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Array Extension Method Based on Non-circular Signal
Received date: 2013-04-14
Online published: 2025-05-30
A sparse decomposition method was proposed to estimate direction of arrival (DOA) problem of non-circular sources. Firstly, a new output of extended array was concatenated with their conjugate component according to the properties of real value of non-circular signals. After that, select the first of the extended array as sparse decomposition vectors and create over-complete dictionary with extended steering vectors, a sparse DOA estimation model was constructed. The simulation results show feasibility and effectiveness of this method.
WU Chenxi , ZHANG Min , WANG Hongjun , LI Xinhao . Array Extension Method Based on Non-circular Signal[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2014 , 34(5) : 165 -168 . DOI: 10.15892/j.cnki.djzdxb.2014.05.041
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