Education and demonstration – Detection or range determination of distant object by... – Radar
Patent
1984-09-21
1987-10-27
Tubbesing, T. H.
Education and demonstration
Detection or range determination of distant object by...
Radar
G09B 900
Patent
active
047026987
ABSTRACT:
A radar return image for display on a cockpit CRT is generated by selectively accessing terrain data compressed and stored in a digital map data base and processing that data to artificially simulate a radar return image pattern on a cockpit display which effectively corresponds that which would otherwise be provided by conventional T/R equipment. Since the compressed data base contains information representative of both the elevation and cultural features of the terrain at map locations that are capable of being intercepted by the aircraft's radar beam, this data may be subjected to signal processing functions to establish pixel intensity control signals by way of which a radar image of a cockpit CRT display is generated. This signal processing and control system includes system functional components for establishing the simulation of the effect of a radar beam having a prescribed beam width, slant-angle, and field of scan and controllably accessing the stored terrain map data from memory for establishing a pixel display data base in accordance with which the pixels of the cockpit radar display are intensity-modulated.
REFERENCES:
patent: 4002827 (1977-01-01), Nevin et al.
patent: 4085524 (1978-04-01), Meyer
patent: 4224669 (1980-09-01), Brame
patent: 4347511 (1982-08-01), Hofmann et al.
patent: 4360876 (1982-11-01), Girault et al.
patent: 4412220 (1983-10-01), Aanstoot et al.
Beckwith Paul B.
Bistarkey Donald S.
Pohedra Joseph J.
Trimble Donald E.
Harris Corporation
Hellner Mark
Tubbesing T. H.
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