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Volume 32 Issue 4
Dec.  2010
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Song Hai-yan, Piao Sheng-chun. DOA Estimation Method Based on Orthogonal Joint Diagonalization of High-order Cumulant[J]. Journal of Electronics & Information Technology, 2010, 32(4): 967-972. doi: 10.3724/SP.J.1146.2008.01176
Citation: Song Hai-yan, Piao Sheng-chun. DOA Estimation Method Based on Orthogonal Joint Diagonalization of High-order Cumulant[J]. Journal of Electronics & Information Technology, 2010, 32(4): 967-972. doi: 10.3724/SP.J.1146.2008.01176

DOA Estimation Method Based on Orthogonal Joint Diagonalization of High-order Cumulant

doi: 10.3724/SP.J.1146.2008.01176
  • Received Date: 2008-09-22
  • Rev Recd Date: 2009-12-18
  • Publish Date: 2010-04-19
  • A new DOA estimation method based on orthogonal joint diagonalization of high-order cumulant is proposed. The high-order cumulant matrices are jointly utilized to DOA. Through processing high-order cumulant matrices by the new technique of orthogonal joint diagonalization, the spatial spectrum can be defined by both joint diagonalization matrix and a set of diagonal matrices. This method is also proved to process the coherent sources, and can be used in the colored noise environment. Compared to cumulant-based method using single high-order cumulant matrix, the proposed method has the higher resolution, lower RMSE and stronger robust.
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