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[Keyword] CD source(1hit)

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  • Direction Finding of Noncircular Coherently Distributed Sources for Centrosymmetric Array

    Zheng DAI  Weimin SU  Hong GU  

     
    LETTER-Digital Signal Processing

      Vol:
    E100-A No:2
      Page(s):
    722-725

    In this letter, we propose an algorithm for the 2-dimensional (2D) direction of arrival (DOA) estimation of noncircular coherently distributed (CD) sources using the centrosymmetric array. For a centrosymmetric array, we prove that the angular signal distributed weight (ASDW) vector of the CD source has a symmetric structure. To estimate azimuth and elevation angle, we perform a 2D searching based on generalized ESPRIT algorithm. The significant superiority of the proposed algorithm is that, the 2D central directions of CD sources can be found independently of deterministic angular distributed function (DADF). Simulations results verify the efficacy of the proposed algorithm.