The Joint Estimation of DOA and Frequency Based on SOBI Approach

LIU Lu-tao; YANG Bo-wen; SI Xi-cai

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The Joint Estimation of DOA and Frequency Based on SOBI Approach

更新时间：2026-07-10

- The Joint Estimation of DOA and Frequency Based on SOBI Approach
- Vol. 15, Issue 5, Pages: 52-56(2010)
- 作者机构：
  
  哈尔滨工程大学信息与通信工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.7
- Published：2010
- 稿件说明：
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LIU Lu-tao, YANG Bo-wen, SI Xi-cai. The Joint Estimation of DOA and Frequency Based on SOBI Approach[J]. 2010, 15(5): 52-56.
DOI：

LIU Lu-tao, YANG Bo-wen, SI Xi-cai. The Joint Estimation of DOA and Frequency Based on SOBI Approach[J]. 2010, 15(5): 52-56. DOI：

摘要

提出了一种基于SOBI(second-Order Blind Identification)方法的频率和角度联合估计算法.假设信源间的相关时间长度一定

利用大于相关时间的延时构成非中心协方差矩阵去除信源之间的相关性

组合多个延时不同的非中心协方差矩阵构造移不变特性矩阵结构

并应用ESRIT方法获得信号频率

最后利用搜索方法获得信号波达方向(DOA)估计值.数值仿真结果证实了所提方法DOA与频率估计的正确性与实用性.

Abstract

The problem of simultaneously estimating the Direction of Arrival(DOA) and frequencies of multiple signals arriving at an antenna array is considered.The paper supplies a computationally simple joint DOA-frequency estimation method based on SOBI(Second-order Blind Identification).Based on statistical properties of sources

the proposed method eliminates the correlation effect of different sources assuming that the temporal-correlation length of sources is limited.A new matrix combining of multiple pseudo-cov...

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