Accession Number : ADD002136
Title : Radar Adaptive Video Processor.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C
Personal Author(s) : MacArthur,John L ; Raff,Barry E
Report Date : 24 Sep 1974
Pagination or Media Count : 11
Abstract : The patent relates to adaptive thresholding to enhance target detections in the presence of clutter. A closed loop feedback system functions to maintain an average constant false alarm probability within three range intervals. Radar video signals are sampled, then compared with a thresholding signal comprised of a constant plus the feedback signal. Average constant false alarm probability is maintained by forcing the signal to a constant duty factor by use of pulse stretching. The feedback signal is filtered over the range intervals to adjust for range variations in clutter density.
Descriptors : *Signal processing, *Patents, Adaptive systems, Video signals, Radar signals, Target detection, Closed loop systems, Feedback, Threshold effects
Subject Categories : Active & Passive Radar Detection & Equipment
Distribution Statement : APPROVED FOR PUBLIC RELEASE