1976-07-26
1978-01-31
Hubler, Malcolm F.
G01S 900
Patent
active
040707695
ABSTRACT:
Apparatus is disclosed which generates simulated radar target signal returns that are input to radar equipment to test the equipment and to train radar operators. A small number of individual simulated radar target signal scenarios are provided which are easily selectively combined to provide a large plurality of training scenarios on a radar display. The equipment provides such features as multiple aircraft display, terrain masking, variable target size, range gate splitting, identification friend or foe, and ambiguity checking. The radar signal generator apparatus utilizes a stored binary data word representing each simulated radar target trace and each data word contains bit fields for each of the above target features as well as the simulated target position on the radar display indicator. A single counter driven by the radar system clock is used to generate binary numbers that are compared to the target position information of each stored target data word. Upon a comparison match the radar display writing beam is intensified to trace the simulated radar target with the trace width specified by the appropriate bit field of the associated data word.
REFERENCES:
patent: 3446903 (1969-05-01), Bezzer
patent: 3514521 (1970-05-01), Burchard et al.
patent: 3571479 (1971-03-01), Horattas et al.
patent: 3573339 (1971-04-01), Flower et al.
patent: 3783172 (1974-01-01), Bernstein
Etlinger Louis
Funk Joseph E.
Hubler Malcolm F.
Sanders Associates Inc.
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