将地形作为模拟模型具体考虑的一个因素，对重新分类的气候区进行二次植被模拟。
Then, it simulates the types of desert vegetation in the reclassified climatic zones with landform as a factor once again.
本文着重介绍在遥感影象分类中应用数字地面模型（DTM）改正地物反射光谱中地形影响的方法和试验。
In this paper the methods and experiments for applying the digital terrain model(DTM) to improve the classification accuracy are introduced.
在地形复杂地区，采用传统的遥感分类方法进行土地利用遥感分类很难获得理想的精度。
The land use classification accuracy is usually unsatisfactory in the complicated terrain area when the traditional methods are used.
由于黄土高原地区地形复杂，在坡耕地遥感调查中单纯采用监督分类法很难获得理想的精度。
The classification accuracy is unsatisfactory in the complicated terrain area of the Loess Plateau when the single supervised classification is used in the remote sensing investigation of slope field.
从地图符号的本质和特征入手，根据具体应用把海岸带地形图符号进行分类和数据分层。
Beginning with the nature and character of map symbols, it classifies coastal zone topographic map symbols and data according to the actual application.
采用1：25万地形数据与RS分类图配合形成三维立体森林景观。
This study adopts 1:250 thousand scale image and RS classification map to set up forest landscape.
通过提取对象的颜色、形状和近邻关系等特征，建立分类标准，实现地形图的自动分层。
And a set of features combining color, shape and topological are extracted from each object. Based on the features, a classification criterion is employed to perform the map segmentation.
在对城市景观主要建模对象进行分类的基础上，建立了三维空间数据结构，实现了地形和地物模型三维重建的系列算法。
Based on the classification of the primary modeling objects in the city scene, we separately rebuild the model of the terrain and objects according to the 3d spatial data structure.
在对城市景观主要建模对象进行分类的基础上，建立了三维空间数据结构，实现了地形和地物模型三维重建的系列算法。
Based on the classification of the primary modeling objects in the city scene, we separately rebuild the model of the terrain and objects according to the 3d spatial data structure.
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