Single Snapshot 2D-DOA Estimation in Impulsive Noise Environment using Linear Arrays
Keywords:
2D-DOA, basis selection, linear array, single snapshot, support vector regressionAbstract
This paper considers single snapshot two dimensional direction-of-arrival (2D-DOA) estimation in impulsive noise environment employing linear arrays. 2D-DOA estimation is realized in two steps. Firstly, the 2D-DOA estimation problem is decomposed into two independent one dimensional direction-of-arrival (1D-DOA) estimation problems. The 1D-DOA estimation is derived using the support vector regression based basis selection algorithm. Secondly, an over-complete dictionary is designed based on amplitude information of sources, and angle pairing is accomplished in perspective of basis selection. Validity and advantages of the proposed algorithm are shown through computer simulations
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