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- Analyzing the storage format of DMA DTED and USGS DEM and then presenting a new digital terrain elevation data storage format. 分析了DMA的DTED和USGS的DEM高程数据存储格式，比较了其异同，提出了一种高效的数字地图高程数据的存储格式并实现了存取算法。
- Digital Terrain Elevation Data 数字地形高度数据
- Terrain Elevation Data Compressionfor Low Altitude Penetration System 低空突防用数字地形数据压缩研究
- Digital terrain elevation map 数字高程图
- This paper discussed digital terrain model (DTM) . 论述了地面数字模型DTM(Digital terrain model).
- A method is presented to implement real-time 3D road animation coupled with road design data and digital terrain model(DTM). 研究了一种用数字地面模型和公路设计数据实现实时三维动画的方法。
- Mapping application developers: Combine raster, vector and elevation data to create dynamic moving maps using KineMap digital map software. 数字地图制作工具，将光栅、量和海拔数据生成动态地图。
- Digital Terrain Modeling (DTM) is an important utility of GIS. 数字地形模型是GIS的一个重要应用。
- Firstlythe digital terrain model is constructed using Delaunay triangulation technique, and then the road design data is merged into the DTM. 首先利用Delauany三角化方法构造数字地面模型,然后将公路设计数据与数字地面模型进行叠加。
- The DEM format encodes elevation data to create highly detailed terrains. DEM格式编码高程数据来创建高清晰地形。
- In this paper, the concept of SDTM(Synthetic Digital Terrain Model) as a general condition model of civil engineering design is suggested and the original concept of DTM and DEM (Digital Elevation Model) enlarged. 本文提出了作为工程设计一般条件模型的综合数字地面模型的概念，对原数字地面模型概念进行了拓展。
- Digital Terrain Analysis (DTA) is a topographical information analysis technology to calculate and extract terrain surface parameters and morphological features on Digital Elevation Model(DEM), and the application of DEM is extended by DTA. 数字地形分析(Digital Terrain Analysis，DTA)是在数字高程模型DEM上进行地形属性计算和特征提取的数字地形信息处理技术，是DEM应用范围的拓广和延伸。
- The observed terrain elevation sequence is obtained from the barometer and the radar altimeter,but the low precision of the barometers limited their application on the aircrafts. 实时测量的高程序列由惯导的高度通道和雷达高度表获得,首先对实测的和从电子地图中获得的地形高程序列分别进行零均值化处理,然后再运用相关法进行匹配。
- The achievements of this thesis can besummarized as fOllows:Present a simple description of DTM(Digital Terrain Model) and the technology ofterrain modeling with reguIar and irregular terrain data. 1）在对数字地面模型建模方法进行简要小结的基础上，对基于规则格网和不规则三角网的地形建模技术进行了研究。
- The base data of the quantitative analysis about land feature and the automatic drawing of topographic map is furnished by Digital Terrain Model(DTM),it is the basics of Geography information System(GIS). 数字地面模型为多种地形特征的定量分析与地形图的自动化绘制提供了基本数据，它是建立土建CAD和地理信息系统的基础。
- To achieve precise elevation data, the time-delay was obtained by correlation operation sending wave and receiving wave. 通过发射信号与回波信号进行互相关运算精确捕捉回波信号的到达时刻以实现高程数据的测量。
- The agent in colored obstacle image and binary obstacle image,obtained from real terrain elevation graph,assumes as learning and controlled object,whose control parameters are projected to the lunar rover body coordinate system to control the real rover. 由月球地形高程图得到当地水平面下二色障碍图及着色障碍图,利用月球车代理体在障碍图及着色障碍图中进行避障学习与控制,将获得的控制量投影到月球车体坐标系下得到真实地形上的控制量,达到避障控制与运动规划的目的。
- A method of estabisihing digital terrain models(DTM) with TIN is introduced, and problems during modeling are discussed in the paper. Furthermore,application problems about the hybrid model,as well as the data structure of TIN,are analyzed. 介绍了用不规则三角网(TIN)建立数字地面模型(DTM)的基本思路;讨论了在建模过程中所遇到问题的解决方法;分析了混合模型的应用问题及TIN数据结构.
- In accordance with peculiarity of existing prediction model, the renewal on digital terrain map with large scale is actualized in the current digital mapping system with simplified data processing. 文中针对现有开采沉陷预计模型的特点，以通用数字化成图系统为操作平台，经过简单的数据处理后，实现了矿区大比例尺数字地形图的预测更新。
- The results show that the extracted river system matches well with the natural river system by means of adding the elevation data and digitizing main river with pseudo river. 结果表明,在盆地区域添加能反映微地形变化的数据点,并将河谷中出现伪河道的干流河网数字化,能生成反映流域实际情况的模拟河网。
