digital terrain model dtm 中文意思是什麼
digital terrain model dtm
解釋
數字地形模型-
Gis ( geographic information systems ) is a computer system with collecting, checking, intergreting and analysing information which is related with interface of earth. digital terrain model display two demission geographic position and relational properts information with digital pattern. dtm is an important component of gis, and is basic of " digital earth "
數字地面模型( digitalterrainmodel , dtm )是地表二維地理空間位置和其相關的地表屬性信息的數字化表現,是地理信息系統( geographicinformationsystem , gis )的重要組成部分,是數字地球的基礎。 -
Making full use of the correlated space information of multi - beam bathymetric data, the author put forward a method of gaussian surface approximation to build the grid net of regular digital terrain model ( dtm ) of surveyed seafloor, which is more accurate than other approximation methods
本文充分利用了多波束數據的空間相關信息,提出了一種基於高斯地形曲面擬合的數字地理模型數據網格化方法,準確快速地得到標準等深線圖。
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