时空参考框架普适化表达

doi:10.3724/SP.J.1047.2017.01201

地球信息科学学报 ›› 2017, Vol. 19 ›› Issue (9): 1201-1207.doi: 10.3724/SP.J.1047.2017.01201

• 全空间信息系统理论方法 • 上一篇下一篇

时空参考框架普适化表达

陈祥葱^1,²(), 张树清^1,^*(), 丁小辉^1,², 魏延生^1,², 李华朋¹

1.中国科学院东北地理与农业生态研究所,长春 130102
2.中国科学院大学,北京 100049

收稿日期:2017-04-30 修回日期:2017-08-25 出版日期:2017-10-09 发布日期:2017-10-09
通讯作者: 张树清 E-mail:killo007@163.com;zhangshuqing@neigae.ac.cn
作者简介:
作者简介：陈祥葱（1984-）,男,博士生,主要从事3D GIS数据模型研究。E-mail: killo007@163.com
基金资助:
国家重点研发计划项目“全空间信息系统”（2016YFB0502300）;国家自然科学基金项目（41671397）

An Exploratory Study on Ubiquitous Representation of Spatial-temporal Reference Framework

CHEN Xiangcong^1,²(), ZHANG Shuqing^1,^*(), DING Xiaohui^1,², WEI Yansheng^1,², LI Huapeng¹

1. Northeast Institute of Geography and Agro-ecology, Chinese Academy of Sciences, Changchun 130102, China
2. University of Chinese Academy of Sciences, Beijing 100049, China

Received:2017-04-30 Revised:2017-08-25 Online:2017-10-09 Published:2017-10-09
Contact: ZHANG Shuqing E-mail:killo007@163.com;zhangshuqing@neigae.ac.cn

摘要/Abstract

摘要：

随着GIS研究领域拓展,空间信息系统面临着全尺度、全类型、全动态表达等挑战,而“全空间信息系统”则成为应对上述挑战的有效途径。时空参考框架是人类时空观的量化表达,面对不同尺度、不同范畴的研究对象,全空间信息系统时空参考框架面临着表达尺度、基准变换以及时空一体化等方面的问题,亟需探索普适化、归一化的时空参考框架表达与转换方法。本文通过对已有一维、二维、三维以及时空参考框架的定义、表达方式的分析与比较,尝试提出时空参考框架普适化表达方法,该表达不仅适用于数学定量表达,也适用于语义模糊表达,为在更广泛的意义上实现时空表达提供了借鉴;同时,基于现实世界的分维、分形特征,利用上述普适化表达方法,通过对时空参考框架时间维、空间维的变换方法研究,探索了以递归计算的方式实现时空参考框架的归一化表达,实现了全空间时空参考框架的全尺度、全维度变换。

关键词: 时空参考框架, 普适化表达, 框架转换

Abstract:

Along with the increasing expansion of GIS in diverse application fields, spatial information systems face a variety of challenges, such as full-scale, full-category and full dynamics. Pan-spatial information system is an effective way to deal with the challenges mentioned above, in which spatial-temporal reference framework (STRF) is the core for the quantitative representation for human’s view of time and space. When handling objects of study with different scales and in different domains, the STRF in pan-spatial information system has various difficulties including descriptive scale, datum transformation, as well as integration of space and time. Thus, there is a huge demand for the development of a generic and unitary approach for the description and transformation of STRF. Through comparison and analysis on current STRFs in 1-, 2-, 3- or even higher dimensions, a new ubiq-uitous STRF is put forward in this study. In fact, the proposed ubiquitous representation of STRS in pan-space is applicable to the corresponding mathematical quantitative description and the related representa-tion of semantic vagueness. Thus, it provides reference for spatial-temporal representation in a broad sense. Meanwhile, based on fractal dimension characteristics extensively available in the real world and the proposed ubiquitous representation method, a unitary representation of STRF is investigated by making use of recursive computation. A full-scale and full-dimensional transformation of STRF is then realized in the pan-space.

Key words: spatial-temporal reference framework, ubiquitous representation, framework transformation

陈祥葱, 张树清, 丁小辉, 魏延生, 李华朋. 时空参考框架普适化表达[J]. 地球信息科学学报, 2017, 19(9): 1201-1207.DOI:10.3724/SP.J.1047.2017.01201

CHEN Xiangcong,ZHANG Shuqing,DING Xiaohui,WEI Yansheng,LI Huapeng. An Exploratory Study on Ubiquitous Representation of Spatial-temporal Reference Framework[J]. Journal of Geo-information Science, 2017, 19(9): 1201-1207.DOI:10.3724/SP.J.1047.2017.01201

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时空参考框架普适化表达

An Exploratory Study on Ubiquitous Representation of Spatial-temporal Reference Framework

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