Blind 2D-DOA estimation for uniform circular array

被引：0
|
作者：
Zhang Xiaofei [1 ]
Shi Ying [1 ]
Zhao Ruina [2 ]
Lv Wen [2 ]
Xu Dazhuan [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Dept Elect Engn, Nanjing 210016, Peoples R China
[2] East China Elect Dispatching Ctr, Shanghai 200002, Peoples R China
来源：
IEEE 2007 INTERNATIONAL SYMPOSIUM ON MICROWAVE, ANTENNA, PROPAGATION AND EMC TECHNOLOGIES FOR WIRELESS COMMUNICATIONS, VOLS I AND II | 2007年
关键词：
DOA estimation; array signal processing; trilinear model; uniform circular array;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A novel blind 2D-DOA estimation method in the uniform circular array based on parallel factor analysis is presented in this paper. Oversampled signal of array antennas is processed by fast Fourier transform, and shows that the Fourier transformed signal has trilinear model characteristics. Parallel factor analysis-based DOA estimation algorithm for the uniform circular array is proposed. This algorithm uses the trilinear decomposition to estimate the direction matrix, and employs the direction matrix characteristics and least squares principle to estimate the DOAs. The simulation results reveal that this algorithm has the better DOA estimation performance, and it works well in the small sampling.
引用
收藏
页码：589 / +
页数：2
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