基于旋转不变子空间原理的共形阵列DOA与极化状态联合估计

上海交通大学学报（自然版） ›› 2013, Vol. 47 ›› Issue (07): 1137-1142.

• 无线电电子学、电信技术 • 上一篇下一篇

基于旋转不变子空间原理的共形阵列DOA与极化状态联合估计

郭英1，高梅1，张树银1,2，霍文俊1

（1.空军工程大学信息与导航学院，陕西西安 710077； 2.空军西安飞行学院，陕西西安 710300)

收稿日期:2012-06-25 出版日期:2013-07-30 发布日期:2013-07-30
基金资助:
国家自然科学基金资助项目（61172148）；航空科学基金项目（20112096016）

DOA and Polarization Estimation with Conformal Array Based on ESPRIT

GUO Ying1,GAO Mei1,ZHANG Shuyin1,2,HUO Wenjun1

(1.Information and Navigation College, Air Force Engineering University, Xi’an 710077, China; 2.Air Force Xi’an Flight Academy, Xi’an 710300, China)

Received:2012-06-25 Online:2013-07-30 Published:2013-07-30

摘要/Abstract

摘要：

利用交叉电偶极子天线单元在锥面共形载体上构造极化敏感阵列，推导并建立了其快拍数据模型.在此基础上，利用锥面共形载体的单曲率特性构造满足旋转不变关系的成对子阵，根据旋转不变子空间思想提出一种信源方位和极化参数的联合估计算法.MonteCarlo仿真实验表明，该算法能够很好地解决锥面共形阵列应用中的多参数联合估计问题.

关键词: 共形阵列天线, 多极化特性, 旋转不变子空间, 极化参数估计

Abstract:

A polarization sensitive conical conformal array antenna with crossed dipole elements was formed and its uniform data model was built, based on which, by employing the special structure properties of single curvature surface, the sub-arrays was found to agree with the rotational invariance relationship required by the ESPRIT algorithm and a joint estimation method of 2D DOA and polarization was proposed. Monte-Carlo simulation results show that the proposed algorithm is competent to solve the problem of joint 2D DOA and polarization estimation based on conical conformal array antenna (CAA).

Key words: conformal array antenna, polarization diversity, estimation of signal parameters via rotational invariance technique(ESPRIT), polarization estimation

中图分类号:

TN 911.7

郭英1，高梅1，张树银1,2，霍文俊1. 基于旋转不变子空间原理的共形阵列DOA与极化状态联合估计[J]. 上海交通大学学报（自然版）, 2013, 47(07): 1137-1142.

GUO Ying1,GAO Mei1,ZHANG Shuyin1,2,HUO Wenjun1. DOA and Polarization Estimation with Conformal Array Based on ESPRIT[J]. Journal of Shanghai Jiaotong University, 2013, 47(07): 1137-1142.

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基于旋转不变子空间原理的共形阵列DOA与极化状态联合估计

DOA and Polarization Estimation with Conformal Array Based on ESPRIT

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