Approach for Direction of Arrival Estimation with Sensor Gain Uncertainties

WAN Qun; YANG Wan-lin

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Approach for Direction of Arrival Estimation with Sensor Gain Uncertainties

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- Approach for Direction of Arrival Estimation with Sensor Gain Uncertainties
- Acta Electronica Sinica Vol. 29, Issue 6, Pages: 730-732(2001)
- 作者机构：
  
  电子科技大学电子工程系,四川,成都,610054
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN971.1
- Published：2001
- 稿件说明：
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WAN Qun, YANG Wan-lin. Approach for Direction of Arrival Estimation with Sensor Gain Uncertainties[J]. Acta Electronica Sinica, 2001, 29(6): 730-732.
DOI：

WAN Qun, YANG Wan-lin. Approach for Direction of Arrival Estimation with Sensor Gain Uncertainties[J]. Acta Electronica Sinica, 2001, 29(6): 730-732. DOI：

摘要

在各阵元增益不一致条件下

模型误差导致波达方向(DOA)估计性能恶化.Weiss等研究了一种对增益幅度误差不敏感的一维搜索估计方法

但存在DOA估计的模糊性问题.本文在增益幅度未知条件下

提出了一种新的基于广义特征值分解的DOA估计方法

并给出了模糊性问题分析、解模糊性方法及仿真实验结果.

Abstract

Recent studies have shown that performance of MUSIC or other algorithms degrades drastically and even fails with a bad knowledge on array manifold.An approach based on 1-dimensional searching for DOA estimation with unknown intensity coefficients was presented in [1].The ambiguous peaks appearing in certain cases must be eliminated.In this paper

a new method based on generalized eigenvalue decomposition is proposed.Detailed analysis of ambiguous problem is presented and is illuminated by numerical examples.

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