Lin Song
Abstract
Simply introducing the important function of terrain datrm data base on terrain assistance navigation system(TAN system);the basic concept of terrain datum data base and the way of establishment are introduced.One kind of terrain datum data base is discussed,its data base form and accuracy are also given.
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Simply introducing the important function of terrain datrm data base on terrain assistance navigation system(TAN system);the basic concept of terrain datum data base and the way of establishment are introduced.One kind of terrain datum data base is discussed,its data base form and accuracy are also given.
Key concepts: Terrain, Geodetic datum, Base (topology), Geodesy, Function (biology), Computer science, Remote sensing, Geology