LIU Tingting, XIAO Ling. About the Ambiguities in DOA Estimation[J]. Chinese Journal of Electronics, 2010, 19(4): 747-751.
Citation: LIU Tingting, XIAO Ling. About the Ambiguities in DOA Estimation[J]. Chinese Journal of Electronics, 2010, 19(4): 747-751.

About the Ambiguities in DOA Estimation

  • Received Date: 2008-12-01
  • Rev Recd Date: 2009-05-01
  • Publish Date: 2010-11-25
  • Ambiguous set calculation has been paidmuch attention in signal processing related areas. Existingconstructing methods can only get one type of ambiguoussets. In this paper, an iterative numerical method isproposed to obtain the nearby ambiguous sets from an arbitraryinitial value. Furthermore, for linear array withsome symmetric sensors, a combination method based onthe non-uniform partition of the array manifold is also suggestedto get ambiguous sets. Representative examples arepresented to show the effectiveness of the proposed methods.In addition, the case of non-uniform basic set hasbeen found for non-symmetric array from the examples.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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