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Robust DOA estimation for coherent signals based on modified MUSIC algorithm

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3 Author(s)
Yongmei Sun ; School of Electric and Information Engineering, Dalian Jiaotong University, Dalian, China ; Yuanyuan Kan ; Wei Zhao

Multiple Signal Classification (MUSIC) method is an important method of Direction of Arrival (DOA). Under the impulse noise environment, the performance of the conventional MUSIC method for coherent signals will degenerate seriously. Based on the characteristics of impulse noises and the fractional lower order statistics, two modified MUSIC algorithms of DOA estimation based on nonlinear preprocessing and spatial smoothing technology are proposed. Simulation results show that the novel algorithms both have excellent performance in Gaussian and impulse noise environments.

Published in:

Intelligent Control and Information Processing (ICICIP), 2012 Third International Conference on

Date of Conference:

15-17 July 2012