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Volume 33 Issue 1
Feb.  2011
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Li Jing-Shu, Tao Jian-Wu. The Dimension Reduction Quaternion MUSIC Algorithm for Jointly Estimating DOA and Polarization[J]. Journal of Electronics & Information Technology, 2011, 33(1): 106-111. doi: 10.3724/SP.J.1146.2010.00242
Citation: Li Jing-Shu, Tao Jian-Wu. The Dimension Reduction Quaternion MUSIC Algorithm for Jointly Estimating DOA and Polarization[J]. Journal of Electronics & Information Technology, 2011, 33(1): 106-111. doi: 10.3724/SP.J.1146.2010.00242

The Dimension Reduction Quaternion MUSIC Algorithm for Jointly Estimating DOA and Polarization

doi: 10.3724/SP.J.1146.2010.00242
  • Received Date: 2010-03-15
  • Rev Recd Date: 2010-08-23
  • Publish Date: 2011-01-19
  • Based on simplified electromagnetic vector-sensor array, a new Dimension Reduction Quaternion MUSIC (DR-QMUSIC) algorithm is proposed. In this paper, the quaternion algebra is first introduced since the orthogonality of quaternion is suitable for describing the orthogonal structure of electromagnetic vector-sensor very well. Then, the quaternion model of simplified electromagnetic vector-sensor array is established, and the DOA of polarized signals is estimated by employing the DR-QMUSIC algorithm. Inserting the estimated DOA into the traditional V-MUSIC algorithm, the polarization parameters of polarized signals are estimated. Thus, four unknown parameters of polarized signals are obtained. The simulation experiments are given to validate the proposed algorithm.
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