Single Channel Acoustic Broad Band Classification

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N/A
Agency Tracking Number: 32743
Amount: $70,203.00
Phase: Phase I
Program: SBIR
Awards Year: 1996
Solitcitation Year: N/A
Solitcitation Topic Code: N/A
Solitcitation Number: N/A
Small Business Information
Visidyne, Inc.
299 Cherry Hill Road Suite 104, Parsippany, NJ, 07054
Duns: N/A
Hubzone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Peter Hirsch
 (201) 299-9004
Business Contact
Phone: () -
Research Institution
Visidyne has discovered a now approach to determining whether or not an acoustic contact is submerged. Our approach has distinct advantages over previous methods; these add up, ultimately, to a higher degree of automation (at equal or better performance) and therefore a reduction in the cost of passive sonar. Our proposed work depends on the certain features of the amplitude modulation of ocean acoustic signals. It has long been known that such modulation exists -- multipath fluctuation is the usual example but it has not been suspected that it can be useful. Visidyne has discovered the opposite: the modulation contains much useful information. Our methods have been (successfully) demonstrated on SURTASS data using parameters appropriate to surveillance time scales. The ex- tension to tactical time scales, with significantly reduced time- late, requires further innovation, adaptation and development, as proposed here.

* information listed above is at the time of submission.

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