| 基于功能的导航数据模型 |
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| 引用本文： | 李清泉, 徐敬海, 郑年波, 曾喆. 基于功能的导航数据模型[J]. 武汉大学学报 ( 信息科学版), 2007, 32(3): 266-270. |
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| 作者姓名： | 李清泉 徐敬海 郑年波 曾喆 |
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| 作者单位： | 1 武汉大学测绘遥感信息工程国家重点实验室,武汉市珞喻路129号,430079;2 武汉大学空间信息与网络通信研究中心,武汉市珞喻路129号,430079;3 南京工业大学土木工程学院,南京市中山北路200号,210009 |
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| 基金项目： | 国家自然科学基金;国家重点基础研究发展计划(973计划);教育部长江学者和创新团队发展计划 |
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| 摘 要： | 为同时实现导航系统核心功能,提出了基于功能的导航数据模型,重点论述了该模型中的导航数据的总体组织原则和导航数据组织模型。试验结果表明,提出的数据模型能方便高效地同时实现导航系统的核心功能,适合于导航系统。
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| 关 键 词： | 导航数据模型 汽车导航系统 LBS GIS-T |
| 文章编号： | 1671-8860(2007)03-0266-05 |
| 收稿时间： | 2006-12-12 |
| 修稿时间： | 2006-12-12 |
Function Based Navigation Data Model |
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| LI Qingquan, XU Jinghai, ZHENG Nianbo, ZENG Zhe. Function Based Navigation Data Model[J]. Geomatics and Information Science of Wuhan University, 2007, 32(3): 266-270. |
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| Authors: | LI Qingquan XU Jinghai ZHENG Nianbo ZENG Zhe |
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| Affiliation: | 1 State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan University,129 Luoyu Road,Wuhan 430079,China;2 Research Center of Spatial Information and Network Communication,Wuhan University,129 Luoyu Road,Wuhan 430079,China;3 College of Civil Engineering,Nanjing University of Technology,200 North Zhongshan Road,Nanjing 210009,China |
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| Abstract: | In order to realize the core functions of incar navigation system,a function based navigation data model is put forward,in which the whole organization principles and organization model of navigation data are addressed.In the whole organization principles,firstly,different scales data are classified into different levels in vertical direction and divided into blocks in horizontal direction.Then the data are organized into map display related levels,route planning related levels and POI related levels.In the data organization model,road data mode is researched in detail,in which map display related model and route planning related model are discussed,as well their supporting to core functions of navigation system.Experiment results demonstrate the data model described is able to synthetically realize the core functions of navigation system in an effect and convenience way,which is fit for navigation system. |
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| Keywords: | LBS GIS-T |
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