DOA Estimation for Coexistence of Circular and Non-Circular Signals Based on Atomic Norm Minimization
Liping Teng, Qing Wang, Hua Chen, Wei-Ping Zhu, Wei Liu, Jingjing Cai
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09 Jun 2020
In this paper, a gridless DOA estimation method with coexistence of non-circular and circular signals is proposed by employing an enhanced sparse nested array, whose virtual array has no holes. The virtual signals derived from both sum and difference co-arrays are constructed based on atomic norm minimization. Simulation results are provided to demonstrate the performance of the proposed method.
