Single Channel Acoustic Broad Band Classification

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$70,203.00
Award Year:
1996
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
32743
Agency Tracking Number:
32743
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
299 Cherry Hill Road Suite 104, Parsippany, NJ, 07054
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Peter Hirsch
(201) 299-9004
Business Contact:
() -
Research Institute:
n/a
Abstract
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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