Demonstration of a quasi-monostatic autonomous underwater vehicle based high duty cycle active sonar

The feasibility of resolving target returns within receive signals collected by a continuously transmitting quasi-monostatic, broadband, autonomous underwater vehicle (AUV) based sonar is explored. Theoretical studies supported by experimental results suggest that it is possible to capture the sourc...

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Published inThe Journal of the Acoustical Society of America Vol. 145; no. 1; pp. EL90 - EL96
Main Authors Waters, Zachary J., Kost, Jason L., Yoder, Timothy J., Amon, Daniel L., Saniga, Michael L., Berdoz, Alain R., Simpson, Harry J., Houston, Brian H., Gendron, Paul J.
Format Journal Article
LanguageEnglish
Published United States 01.01.2019
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Summary:The feasibility of resolving target returns within receive signals collected by a continuously transmitting quasi-monostatic, broadband, autonomous underwater vehicle (AUV) based sonar is explored. Theoretical studies supported by experimental results suggest that it is possible to capture the source-to-receiver coupling response and target scattering with sufficient fidelity during the continuous transmission to enable detection and (potentially) classification processing. Demonstrations focused upon the detection of a bottomed target object at sea using transmit signals with duty cycles of 60% and 100% indicate that such an approach is feasible for a representative AUV-based side looking sonar system operating in shallow water.
ISSN:0001-4966
1520-8524
DOI:10.1121/1.5088029