DOA Estimation of Coherently Distributed Sources Using Three Dimensional Array
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1.School of Information Engineering, The City Vocational College of Jiangsu,Xuzhou,221006,China;2.School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing,210094,China

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TP391;TP311

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    Abstract:

    We consider the two?dimensional (2D) central direction of arrival (DOA) estimation of coherently distributed (CD) source. Making use of the symmetric property of the three?axis crossed array, the rooting method and the generalized ESPRIT algorithm are applied to estimate the central elevation angle and central azimuth angle of the CD source, respectively. The proposed algorithm estimates the 2D DOA independently of deterministic angular distribution function of the distributed source, and requires only one dimensional search. Moreover, the high estimation accuracy is obtained with the help of noncircular signal. Computer simulations show the efficiency of the proposed algorithm.

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Song Guoqing, Dai Zheng, Su Weimin. DOA Estimation of Coherently Distributed Sources Using Three Dimensional Array[J].,2019,34(3):509-516.

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History
  • Received:September 13,2018
  • Revised:April 22,2019
  • Adopted:
  • Online: June 12,2019
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