atran


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atran

[′ā‚tran]
(navigation)
An acronym for automatic terrain recognition and navigation, a system which depends upon the correlation of terrain images appearing on a radar cathode-ray tube with previously prepared maps or simulated radar images of the terrain.
References in periodicals archive ?
ATRAN terrain sensing guidance--the grand-daddy system.
extraction of facts from press releases related to company and financial information in systems like ATRANS (Lytinen & Gershman, 1986), SCISOR (Jacobs & Rau, 1990), JASPER (Andersen, et al.
ATRANS (Lytinen & Gershman, 1986), another IE system, was soon developed and commercially applied.