吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (增刊1): 154-159.

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Quaternion application in parameters estimation of uniform circular vector-sensor array signal

KANG Xiao-tao1, WANG Zhi-yang1, KANG Bo-yu2, LI Jing-jing1, SHI Yao-wu1   

  1. 1. College of Communication Engineering, Jilin University, Changchun 130022, China;
    2. College of Management, Shanghai University of Engineering Science, Shanghai 201620, China
  • Received:2012-05-25 Published:2013-06-01

Abstract:

Four dimensional super plural structure of a quaternion is an orthogonal structure,which can keep the inherent orthogonality of each vector sensor component, and improve anti-interference ability and discrimination of the vector sensor array.Quaternion theory was applied into parameter estimation of uniform circular vector of array signals,the electromagnetic vector sensor array receiving signal model was established based on quaternion,and joint estimation of the electromagnetic vector sensor array signal's DOA and polarization information using quaternion's multidimensional orthogonal properties and the matrix theory combining with existing algorithm were realized.Simulation results show the effectiveness of the method.Compared with V-MUSIC,the quaternion model can obviously increase the signal parameter precision.

Key words: electromagnetic vector sensor, quaternion, polarization information, DOA, vector-sensor array

CLC Number: 

  • TN 911.7

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