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Multi-hop processing for OTHR range extension

Award Information
Agency: Department of Defense
Branch: National Geospatial-Intelligence Agency
Contract: HM047619C0090
Agency Tracking Number: NGA-P1-19-27
Amount: $99,986.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: NGA191-011
Solicitation Number: 19.1
Solicitation Year: 2019
Award Year: 2019
Award Start Date (Proposal Award Date): 2019-08-28
Award End Date (Contract End Date): 2020-06-08
Small Business Information
325 Bob Heath Drive
Huntsville, AL 35806
United States
DUNS: 121016096
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Geoff Pendleton
 Principal Investigator
 (256) 489-6193
Business Contact
 Debbie Agarwal
Phone: (256) 489-6193
Research Institution

The development of sophisticated anti-access/area denial (A2/AD) capabilities by our adversaries requires us to develop long range capabilities to mitigate this A2/AD threat. Extending the range of Over The Horizon Radars beyond their conventional single hop operating mode will potentially provide coverage out to 10000 km and beyond. We propose combining existing state-of-the art HF radar ray propagation, ionosphere, and surface terrain models with proven detector response matrix and data inversion techniques to accurately detect and calculate RCS for moving targets against the stationary background. The detector response matrix solution will characterize the effects of confusers and range ambiguity on radar performance using high fidelity physically rigorous simulations. The detector response matrix solution has been applied successfully in gamma-ray astrophysics for decades. What is new and unique here is combining the detector response matrix technique from astrophysics with state of the art radar environment modeling simulations to develop the HF-OTHR multi-hop capability. This approach provides detection, tracking, and discrimination capability for HF-OTHR systems out to ranges that will provide sensor coverage to support mitigation strategies for the A2/AD threat.

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

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