Fortune Telling Collection - Zodiac Guide - What geographic information technology does VR need?
What geographic information technology does VR need?
(1) The geographic information technology used by the car navigator is (global positioning system), which includes three parts: (space part, satellite constellation ground control part-ground monitoring system, user equipment part-signal receiver).
(2) If the position of the vehicle is to be determined, at least (3) satellites shall be used.
(3) The system can provide users with accurate three-dimensional coordinates, and "three-dimensional" refers to (longitude, latitude and altitude).
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