数据质量控制是良好的数字地形图质量的重要保证。
Data quality controlling is a important index for topographic digital map.
本方法选用了简单实用的带状方格网式数字地形模型。
A simple and practical digital topographic model of the band-formed grid method has been chosen.
基于DEM的数字地形分析主要是以对地形因子的分析为基础。
The analysis of terrain factors is the foundation of the digital terrain analysis based on DEM.
鉴于数字地形分析的实用性，本文最后对它的可视化进行了讨论。
At last, we discuss terrain visualization due to the practicability of digital terrain analysis.
本文还研究了通过扫描数字化等高线图建立数字地形模型的方法。
The methods to obtain the Digital Terrain Model (DTM) from contour map by scan digitizing were studied.
主要研究如何在大型动力学软件ADAMS中实现数字地形的构建。
The paper mainly researches how to construct digital terrain in big type mechanical dynamics software ADAMS.
在数字地形图的绘制及编辑过程中，本人发现一些亟待解决的问题。
During the course of plotting and editing the digital topographic maps, some problems come out.
利用数字影像自动提取数字地形模型(dtm)的关键是影像匹配。
Image matching is the key stage for digital Terrain Model (DTM) automatical aquisition using with digital images.
数字地形分析的内容主要包括基本地形因子的计算和地形特征的提取。
We mainly analyse digital terrain, which includes the computation of basic terrain factor and the abstraction of terrain characteristics.
在此基础上，给出了三维数字地形交互显示的两种主要方式及实现方法。
Moreover, we also discussed the main two methods of drawing and displaying of it.
文章结合实践，对数字地形图图库的维护及其质量控制方面的有关问题进行探讨。
Combining with practice, the maintenance and quality control of digital topographic gallery are approached in this paper.
为实现立体像对的自动相对定向和数字地形模型自动生成提供了一种切实可行的方法。
This method has shown a good furture for automatic relative orientation and generation of Digital Terrain Models.
进一步采取分区域选点法，用加权平均法生成了网格数字地形，实现了地形的可视化。
Grid digital terrain is produced with getting reference point by subarea and weighted averaging method, and is visualized.
研究基于DEM的数字地形分析可以为各个领域提供地形分析的基础理论及实现手段。
The terrain analytic's basic theory for many fields and implement measure can be provided by digital terrain analysis based on DEM.
数字地形模型是空间地形数据集合的统称，是具有空间位置特征和地形属性特征的数字描述。
Digital Terrain Model is a general designation of space topographical data set, and it is the digital description with the figure of space position and topographical attributive character.
LRO轨道摄影机拍摄的3d图像被用作制作月球精确数字地形图，而这可能会调整平均高度值。
The 3d images from LRO orbital photography are being used to make an exact digital topographic map of the moon, and this is fact may tweak the mean elevation value.
在数字地形的基础上可开发各种河道信息应用系统，如冲淤分析、河床演变、工程规划、灾情评估等。
Based digital Terran information, river information application systems would be developed, such as erosion-deposition analysis, fluvial process, engineering planning and evaluation etc.
本文开发了全数字地形跟随仿真系统与半物理地形跟随仿真系统两个系统以验证所设计的地形跟随算法。
All-digital terrain following (TF ) simulation system and hardware-in-loop real-time terrain follow simulation system are designed to verify the TF algorithms.
本文在介绍数字地形分析基本概念的基础上，从基本地形因子和复杂地形因子两个方面进行了研究与实现。
In this dissertation, the two sides of basic terrain factor and complex terrain factor are investigated and implemented based on the basic concept of digital terrain analysis introduced.
数字地形模型(DEM)包含着丰富的地形、地貌及相关的地学信息与知识，是GIS数字地形分析的数据基础。
As the data base of the GIS digital terrain analysis, digital Elevation Model (DEM) contains rich of terrain, topography and related geo-information and knowledge.
对构筑三角形网格建立数字地形模型进行了研究，给出了基于散乱点和边建立三角形网格地形模型的生成算法和数据结构。
Generation of triangular meshes for digital terrain model is studied, the triangulation algorithm of discrete points and edges and its data structure are presented.
通过分析比较，得出DEM水平分辨率对提取的地形特征及水文特征的影响，为马莲河流域的数字地形分析提供了理论依据。
The effect of DEM horizontal accuracy toward character of terrain and hydrological have been concluded based on analyzing and comparing.
在此基础上进一步结合实验模型，这个数字模型被用于分析正弦地形上的近岸流在波浪作用下的分布情况。
Combined with the lab experiment, the numerical model is applied to wave-induced nearshore currents on a fixed tri-cuspate beach.
这张地形图根据由NASA（美国航空航天局）Terra号卫星上的先进星载热发射和反射辐射仪（ASTER）搜集的数字海拔高度数据制作而成。
The topography is from digital elevation data collected by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite.
战场地形信息基于数字摄影测量快速获取。
The quickly achieving battlefield landform information is based on digital Photogrammetry.
实现的算法可以直接应用于数据挖掘、数字网格划分与评估、数据分割、数值地形曲面的简化等问题。
The algorithm can be directly applied to data mining, digital grid partitioning and estimation, data partitioning, digital terrain surface simplification, etc.
数字脑电图仪含脑电地形图仪，是利用电极将人的大脑皮层的电活动提取并记录，从而对人的大脑及神经系统疾病进行诊断和治疗。
The digital EEG instrument is the use of that the electrical activity of cerebral cortex are extracted and recorded by electrodes, which diagnose and treat the human brain and nervous system.
求出了这些数字特征与地形的起伏标准差、粗糙度以及航速、航向误差之间的定量变化关系，为工程设计提供参考和依据。
The quantitative dependences of these numerical features on the fluctuant standard deviation and roughness of terrain are given, they provide the reference and basis for engineering designing.
本文主要对大规模地形数据(基于规则格网数字高程模型)的组织与可视化进行研究。
In this paper, study on organization and visualization of the massive terrain dataset mainly on Regular Square Grid data format are discussed.
人工数字地图是地形辅助导航系统的重要组成部分。
Artificial data map is an important part of the terrain aided navigation system.
应用推荐