Polarization-DOA estimation for conical conformal array based on dimension reduced MUSIC

LIU Shuai; HAN Yong; YAN Fenggang; JIN Ming

doi:10.11918/j.issn.0367-6234.201607115

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Polarization-DOA estimation for conical conformal array based on dimension reduced MUSIC

更新时间：2026-10-19

- Polarization-DOA estimation for conical conformal array based on dimension reduced MUSIC
- Vol. 49, Issue 5, Pages: 2017-5(2017)
- 作者机构：
  
  哈尔滨工业大学(威海)信息与电气工程学院,山东,威海,264209
- 作者简介：
- 基金信息：
- DOI：10.11918/j.issn.0367-6234.201607115
  CLC： TN911.7
- Published：2017
- 稿件说明：
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LIU Shuai, HAN Yong, YAN Fenggang, et al. Polarization-DOA estimation for conical conformal array based on dimension reduced MUSIC[J]. 2017, 49(5): 2017-5.
DOI：

LIU Shuai, HAN Yong, YAN Fenggang, et al. Polarization-DOA estimation for conical conformal array based on dimension reduced MUSIC[J]. 2017, 49(5): 2017-5. DOI： 10.11918/j.issn.0367-6234.201607115.

摘要

针对传统MUSIC (multiple signal classification) 算法在锥面共形阵列极化-DOA (direction of arrival) 参数联合估计过程中计算复杂度较高的问题，利用单极化阵元构造极化敏感锥面共形阵列，并建立阵列接收信号模型.通过构造同极化接收子阵，将导向矢量中空域信息和极化域信息去“耦合”，在考虑阵元遮挡效应的条件下，结合秩损原理实现了基于降维MUSIC算法的极化-DOA多参数估计，减小了极化-DOA参数估计的计算量.通过计算机仿真证明了方法的有效性.

Abstract

Focusing on the problem of high computation complexity of MUSIC algorithm which is used for joint polarization-DOA estimation of conical conformal array

the signal model of conical conformal array is established and is built by single polarizative elements. Through the building of same polarizative sub-array

the polarization and DOA information of steering vector is de-coupled

considering the shadow effectors of conformal array

dimension reduced MUSIC is derived by rank reduction theory

which realizes polarization-DOA estimation by less computation complexity. The method has been verified by computer simulations.

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