Underwater target direction of arrival estimation by small acoustic sensor array based on sparse Bayesian learning

• Autorzy: Biao W. , Cheng H.
• Języki publikacji: EN

Abstrakty

EN

Assuming independently but identically distributed sources, the traditional DOA (direction of arrival) estimation method of underwater acoustic target normally has poor estimation performance and provides inaccurate estimation results. To solve this problem, a new high-accuracy DOA algorithm based on sparse Bayesian learning algorithm is proposed in terms of temporally correlated source vectors. In novel method, we regarded underwater acoustic source as a first-order auto-regressive process. And then we used the new algorithm of multi-vector SBL to reconstruct the signal spatial spectrum. Then we used the CS-MMV model to estimate the DOA. The experiment results have shown the novel algorithm has a higher spatial resolution and estimation accuracy than other DOA algorithms in the cases of less array element space and less snapshots

• Wydawca: -
• Czasopismo: Polish Maritime Research
• Rocznik: 2017
• Tom: 24
• Numer: Special Issue S2
• Opis fizyczny: p.95-102,fig.,ref.

Twórcy

autor

Biao W.

• School of Electronic and Information, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu Prov., 212003, China

autor

Cheng H.

• School of Electronic and Information, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu Prov., China

Bibliografia

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Identyfikatory

DOI

10.1515/pomr-2017-0070