Recently, sparse arrays are widely studied for circular signals, but the characteristics of non-circular signals are rarely considered in array design. Besides, mutual coupling effect between elements cannot be ignore...
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ISBN:
(纸本)9781946815101
Recently, sparse arrays are widely studied for circular signals, but the characteristics of non-circular signals are rarely considered in array design. Besides, mutual coupling effect between elements cannot be ignored. A new padded array configuration is designed for non-circular signals in this paper. Simulation results show that the proposed geometry provide better accuracy for DOA estimation in the presence of unknown mutual coupling while preserving high degrees of freedom.
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