AIR VEHICLE WARNING USING BISTATIC RADAR SOUNDBUDYS

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$487,873.00
Award Year:
1985
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
159
Agency Tracking Number:
159
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
2950 31st Street, Santa Monica, CA, 90405
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
() -
Business Contact:
Nicholas Willis
(301) 565-2970
Research Institution:
n/a
Abstract
A PRINCIPAL LESSON LARNED FROM THE FALKLAND WAR WAS THAT, WITHOUT AIRBORNER RADARS, SHIPBOARD AIR DEFENSED HAD VERY LITTLE WARNING TIME TO REACT TO ATTCK FROM LOW ALTITUDE MISSILES AND AIRCRAFT. A NEW CONCEPT FOR PROVIDING SUCH WARNING USES A NET OF STANDARD NAVY SONDBUOYS, WHICH ARE CONFIGURED AS A BISTATIC RADAR FENCE. THE VHF DATA LINK TRANSMITTER ON EACH SONDBUOY ACTS AS A SEPARATE BISTATIC TRANSMITTER, AND A DATA LINK RECEIVER WITH A SPECIAL PURPOSE DOPPLER PROCESSOR ON THE ASW AIRCRAFT OR SHIP ACTS AS A SINGLE BISTATIC RECEIVER. TARGET AZIMUTH IS PROVIDED BY SIMPLY NOTING ON WHICH SONDBUOY FREQUENCY THE TARGET IS DETECETED. A 120 DEGREE SONDBUOY FENCE WILL CONTAIN 28 SONDBUOYS, SPACED 5 TO 10 NMI APART, LOCATED AS FAR AS 70 NMI FROM THE TASK GROUP. SIMULTANEOUS ASW OPERATIONS AND DETECTION OF VERY LOW CROSS-SECTION TARGETS ARE POSSIBLE WITH THIS CONFIGURATION. PHASE I OBJECTIVES ARE TO ESTABLISH OPTIMUM DEPLOYMENT CONFIGURATIONS AND PERFORMANCE; EVALUATE ECM, WAVE MASKDING AND MULTIPATH EFFECTS; DESIGN THE BISTATIC PROCESSOR; AND PERFORM LABORATORY SPECTRAL PURITYMEASUREMENTS OF SONDBUOY TRANSMITTERS. FOLLOWING RESOLUTION OF THESE CRITICAL ISSUES, PHASE II WILL PERFORM DETAILED SYSTEM DESIGN AND TEST PLANNING, LEADING TO PROCESSOR DEVELOPMENT AND AT-SEA DEMONSTRATIONS.

* information listed above is at the time of submission.

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