数字高程,digital elevation
1)digital elevation数字高程
1.Finally the relationship between the baseline anddigital elevation information is analyzed.根据InSAR的测量原理,对基于频域估算干涉图条纹频率并得到系统垂直基线的方法进行了详细的描述;进而分析研究了垂直基线和数字高程信息的关系。
2.Based ondigital elevation model theory,river system information is extracted by GIS software from DEM.选择太湖流域西苕溪水系为研究对象,以数字高程模型为基础,利用地理信息系统软件从DEM数据中提取研究区域的河网信息,将自动划分的子流域作为水文模型的最小计算单元,结合三水源新安江模型理论建立了基于DEM的分布式水文模拟模型并进行了应用。
3.The theory and method to obtaindigital elevation from InSAR image are introduced.介绍了合成孔径雷达干涉测量(InSAR)区域数字高程的原理和方法,分析和讨论了主要的计算过程和关键技术。
英文短句/例句
1.A Research on Spatial Data Mining of Digital Elevation Models;数字高程模型（DEM）空间数据挖掘研究
2.Error Processing and Accuracy Assessment of Digital Elevation Model (DEM)数字高程模型的误差处理与精度评估
3.THE APPLICATION OF DEM TO SLOPING FARMLAND INVESTIGATION数字高程模型在坡耕地调查中的应用
4.DEM Edit System:Design and Implementation数字高程模型编辑系统的设计与实现
5.The Extraction of Topographic Patterns Based on Digital Elevation Model;基于数字高程模型（DEM）的地形特征提取
6.Gross Error Detection on Digital Elevation Model;数字高程模型（DEM）的粗差探测
7.Research on the Building and Application of Digital Elevation Model in GIS;GIS中数字高程模型的建立与应用研究
8.Global Error Analysis of DEM Models数字高程模型(DEM)的整体误差分析
9.ASSESSMENT METHOD OF DIGITAL ELEVATION MODELS ACCURACY AND ITS LIMITATIONS数字高程模型精度评价及其问题探讨
10.Digital elevation computation by using two pieces of InSAR image利用InSAR干涉测量区域的数字高程
11.Research on System Structure of Building city DEM and DOM Geodatabase城市数字高程模型和数字正射影像建库系统架构
12.Algorithm to generate digital elevation model is studied based on random fractal.本文研究了基于随机分形的数字高程模型算法。
13.Analysis of Spatial Information Uncertainty from DEM数字高程模型的空间信息不确定性分析
14.A Simulation on the Accuracy of DEM Terrain Representation数字高程模型地形描述精度量化模拟研究
15.Method for Generating DEM Geomorphologic Feature保持地貌特征的数字高程模型生成方法研究
16.Quantitative Analysis of Soil Erosion on Hillslopes by Alternant DEM用交互数字高程模型分析计算坡面土壤侵蚀量
17.The Application of Digital Elevation Model (DEM) in Road Survey and Design数字高程模型在公路勘测设计中的应用
18.Discussion on Handling of Fracture-line in Large Scale DEM大比例尺数字高程模型中断裂线的处理探讨
相关短句/例句
DEM数字高程
1.On the basis of statistical fractal theory, we analyze and compute the dimension space, scale ranges and fractal dimensions of a large number of tiny-terrain digital-elevation-model (DEM) data which are got from experiments, and get their terrain-characteristic data.根据统计分形理论对大量实验测得的微地形数字高程数据进行了分维空间、无标度区和分形维数等分析和计算,并求出了各自的地形特征数据,同时建立了单个微地形在控制废石混入率时富钴结壳开采的最优切削深度的遗传寻优算法。
2.The detection error in line-of-sight caused by phase error,DEM error and baseline error is very serious in practice.该技术在实用中受多种误差的影响,其中基线误差、相位误差和已知数字高程的误差是三个主要的误差来源,严重影响形变检测精度。
3)digital elevation model数字高程图
4)3″DEM3″数字高程
1.By using high resolution3″DEM data,precipitation data from May to October of 94 weather stations in the east of Qinghai-Tibet Plateau,based on multivariable stepwise regression method,the estimating model of monthly precipitation are done combined with terrain factors.利用高分辨率的3″数字高程模型资料,青藏高原东部102个常规气象观测站5~10月份的降水资料,采用多元逐步回归的方法,分类建立青藏高原雨季逐月降水量和6个地理、地形因子间关系模型,估算青藏高原地区雨季降水量空间分布。
5)DEM数字高程模型
1.The improvement and application ofDEM for rivers;河流数字高程模型的改进及其应用
prehensive Review on Error Analysis and Accuracy Appraisal ofDEM;数字高程模型误差分析及精度评价述评
3.Application of GIS andDEM to the analysis of deposition and erosion of foreshore in the Yangtze River estuary;地理信息系统和数字高程模型在河口滩涂地形冲淤分析中的应用
6)digital elevation model数字高程模型
1.Polygon region method ofdigital elevation model generation;建立数字高程模型的多边形区域法
2.Application of GISdigital elevation model technology in urban planning design;GIS数字高程模型技术在城市规划设计中的运用
3.Estimation of the rice planting area usingdigital elevation model and multitemporal moderate resolution imaging spectroradiometer;数字高程模型和多时相MODIS数据复合的水稻种植面积遥感估算方法研究
延伸阅读
数字高程模型(dem)数字高程模型(dem)数字高程模型是描述地表起伏形态特征的空间数据模型，由地面规则格网点的高程值构成的矩阵，形成栅格结构数据集。
