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WAVEFORM DESIGN TO DEFEAT INTERCEPT/IDENTIFICATION

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N/A
Agency Tracking Number: 10078
Amount: $56,320.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1989
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
8027 Leesburg Pike - Ste 201
Vienna, VA 22182
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Dr Clarence H Stewart
 (703) 893-0686
Business Contact
Phone: () -
Research Institution
N/A
Abstract

CURRENT, UBIQUITOUS TIME-OF-ARRIVAL (TOA) BASED INTERCEPT RECEIVER PROCESSING CAN BE EASILY DEFEATED BY RANDOMIZING THE RADAR PRI. CURRENTLY DEPLOYED SYSTEMS ALL EMPLOY SOME FORM OF (RELATIVELY) NARROW BANDWIDTH SUPERHETERODYNE-BASED INTERFEROMETER AS THE BASIC INTERCEPT RECEIVER ARCHIETECTURE; ADDITION OF PULSE-TO-PULSE RANDOM FREQUENCY AGILITY WILL FURTHER DEGRADE THE INTERCEPT CAPABILITY. USE OF A RADAR WAVEFORM WITH PSEUDORANDOM TIME AND (PULSE-TO-PULSE) FREQUENCY AGILITIES WILL EFFECTIVELY DENSY INTERCEPT TO THE NARROW BANDWIDTH SUPERHETERODYNE CLASS OF RECEIVER; THERE WOULD BE A LARGE SCAN-ON-SCAN REDUCTION IN PROBABILITY OF INTERCEPT (POI) IN BOTH THE FREQUENCY AND TEMPORAL DIMENSIONS. NEW INITIATIVES IN INTERCEPT RECEIVER DEVELOPMENT INCLUDE WIDE BANDWIDTH (2,000 MHZ) PARALLEL PROCESSING CHANNELIZERS WITH OPTIONAL COLLECTION MODES WHICH CAN PRODUCE UP TO 50 DB OF PROCESSING GAIN. THE DESIGN OF A RADAR WAVEFORM (MODEL) WHICH CAN DEFEAT A TRULY MODERN INTERCEPT RECEIVER WHILE MAINTAINING TARGET ACQUISITION/TRACKING PERFORMANCE REQUIRES INDEPTH UNDERSTANDIG OF RADAR SYSTEMS AND CURRENT INTERCEPT SYSTEMS; PRI HAS THIS EXPERIENCE AND CAPABILITY.

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

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