导航电子地图数据增量更新研究  

Research on Navigation Electronic Map Data Increment Updating

作　　者：张斌[1] 崔铁军[2] 

机构地区：[1]信息工程大学测绘学院,河南郑州450052 [2]天津师范大学空间信息服务重点实验室,天津300387

出　　处：《地理信息世界》2011年第5期33-36,共4页Geomatics World

摘　　要：随着经济建设的快速发展,人们出行对地图的需求越来越大,特别是导航电子地图得到了广泛应用,随之而来的就是导航地图数据的定位精度和现势性问题,而动态增量更新是解决地图现势性的唯一途径,但是长期以来受终端硬件性能瓶颈的影响,进展不大,而当前随着微电子技术的迅猛发展,导航终端硬件设备的处理运算和存储能力的提高,导航仪硬件设备成本下降,为实现导航电子地图动态增量更新提供了可能,本文就导航电子地图数据更新模式进行探讨。With Ihe rapid development of economical construelion, the demand to map has been more and more for peoples travelling, especially Io navigation eleetronie map, whieh has been widely used. At the same time, there come lhe location precision and up-to-date state problems of navigation map data. To solve the up-to-date state problem, dynamic inerement updating is the only way. However, in quite a long time it is limited by terminal hardware, performance bottleneck and has little development. With the rapid progress in miero-eleetronie techniques, the calculation and storage ability of navigation terminal hardware equipment has been improved, and the eost on navigation hardware equipment has been decreased, which totally provides the possibility to realize the dynamic increment updating on navigation eleetronie map. In this paper, the data update mode, for navigation eleetronic map has been discussed.

关 键 词：导航电子地图 数据组织 数据更新 增量更新 

分 类 号：P208[天文地球—地图制图学与地理信息工程] P228.4[天文地球—测绘科学与技术]