Minimization of In-Band Interferers on Airborne Anti-Submarine System Performance

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N68335-19-C-0093
Agency Tracking Number: N182-116-0175
Amount: $124,598.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N182-116
Solicitation Number: 2018.2
Timeline
Solicitation Year: 2018
Award Year: 2019
Award Start Date (Proposal Award Date): 2018-10-19
Award End Date (Contract End Date): 2019-04-15
Small Business Information
P.O. Box 49, Doylestown, PA, 18901
DUNS: 179041470
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Jon Dionne
 (540) 349-8083
 jedionne@rdainc.com
Business Contact
 Richard Dator
Phone: (215) 340-9514
Email: redator@rdainc.com
Research Institution
N/A
Abstract
Airborne ASW systems and sonobuoys operate in selected portions of the acoustic spectrum. Passive and active sensors not only contend with friendly forces operating in-band but must contend with other non-cooperative signals that degrade sensor performance including environmental interference, unintended out of band transmissions from our own sensors, and commercial interference from other sources. The goal of this effort is to define, design and develop sensor-agnostic signal processing techniques to reduce or eliminate in-band interferences that obscure or degrade the performance of passive or active ASW.
The Navy has taken preliminary steps to mitigate such interference in their design of current sonobuoys. These included in-buoy spectral filtering, beamforming, and null-steering. While these do provide some reduction, more is needed to mitigate high energy interferers.
RDA and L3 Adaptive Methods believe viable solutions must include accurate characterization of known and unknown interferers to leverage a priori information, robust algorithms for mitigating such interferers at the individual sonobuoy and sonobuoy field level, and application to a variety of sonobuoy types and platforms for both passive and active ASW capabilities and missions.

* Information listed above is at the time of submission. *

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