2D direction of arrival estimation with acoustic vector sensor array based on quarternions MUSIC algorithm

被引：0

作者：

Li, Xin-Bo ^{[1
]}

Sun, Hai-Xin ^{[2
]}

Li, Xiao-Qing ^{[1
]}

Zhao, Yang ^{[1
]}

Liang, Liang ^{[1
]}

Fang, Xiao-Peng ^{[1
]}

机构：

[1] College of Communication Engineering, Jilin University, Changchun

[2] College of Electronics and Information Engineering, Changchun University, Changchun

来源：

Jilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition) | 2014年 / 44卷 / 05期

关键词：

Acoustic vector sensor; DOA estimation; Information processing; MUSIC algorithm; Quaternion;

D O I：

10.7964/jdxbgxb201405037

中图分类号：

学科分类号：

摘要：

The similarity between the steering vector and quaternion of acoustic vector sensor is utilized to derive and establish the quaternion expressing form of the steering vector, and the quaternion model of the acoustic vector sensor array is proposed. Moreover, the orthogonality of the steering vector and noise subspace is theoretically analyzed. Based on the quaternion Multiple Signal Classification (MUSIC) spatial spectrum, a 2-D Direction of Arrival (DOA) estimation method is proposed. Experiment results show that the resolution of the quaternion MUSIC algorithm is better than that of the vector MUSIC algorithm. In low Signal-to-Noise Ratio (SNR), the quaternion MUSIC algorithm has higher accuracy of DOA estimation. At the same time, this method can be applied not only to the L-shape array and plane array, but also to other array formations.

引用

页码：1453 / 1459

页数：6

共 9 条

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