Direction-of-Arrival Estimation Algorithm for Coherent Sources Based on a Vertical VectorSensor Array

doi:10.3969/j.issn.1000-1093.2012.05.017

Abstract

Abstract: In order to get the spatial direction-of-arrival estimation of coherent sources, computed angle-of-arrival transient imaging (CAATI) algorithm was introduced in the vector sensor array, and CAATI algorithm using a vertical vector sensor array was proposed. It not only has the advantages of small number of snapshots, less computation and high estimation accuracy, but also has the capability of a vector sensor which can measure the acoustic pressure and particle velocity simultaneously and colocately, so the spatial direction-of-arrival of the target can be achieved with one dimension line array. The algorithm has better real time capability and lower hardware requirement in the practical application. The performance of the direction-of-arrival estimation was simulated and analyzed. The simulation results show that the proposed method is feasible.

CLC Number:

TB566

BIAN Hong-yu, WANG Jun-lin. Direction-of-Arrival Estimation Algorithm for Coherent Sources Based on a Vertical VectorSensor Array[J]. Acta Armamentarii, 2012, 33(5): 605-610.

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