G - Physics – 09 – B
Patent
G - Physics
09
B
354/2
G09B 9/54 (2006.01) G01S 7/40 (2006.01)
Patent
CA 1131780
ABSTRACT RADAR SIGNAL SIMULATOR There is a need for apparatus which simulates signals received by a Radar antenna. Such apparatus is needed for testing Radar equipment and for training purposes. Hitherto such signals have not looked very "real" when displayed on the Radar screen. The invention is believed to meet this problem. The invention provides two stores which hold respectively the horizontal and vertical polar diagram characteristics of an antenna The appropriate values are read out of these stores by signals representing the azimuth and elevation angles of an immaginary target and the antenna (which may be real or imaginary). The outputs from the stores are combined to give a realistic simulated signal. The polar diagram characteristics of an antenna may be different for transmission and reception. To take this into account each store may be provided in duplicate andthe outputs from all four stores combined to produce the simulated signal. .
345661
Kirby Eades Gale Baker
Marconi Company Limited (the)
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