文献类型：期刊文献

中文题名：Automatic Pairing 2-D Direction Estimation Using Uniformly but Sparsely Spaced Electromagnetic Vector Sensor

英文题名：Automatic Pairing 2-D Direction Estimation Using Uniformly but Sparsely Spaced Electromagnetic Vector Sensor

作者：Liu Zhaoting[1,2];Liu Zhong[2]

机构：[1]Shaoxing Univ, Dept Elect Engn, Shaoxing 312000, Peoples R China;[2]Nanjing Univ Sci & Technol, Dept Elect Engn, Nanjing 210094, Jiangsu, Peoples R China

年份：2012

卷号：21

期号：3

起止页码：505

中文期刊名：电子学报：英文版

外文期刊名：CHINESE JOURNAL OF ELECTRONICS

收录：SCI-EXPANDED(收录号：WOS:000306618700023)、CSTPCD、、EI(收录号：20123115301825)、Scopus(收录号：2-s2.0-84864413705)、WOS

语种：英文

中文关键词：电磁矢量传感器;方位估计;均匀;配对;特征向量;方向余弦;多项式的根;线性阵列

外文关键词：Automatic pairing; Polynomial rooting; Direction of arrival (DOA); Electromagnetic vector sensor; Uniform linear array (ULA)

外文摘要：A new polynomial-rooting-based algorithm with two parallel uniform linear arrays of dipole-triads is proposed for estimating two dimensional (2-D) Directions of arrival (DOAs) of multiple source signals. The proposed algorithm derives the direction cosine estimates along x-axis and y-axis, successively, from polynomial roots and eigenvectors associated with the roots. When the inter-vector sensor spacing exceeds a half-wavelength, the derived direction cosine estimates are ambiguous. Fortunately, the eigenvectors can also be straightforwardly used to yield dipole-triad's manifold estimates, thus the ambiguities can be resolved using the manifold estimates. Unlike other existing ESPRIT-based algorithm, our algorithm can achieve automatic pairing without any additional processing. Numerical examples are presented to verify the effectiveness of the proposed method.