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Proceedings Paper

Acousto-optic processor for jammer suppression in land-based radars
Author(s): Michael E. Turbyfill; Jeffrey M. Lutsko; Ernst K. Walge; Robert J. Berinato; Mervin C. Budge
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Paper Abstract

This paper provides radar test results of an optical processor for sidelobe jamming reduction. Using a Rome Laboratory C-Band phase array radar and jammer testbed, numerous realistic test scenarios were performed. These tests were conducted with the radar in a receive-only mode, with target and jammer signals provided externally. The sum beam from the C-band array served as the main channel input to the adaptive canceller, and one of eight subarrays provided the auxiliary channel. Targets and jammers consisted of both barrage noise and pulsed continuous tone signals produced by stationary jamming and target sources located in the far field of the phase array radar. Closed loop testing, sidelobe jamming reduction, and multipath signal considerations were all integral parts of the test scenarios. The processor is designed to cancel 10 MHz wide bandwidth jamming signals and to work at the radar intermediate frequency of 80 MHz. A processor overview, cancellation results for a variety of test conditions, and future hardware enhancements and test plans will be summarized.

Paper Details

Date Published: 17 June 1996
PDF: 12 pages
Proc. SPIE 2747, Radar Sensor Technology, (17 June 1996); doi: 10.1117/12.243067
Show Author Affiliations
Michael E. Turbyfill, Rome Lab. (United States)
Jeffrey M. Lutsko, Rome Lab. (United States)
Ernst K. Walge, Rome Lab. (United States)
Robert J. Berinato, Dynetics, Inc. (United States)
Mervin C. Budge, Dynetics, Inc. (United States)

Published in SPIE Proceedings Vol. 2747:
Radar Sensor Technology
Gerald S. Ustach, Editor(s)

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