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Volume 29 Issue 11
Jan.  2011
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Huang Jia-cai, Shi Yao-wu, Tao Jian-wu. A new Method for Range and DOA Estimation of Near-Field Sources[J]. Journal of Electronics & Information Technology, 2007, 29(11): 2738-2742. doi: 10.3724/SP.J.1146.2006.00633
Citation: Huang Jia-cai, Shi Yao-wu, Tao Jian-wu. A new Method for Range and DOA Estimation of Near-Field Sources[J]. Journal of Electronics & Information Technology, 2007, 29(11): 2738-2742. doi: 10.3724/SP.J.1146.2006.00633

A new Method for Range and DOA Estimation of Near-Field Sources

doi: 10.3724/SP.J.1146.2006.00633
  • Received Date: 2006-05-11
  • Rev Recd Date: 2006-10-16
  • Publish Date: 2007-11-19
  • A new method based on third-order cyclic moment is presented for joint estimation of Directions-Of-Arrival (DOAs) and range of near-field sources. By exploiting the cyclostationarity and space-time information of the signals, the parameters are directly given by the eigendecomposition of certain constructed DOA-matrix. Compared with several existing approaches, the loss of array aperture is voided since the proposed method doesnt need a symmetrical array. Moreover, the proposed method can effectively suppress the additive stationary noises with any distribution and interfering signals with different cyclic frequency, and the parameters match automatically in the process. Some numerical simulations illustrate the effectiveness of the proposed algorithm.
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