1992•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access

Acousto-optic signal processors for air defense sensors

Michael C. Zari, Robert J. Berinato, Anthony F. Zwilling, Dennis R. Pape

Abstract

Optical signal processing architectures have been designed which offer potential solutions to Air Defense Initiative (ADI) radar signal processing requirements for low radar cross-section target detection and noncooperative target recognition (NCTR). A rack-mounted engineering development model of a wide-bandwidth acousto-optic correlator has been developed to provide high range resolution for target feature extraction and discrimination. A wideband acousto-optic range-Doppler processor brassboard has also been designed to provide simultaneous high range resolution and Doppler filtering. Design and fabrication of a test radar subsystem is in progress, and will be utilized as an ADI clutter suppression test-bed for integration and testing of the high resolution acousto-optic correlator engineering development model and the acousto-optic range-Doppler processor brassboard. In this paper, the designs and status of the optical processors and test-bed are described.

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Key concepts: Clutter, Computer science, Radar, Automatic target recognition, Wideband, Signal processing, Bandwidth (computing), SIGNAL (programming language)