A Novel Fast Method for 2-D Direction of Arrival Estimation ——Virtual Cumulant-Based DOA Matrix Method

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A Novel Fast Method for 2-D Direction of Arrival Estimation ——Virtual Cumulant-Based DOA Matrix Method

更新时间：2025-07-16

- A Novel Fast Method for 2-D Direction of Arrival Estimation ——Virtual Cumulant-Based DOA Matrix Method
- Acta Electronica Sinica Vol. 30, Issue 3, Pages: 351-353(2002)
- 作者机构：
  
  1. 国防科技大学电子科学与工程学院,湖南,长沙,410073
  2. 国防科技大学电子科学与工程学院湖南长沙,410073
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.7
- Published：2002
- 稿件说明：
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LIU Quan. A Novel Fast Method for 2-D Direction of Arrival Estimation ——Virtual Cumulant-Based DOA Matrix Method[J]. Acta Electronica Sinica, 2002, 30(3): 351-353.
DOI：

LIU Quan. A Novel Fast Method for 2-D Direction of Arrival Estimation ——Virtual Cumulant-Based DOA Matrix Method[J]. Acta Electronica Sinica, 2002, 30(3): 351-353. DOI：

摘要

本文利用3个具有特别位移特性的任意子阵元阵列和累量

构造出了虚拟累量域波达方向矩阵.利用虚拟累量域波达方向矩阵的特征值的幅值和相位信息

就可以求出信号源的方位角和俯仰角.因为子阵列结构是任意的

因此选择适当的子阵列就获得很好的估计效果.而由于采用了累量

因此新方法对高斯噪声不敏感.

Abstract

A new type matrix-virtual cumulant-based DOA matrix

is formed based on three arbitrary sensor subarrays with special translation.The azimuth and elevation of the incident sources can be estimated respectively from the amplitude and phase information of the eigenvalues of the new matrix.Accurate estimation can be obtained due to the arbitrary geometry of the subarrays and the insensitivity of cumulants to Gaussian noise.

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