博士，主要研究方向为极化相控阵、极化精密测量
王　平（1976—），男，研究员，博士研究生导师，博士，主要研究方向为精确制导
李永祯（1977—），男，研究员，博士研究生导师，博士，主要研究方向为极化雷达信号处理、雷达电子对抗
基金资助:
国家自然科学基金（61921001,62301580）；湖南省科技创新计划（2024RC3138）资助课题

Subarray lever adaptive processing for polarization array with mutual coupling

Zixiang XIONG, Chen PANG, Jian ZHOU, Yiqing WANG, Zhanling WANG, Ping WANG, Yongzhen LI

College of Electronic Science and Technology，National University of Defense Technology，Changsha 410073，China

Received:2024-10-23 Online:2026-05-27 Published:2026-05-27
Contact: Chen PANG

摘要/Abstract

摘要：

互耦效应使子阵级多通道信号不再满足理想的幅相关系，导致基于理想导向矢量的子阵级自适应处理效果急剧下降。针对这一问题，提出基于有源单元方向图的极化阵列子阵级自适应处理方法。该方法利用有源单元方向图建立补偿矢量，对子阵通道数据进行互耦补偿。为了减少先验有源单元方向图需求，提出在波束扫描空域内选取不少于子阵数的角度，仅利用选取角度的有源单元方向图重构补偿矢量。仿真证明该方法能够提升阵列自适应处理的干扰抑制效果。

关键词: 互耦, 有源单元方向图, 子阵级处理, 自适应处理

Abstract:

Mutual coupling effect makes subarray level multi-channel signals no longer satisfy the ideal amplitude-phase relationship, resulting in a significant degradation in the performance of subarray level adaptive processing based on ideal steering vectors. Aiming at this problem, an adaptive processing method for polarization arrays at subarray level based on active element pattern is proposed. This method establishes compensation vectors by using active element patterns, and performs mutual coupling compensation on subarray channel data. To reduce the requirement for a priori active element patterns, it is proposed to select angles not less than the number of subarrays in the beam scanning airspace, and reconstruct compensation vectors only by using the active element patterns at the selected angles. Simulations prove that this method can improve the interference suppression performance of array adaptive processing.

Key words: mutual coupling, active element pattern, subarray level processing, adaptive processing

中图分类号:

TN 911.7

熊梓翔, 庞晨, 周坚, 王奕清, 王占领, 王平, 李永祯. 互耦条件下极化阵列子阵级自适应处理[J]. 系统工程与电子技术, 2026, 48(5): 1515-1522.

Zixiang XIONG, Chen PANG, Jian ZHOU, Yiqing WANG, Zhanling WANG, Ping WANG, Yongzhen LI. Subarray lever adaptive processing for polarization array with mutual coupling[J]. Systems Engineering and Electronics, 2026, 48(5): 1515-1522.

图/表 13

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组合	信号	导向矢量
1	$ {{\boldsymbol{x}}_e}\left( t \right) $	$ {{\boldsymbol{a}}_e}\left( {{\theta _s},{\varphi _s}} \right) $
2	$ {{\boldsymbol{x}}_c}\left( t \right) $	$ {{\boldsymbol{a}}_p}\left( {{\theta _s},{\varphi _s}} \right) $
3	$ {{\boldsymbol{x}}_{\widehat c}}\left( t \right) $	$ {{\boldsymbol{a}}_p}\left( {{\theta _s},{\varphi _s}} \right) $
4	$ {{\boldsymbol{x}}_e}\left( t \right) $	$ {{\boldsymbol{a}}_p}\left( {{\theta _s},{\varphi _s}} \right) $

组合	SINR/dB
1	155.26
2	155.26
3	155.25
4	109.02

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互耦条件下极化阵列子阵级自适应处理

Subarray lever adaptive processing for polarization array with mutual coupling

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