RSI Algorithm for Direction of Arrival Estimation with Uncertainties of Sensor Gain

ZHAO Wei-liang; LONG Ke-ping; DU Hui-ping

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RSI Algorithm for Direction of Arrival Estimation with Uncertainties of Sensor Gain

更新时间：2025-07-16

- RSI Algorithm for Direction of Arrival Estimation with Uncertainties of Sensor Gain
- Acta Electronica Sinica Vol. 29, Issue 9, Pages: 1266-1268(2001)
- 作者机构：
  
  1. 重庆邮电学院,重庆,400065
  2. 北京邮电大学,北京,100876
  3. 重庆邮电学院重庆,400065
  4. 北京邮电大学北京,100876
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.72
- Published：2001
- 稿件说明：
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ZHAO Wei-liang, LONG Ke-ping, DU Hui-ping. RSI Algorithm for Direction of Arrival Estimation with Uncertainties of Sensor Gain[J]. Acta Electronica Sinica, 2001, 29(9): 1266-1268.
DOI：

ZHAO Wei-liang, LONG Ke-ping, DU Hui-ping. RSI Algorithm for Direction of Arrival Estimation with Uncertainties of Sensor Gain[J]. Acta Electronica Sinica, 2001, 29(9): 1266-1268. DOI：

摘要

阵元增益不一致导致ESPRIT算法的波达方向(DOA)估计性能恶化.本文提出了一种新的利用子空间旋转不变性(SRI)的DOA估计算法

将DOA信息包含于矩阵的特征值估计中

但对增益幅度误差不敏感.由于未利用增益幅度信息

DOA估计结果可能存在模糊性

本文给出了解模糊方法及仿真实验结果.

Abstract

Recent studies have shown that performance of DOA estimation via ESPRIT or other algorithms degrades drastically with a bad knowledge on array manifold.In this paper

a new approach based on subspace rotational invariance (SRI) for DOA estimation with unknown intensity coefficients is proposed.The ambiguous estimation appears in certain cases and must be eliminated.Detailed analysis of ambiguous problem is presented and is illuminated by numerical examples.

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