Westinghouse Electric Corporation

Harry S Goedeke

Elbert L Cole, Jr

Michael J Ransford

Steven D Mirra

A defruiter for filtering fruit replies from a reply data signal in a radar system. The defruiter includes a window memory, a main memory, a counter and a main defruiter. Another version of the defruiter includes the items listed above and, additonally, a data memory and a buffer. The window memory stores reply data for a number of range intervals and a number of pulse repetition times. The main memory provides and receives reply data to and from, respectively, the window memory. The counter determines the number of replies occurring in a number of range intervals and a number of pulse repetition times. The main defruiter allows reply data to be provided to a data processor of the radar system when a reply occurs in the center part of the window memory and when the number of replies determined by the counter is greater than or equal to a window parameter. The number of fruit replies occuring within the reply data supplied to the data processor of the radar system is therefore reduced. The defruiter also provides near miss processing capability is mode-4 for filtering fruit near miss replies from a reply data signal.

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Baltimore, MD, United States of America

Harry S Goedeke