A Sparse Representation Method for Coherent Sources Angle Estimation with Uniform Circular Array
Joint Authors
Su, Xiaolong
Liu, Zhen
Liu, Tianpeng
Peng, Bo
Chen, Xin
Li, Xiang
Source
International Journal of Antennas and Propagation
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-10-13
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
Coherent source localization is a common problem in signal processing.
In this paper, a sparse representation method is considered to deal with two-dimensional (2D) direction of arrival (DOA) estimation for coherent sources with a uniform circular array (UCA).
Considering that objective function requires sparsity in the spatial dimension but does not require sparsity in time, singular value decomposition (SVD) is employed to reduce computational complexity and ℓ2 norm is utilized to renew objective function.
After the new objective function is constructed to evaluate residual and sparsity, a second-order cone (SOC) programming is employed to solve convex optimization problem and obtain 2D spatial spectrum.
Simulations show that the proposed method can deal with the case of coherent source localization, which has higher resolution than 2D MUSIC method and does not need to estimate the number of coherent sources in advance.
American Psychological Association (APA)
Su, Xiaolong& Liu, Zhen& Liu, Tianpeng& Peng, Bo& Chen, Xin& Li, Xiang. 2019. A Sparse Representation Method for Coherent Sources Angle Estimation with Uniform Circular Array. International Journal of Antennas and Propagation،Vol. 2019, no. 2019, pp.1-9.
https://search.emarefa.net/detail/BIM-1157366
Modern Language Association (MLA)
Su, Xiaolong…[et al.]. A Sparse Representation Method for Coherent Sources Angle Estimation with Uniform Circular Array. International Journal of Antennas and Propagation No. 2019 (2019), pp.1-9.
https://search.emarefa.net/detail/BIM-1157366
American Medical Association (AMA)
Su, Xiaolong& Liu, Zhen& Liu, Tianpeng& Peng, Bo& Chen, Xin& Li, Xiang. A Sparse Representation Method for Coherent Sources Angle Estimation with Uniform Circular Array. International Journal of Antennas and Propagation. 2019. Vol. 2019, no. 2019, pp.1-9.
https://search.emarefa.net/detail/BIM-1157366
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1157366