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| A Novel Generalized Correntropy Based Method for Direction of Arrival Estimation in Symmetric Alpha Stable Noise Environments |
| WANG Peng① QIU Tianshuang① REN Fuquan① LI Jingchun② TAN Haifeng②③ |
①(Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116024, China)
②(State Radio Monitoring Center, Beijing 100037, China)
③(School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China) |
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Abstract To overcome the limitation that the alpha stable distributed variable possesses infinite second-order moment, a novel generalized correntropy is defined and the bounded property of the generalized correntropy for the symmetric alpha stable variable is proved. Furthermore, a novel minimum generalized correntropy criterion based DOA estimation method for impulsive noise is proposed, and an iterative optimization algorithm is presented, the convergence of which is analyzed by simulation experiments. The simulation results demonstrate that the proposed method can get better estimation results than the fractional lower order moments based FLOM-MUSIC, the correntropy-like based CRCO-MUSIC and the lp norm based ACO-MUSIC methods, especially in the highly impulsive noise environments.
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Received: 03 November 2015
Published: 09 May 2016
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| Fund: The National Natural Science Foundation of China (61139001, 61172108, 81241059) |
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Corresponding Authors:
QIU Tianshuang
E-mail: qiutsh@dlut.edu.cn
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