时空数据模型是时空数据库的研究重点之一。
Data model is one of the central activities in the research of spatiotemporal database.
基态修正模型是目前应用较广的一种时空数据模型。
The base state with amendments model is used widely as a spatiotemporal data model.
应用水文时空数据模型显示降雨数据的时空变化过程。
Then, the model is employed to visualize the spatiotemporal variation of rainfall data.
本文结合实践中地籍变更的特点,提出了基于特征变化状态的时空数据模型。
This paper sets forward a new spatiotemporal data model based on the states of the changing features according to the character of land registration change.
但对于不同的时空数据模型,时空数据更新处理和查询的方法存在很大差异。
However, for different spatiotemporal data models, there is a big difference on spatiotemporal data updating and query approaches.
本文引入面向对象的时空数据模型,把各种实体作为对象,把道路作为面状要素描述。
The paper introduced object oriented spatiotemporal data model, looked on all kinds of things as objects and described road as face shape element.
本文在分析社会经济统计数据时空特点的基础上,提出了社会经济统计时空数据模型。
On the base of analyzing temporal-spatial characteristics of the social and economic statistical data, the paper puts forward a temporal-spatial data model of social and economic.
根据GIS - T数据所具有的时空特性,本文对现有的时空数据模型进行对比分析。
According to the spatial and temporal characteristics of GIS-T data, this thesis has carried on the analysis and comparison of several existing spatiotemporal data model.
应用表明,本文设计的时空数据模型,在高效实现历史状态再现、回溯方面有一定的实践意义。
The application shows that the spatiotemporal data model designed in this study makes practical sense to perform the reappearance of historical state and backdating effectively.
基于基态修正模型以及对象版本管理的思想,提出用于动态道路网络数据管理的时空数据模型。
A spatiotemporal data model is proposed to represent dynamic road networks based on base State with Amendments model and object-version management theories.
本文提出了基于状态-事件的时空数据模型,并系统阐述各时空数据模型之间的相互转换条件。
In this paper, a new spatial-temporal data model based on state-event is presented, and the qualifications for conversion between spatial-temporal data models are analyzed.
讨论了基于特征的概念模型要素及相互关系;提出了基于特征的时空数据模型所面临的关键技术。
The conceptual modeling elements and mutual relations between them are discussed and some key technical problems are identified in the development of feature based temporal - spatial data models.
给出了时空数据模型的设计、历史沿革追溯与时间断面复原算法的分析,以及算法实现中的关键部分。
This paper shows the design of spatial-temporal data structure, the analysis of methods of history information backward recovering, and some example of important programming.
目前,国际上对于作为时空数据模型概念和形式化基础的时空拓扑关系定义和描述还没有一个明确的阐述。
At present, there isn't a clear definition and description of spatiotemporal topological relationships which is a conceptual and formal basis of spatiotemporal data model.
结果表明,该模型能够很好地应用于具有时空过程特性的线数据中,也为时空数据模型的总体设计提供借鉴。
It is proven that the model is well applicable to line process data with the dynamic characteristics, and can also provide basis for spatiotemporal data model whole designing.
该文提出了一种可适用城镇产权地籍管理的时空数据模型及一整套完善解决地籍变更和地籍历史档案管理的方案。
This paper presents a temporal - spatial data model for town property cadastre management, and presents a well - designed cadastral change solution and cadastral history data management solution too.
本文的主要研究工作有以下几点:通过对GIS - T数据和时空数据模型的分析,探讨现有的GIS - T时空数据模型所存在的问题。
The main contributions of this thesis are as follows: After analyzing GIS-T data and spatiotemporal data model, some problems of some existing spatiotemporal data model have been gotten.
但作者对现有的基于行为的时空数据模型的分析中发现已有的模型在个人行为的动态性特征体现、行为可视化以及行为活动的统计、分析等技术上存在一定的欠缺。
But through the analysis of the data model for activity-based, the author found that the current models has some drawbacks on the dynamic character, videotext and statistic analysis and so on.
完全改变或较大修改数据模型,并开发大量的但可能只具有较窄的应用范围的时空分析模型不会被GIS开发者所接受。
Completely changing or largely modifying data model of current GISs and developing a lot of spatial process models which may have very narrow applications could not be accepted by the GIS vendors.
设计了地籍时空逻辑数据模型。
A cadastral spatial-temporal logical data model is designed.
设计了地籍时空逻辑数据模型。
A cadastral spatial-temporal logical data model is designed.
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