Title: Laboratory experiments of time reversed acoustics applied to sonar in shallow water waveguides
Abstract: Active sonar research at the Naval Postgraduate School Advanced Acoustic Research Laboratory (AARL) has focused on real time adaptation of the active sonar transmit signal. Recent work with Time Reversal Acoustics (TRA) has demonstrated the ability of this approach to adapt in real time to complex environments with little knowledge of the environmental parameters. The present work applies TRA techniques to shallow water active sonar to improve target echo SNR. The approach is to conduct scaled laboratory tank experiments of the TRA sonar and compare results to standard matched filter active sonar processing techniques. Results of laboratory TRA sonar experiments will be presented, to include the high SNR case, the effects of increasing noise levels, and the TRA sonar approach as applied to an active barrier concept.
Publication Year: 2001
Publication Date: 2001-11-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 1
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