本文主要讨论空间数据质量特性,质量控制所涉及的内容。
This paper mainly talks over contents which are involved with quality characteristic and quality control of spatial data.
地籍空间数据质量是地籍数据更新、信息查询与分析的基础。
Spatial data quality is the basis of cadastral data's updating, query and analysis.
地籍空间数据质量是地籍数据更新、信息查询与分析的基础。
The quality of cadastral spatial data is the basis of cadastral data's updating, query and analysis.
分析空间数据来源、提高空间数据质量是建立地理信息系统的前提。
Analyzing the source of spatial data and improving the quality of spatial data are the precondition of building GIS.
为此,通过对地质空间数据质量的控制及检查评价的探讨,以便为同行提供参考。
This paper discussed the control and valuation problem of spatial geological data and offered the reference for the same trade or occupation.
探索出林业管理信息系统空间数据库建库流程以及空间数据质量控制的有效方法及关键技术。
Explore the establishing process of the forestry space database of management information system and the effective method and key technologies of space data quality control.
介绍了空间数据质量检查系统的设计原理与方法,并对空间数据质量检查系统实现的关键技术进行详细的论述。
This paper introduces elements and methods of design for Spatial Data Quality Check System, and discusses Key technology of Spatial Data Quality Check System.
空间数据的精度分析和质量控制是地理信息科学研究的主要内容之一。
The precision analysis and quality control of spatial data is one of the main contents of the research on geographic information science.
提出了网格环境下的空间数据协作生产模型,分析了其质量控制策略,通过系统原型对本文思想进行了验证。
A collaborative spatial data production model in grid environment is proposed, especially the quality controlling policies are analyzed, and all above is validated in the system prototype.
高质量、强现势性的城市空间数据的获取、更新和使用问题已成为当前“数字广州”建设中的瓶颈。
Currently the gathering, update and usage of high quality and up-to-date urban spatial data have become the bottleneck in the construction of "Digital Guangzhou".
GIS空间数据精度与质量直接影响一个国家GIS应用的广度与深度。
The GIS space data accuracy and quality can directly affect a national GIS application more intensively and extensively.
根据空间数据误差理论,对空间数据误差来源和种类、空间数据的质量要素等进行地了研究。
The error sources, types and elements affecting the quality of the spatial soil conservation data has been analyzed, by the view of the error and quality of spatial data.
GIS空间数据不确定性和质量控制的研究是GIS基础理论问题研究中的一个重要内容。
The researching of uncertainty and quality control of spatial data is considered as an important basic theory in GIS.
基础空间数据库是数字城市的核心,而数据质量的高低又是数据库建设成功与否的关键。
The basic spatial database is the core of the digital City, and the quality of spatial data is the key factor in database construction.
坐标校正方法的恰当选取是利用纸质地图进行空间数据录入过程中的重要步骤,它严重地影响着空间数据的质量。
Selecting a proper coordinates correction approach is a rather significant stage during the spatial data input from paper maps, which exerts a strong impact on data quality.
探讨了空间位置的属性连接方法的理论基础与实施步骤,并提出了空间数据的质量控制与检查的对策。
Discusses the basic theory, implementation steps of attribute connection by spatial position, and puts up with the countermeasures for the quality control and check of the spatial data.
本文提出一种称为有序体数据的空间数据结构,它可以有效地加速体绘制而对图像质量没有影响。
Objective To describe a spatial data structure called sorted volumetric data structure which speeds up the volume rendering and will not affect image quality.
将空间数据库、属性数据库和应用模型库通过内部和外部接口集成一起,对秭归县的生态环境质量进行了定量评价。
Spatial database, attributive database and model base were integrated by internal and external interfaces and applied in quantitative evaluation of eco environmental quality of Zigui County.
本文在简要分析数字城市基础空间数据库构建过程的前提下,详细论述了数字城市基础空间数据建库中需进行的质量控制内容及方法。
In this paper, we analyze the process of building digital city's basic spatial database first, then we introduce some quality control methods in this process.
因此,空间数据的质量,尤其是空间数据的不确定性变得越来越重要。
Hence, the quality of GIS spatial data, especially the uncertainty of spatial data, is becoming more and more important.
在全国空间数据库建设工作中,实行统一的工作方法、工作程序和建库辅助软件,可实现高效率、高质量的效果。
It is necessary to unify the working method, procedure and assistant software in constructing national wide spatial database.
通过分析某城市空气质量数值预报数据的时空组织结构,构建出了多维空间数据的整体框架。
This paper analyzes the organization structure for numerical forecasting data of the city air quality in space and in time, and constructs an overall frame for the multi-dimensional space data.
环境评价是对环境质量优劣的定性评述,地理信息系统(GIS)是利用地图对空间数据进行管理的计算机系统。
Environmental Assessment is an evaluation of the environmental quality. Geographical Information system (GIS) is a computer system which manages the special data.
地质图空间数据库数据量大,内容复杂,为了保证数据库的质量,在地质图空间数据库的建立过程中,对数据的全面系统检查工作是非常必要的。
The geological map spatial database is large and complicated. To ensure the quality of database, it is essential to check the data systematically during the database construction.
根据空间数据误差理论,对空间数据误差来源和种类、空间数据的质量要素等进行了研究。
The error sources, types and the elements affecting the quality of the spatial soil conservation data has been analyzed, by the view of the error and quality of spatial data.
为实现空间数据共享,需要描述空间数据或数据集的内容、质量、状态和其他特性的数据,这就是元数据。
To share space data, it is necessary to describe space data or the content, quality and mode of a data set and other characteristic data. This is the element data.
目前空间数据产品主要表现为“4d”产品,并已分别建立了相应的数据质量模型。
At present, the most common product of spatial data is "4d", and each of them have had its own data quality model.
目前空间数据产品主要表现为“4d”产品,并已分别建立了相应的数据质量模型。
At present, the most common product of spatial data is "4d", and each of them have had its own data quality model.
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