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Model-based space-time adaptive processing for active sonar

Publication ,  Journal Article
Varadarajan, V; Krolik, J
Published in: Conference Record - Asilomar Conference on Signals, Systems and Computers
December 1, 2004

In this paper, the problem of partially adaptive space-time adaptive processing (STAP) for towed active sonar arrays operating in a strong reverberation environment under extremely snapshot deficient conditions is considered. In particular, we propose a robust STAP technique which incorporates a physical model for the space-time structure of the received reverberation across range, in order to form a model-based covariance matrix, used to regularize the sample covariance matrix while computing the adaptive weights. Simulation as well as real data results using a bistatic towed active sonar array are presented which demonstrate the improved detection performance obtained using our technique compared to conventional space-time processing and other partially adaptive schemes. © 2004 IEEE.

Duke Scholars

Published In

Conference Record - Asilomar Conference on Signals, Systems and Computers

ISSN

1058-6393

Publication Date

December 1, 2004

Volume

2

Start / End Page

1431 / 1435
 

Citation

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Varadarajan, V., & Krolik, J. (2004). Model-based space-time adaptive processing for active sonar. Conference Record - Asilomar Conference on Signals, Systems and Computers, 2, 1431–1435.
Varadarajan, V., and J. Krolik. “Model-based space-time adaptive processing for active sonar.” Conference Record - Asilomar Conference on Signals, Systems and Computers 2 (December 1, 2004): 1431–35.
Varadarajan V, Krolik J. Model-based space-time adaptive processing for active sonar. Conference Record - Asilomar Conference on Signals, Systems and Computers. 2004 Dec 1;2:1431–5.
Varadarajan, V., and J. Krolik. “Model-based space-time adaptive processing for active sonar.” Conference Record - Asilomar Conference on Signals, Systems and Computers, vol. 2, Dec. 2004, pp. 1431–35.
Varadarajan V, Krolik J. Model-based space-time adaptive processing for active sonar. Conference Record - Asilomar Conference on Signals, Systems and Computers. 2004 Dec 1;2:1431–1435.

Published In

Conference Record - Asilomar Conference on Signals, Systems and Computers

ISSN

1058-6393

Publication Date

December 1, 2004

Volume

2

Start / End Page

1431 / 1435