“DEM”可以造什么句，DEM造句
Analysis of Slope and Aspect Based on Regular Grid DEM
Each node represents one DEM data block. According this separation, by quad-tree data structure can get global different resolution DEM data storage architecture.
The Method for Extraction Topographic Feature Line Based on Grid DEM;
The error source and feasibility of INSAR DEM construction on inland ice sheet is well analyzed.
该方案根据现实可得DEM数据的精度 ,指出DEM中“数字负地形”来自真实的地形和伪地形 ;
According to its physical mechanics properties, the statics characteristic of lunar soil is studied using DEM software PFC3D.
将DEM生成表述为像素标号问题，匹配影像直接生成DEM，不但进行整体优化而且去除内*对DEM质量的影响。
Phase unwrapping is one of the key steps for the processing of InSAR data. The quality of the unwrapping results affects the final DEM directly.
This article proceeds from actual use, introduces the application of surveying technique in the pipeline engineering and the method of DEM and DOM manufacture.
本文研究了利用航天遥感影像自动提取数字高程模型（DEM）的方法技术，建立了一整套利用SPOT影像提取DEM的方案。
而针对少部分过滤有误的地方仍须以人工进行检核编修，以确保DEM之成果品质。
Based on 3d laser scanner system, the paper takes the Qiaogou small basin locating in hilly and gully region, Suide County as test region, sets up its high-precision DEM.
These methods were not matched to development of GIS and DEM applications, and do not meet the requirements of modeling in watershed hydrology and regional soil erosion as well.
论文针对柬埔寨地质资料严重缺乏及洞里萨湖地区地貌特点，采用TM、ALOS遥感影像数据结合DEM数据开展地貌及微地貌制图研究，实现数字地貌制图。
【中英文摘要】介绍了三维城市模型的要素和数据内容,并从DEM数据获取、面纹理数据获取、筑物的数据获取和其他数据获取等方面探讨了获取地理数据的方法。
Research on DEM error of double orientation interpolation on grid
The DEM format encodes elevation data to create highly detailed terrains.
The result indicates that DEM has wide prospects in numerical simulation of the dense solid-gas flow.
The dynamic process of deformation and failure of the Moziwan landslide is simulated with Discrete Element Method (DEM) in this paper.
Because (interferometric) Cartwheel and Pendulum formation is put forward based on side-glance geometry, simulation results show that the DEM performance of them are not optimal.
主要从实际应用的角度出发，介绍了测绘技术在管线工程项目中的应用，以及制作DEM和DOM的方法。
指出传统坡度研究方法已与GIS的发展，DEM的广泛应用不相适应，也不能满足水文和土壤侵蚀定量模拟研究的需要。
Algorithm for Building Grid DEM Based on TIN DEM Data
A Proximity Query Algorithm for Three-Dimensional DEM Based on Dynamic Octree;
Because DEM contains plentiful data shapes, the dissertation classified the data shape and discussed in details the reason and correlative relationship with real geomorphologic features of it.
在FLY模块下，分别装入纠正好的TM影像和DEM，即可生成遥感信息三维飞行数据模型。
According to current DEM resolution,depressions and flat areas in a DEM are mainly from real landform features and spurious features.
每个结点表示一个DEM数据分块，根据如此剖分，由这棵四叉树结构就得到全球范围不同分辨率的DEM数据存储结构。
Study on method for extraction of river network in Dujiangyan area within Minjiang River Basin based on GIS and DEM
在中欧*合作第五框架中“ANFAS”项目的资助下，本文开展了基于星载合成孔径雷达干涉测量技术的DEM生成的研究。
