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Vector Field Smoothing for DOA Estimation of Coherent Underwater Acoustic Signals in Presence of a Reflecting Boundary

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3 Author(s)
Jianwu TAO ; Aviation Univ., Jilin ; Wenxiu Chang ; Wei Cui

A new vector field smoothing algorithm for direction-of-arrival (DOA) estimation of multiple coherent, underwater acoustic signals is proposed based on the array with vector hydrophones, which is located at or near a reflecting boundary. The performance of the proposed algorithm is examined in two practical applications: hull-mounted and seabed array. The advantage of the vector field smoothing scheme is no reduction in the overall array's spatial aperture.

Published in:

Sensors Journal, IEEE  (Volume:7 ,  Issue: 8 )