地图数据库

介绍了利用GPS和电子地图数据库信息进行传感器参数在线标定的方法。

A kind of online modification of sensor parameters with GPS and digital map database in DRS is studied .

该文针对用于GIS的可扩充数据模型存在的问题。构造了一个适合地图数据库应用的可扩充数据模型。

To attack the problems on the extensible data model for GIS applications , we propose an extensible data model for map database applications in this paper .

GIS数据库与地图数据库关系辨析

Differentiating and Analyzing for Relations of GIS-database and Map-database

文章认为，以目前GIS的技术水平，同时建立与维护GIS数据库与地图数据库的必要性。

Author concludes that the co-existence of Map-Database and GIS-Database is necessary at the same time on the current GIS techniques level .

介绍INS／SAR图像匹配导航系统，其中包括INS／SAR图像匹配导航系西北〔业大学博士学位论文统原理与方案设计、SAR图像匹配方法研究及地面地图数据库的建立方法。

Give the introduction of the INS / SAR image matching navigation system , especially the principle and the design .

地图数据库管理系统MDB的数据模型

A Data Model for a Map Data Base Management System

地图数据库为社会提供各种比例尺的地图服务，GIS数据库为其应用提供各种时空尺度的地理信息服务。

The map-database will provide the map service of various scales for the society and GIS-Database will supply the different geography information service of various space-time dimensions for other applications .

研究了Web实现技术，结合地图数据库中数据的结构和特点，确立了网络环境下地图数据可视化浏览系统的地图数据流程。

In addition , this dissertation studies the realization techniques of Web , and establishes the map data flow of the visualization browse system of map data on Internet by considering the structure and feature of data in the map database .

ADS-B终端软件的核心是地图数据库，该数据库中保存着整个系统的GPS地图和几乎所有的终端显示模块的数据资料。

Map data , the core of ADS-B , stores all GPS map of the system and all data of terminal indication modules .

本文讨论我们设计并实现的地图数据库管理系统MDB的体系结构、数据模型、数据类型及其实现技术。

This paper discusses the architecture , data model and implementation techniques of our map data base management system MDB .

采用GPS技术是实现低成本列车运行控制系统的一个有效途径，而对于列车的实时GPS定位而言，轨道地图数据库是将定位数据与线路状况结合完成定位的关键。

GPS technology is an effective way to achieve Low-cost Train Control System , but for real-time GPS positioning of trains , the track map database is the key point to combine the positioning data with the line conditions .

常系数计算公式优于传统的变系数计算公式，是基于计算机的等角投影变换的最佳模型，它在计算机制图、地图数据库、GIS等领域中有着广泛的应用。

Constant coefficient computing formulas are better than traditional variable coefficient computing formulas . Constant coefficent formula for conformal projection transformation is the best model for computer calculation . They could be widely applied in flelds of computer cartography , map databases and GIS , ect .

地球物理勘探地图数据库GEMDB的设计与实现

Design and Implementation of Geophysical Exploration Map Data base

利用小波变换图像压缩技术的炮兵指挥自动化系统，采用Labwindows/CVI与MATLAB混合编程。系统由地图数据库、GPS及目标信息接收和分析等功能模块组成。

The software of Automatic Artillery Fire Command System ( AAFCS ) of using wavelet image compression techniques is designed by mixing programming of Labwindows / CVI with MATLAB . The AAFCS is made up of map database , GPS system and the reception and analysis modules of military objective .

在实践层面，定位技术、地图数据库所产生的地理信息相关服务，形成服务、商业产业链，LBS在移动互联网有很高的应用价值。

In the level of practical significance , geographic information of positioning technology and map databases bring related services , which form services and business industry chain , LBS has a high value in mobile Internet area .

同时研究应用实现的定位技术、地图数据库技术，以及AndroidSDK开发平台可行性分析等，与开发人员相互协作，进行视觉元件设计，完成demo开发。

At the same time , study the positioning technology and the map database technology for the application , and feasibility analysis of the Android SDK development platform . Collaborate with the developers to complete the visual component design and demo development .

KBMDS：基于知识的地图数据库系统

KBMDS : knowledge-based maps database system

该文提出了一种地球物理勘探地图数据库GEMDB（GeophysicalExplorationMapDatabase）应用系统的系统设计与实现方案。

This paper presents a system scheme based on extended relation data mode for GEMDB ( Geophysical Exploration Map Database ) .

适合地图数据库应用的可扩充数据模型研究

A Research on the Extensible Data Model for Map Database Applications

地图数据库管理系统对特写与漫游的支持

Support to closeup and roam operations in map database management systems

1∶5万地图数据库的计算机综合缩编

Construction of 1 ∶ 50 000 Map Database by Computer Generalization Method

作为空间信息系统核心的地图数据库系统

Cartographic Data Base System the Core Component of the Spatial Information System

地图数据库中基本图形对象的拓扑关系及其编辑

Topologic Relationships and Editing of Elementary Graphic Objects in Object-oriented Geographical Database

利用GPS/GLONASS更新地图数据库研究

A Study of Map Database Updating Using GPS / GLONASS

基于地图数据库进行自动化制图的研究和实现

Map Database Based Automatic Map Making : Research and Implementation

地图数据库管理系统国家基础地理信息系统

Cartographic data base management system national fundamental geographic information system

本文在地图数据库的基础上，探讨了复合目标的建立问题。

In this paper , the problem about building complex object is discussed .

地图数据库存储系统的开发应用

The Development and Application of Map Database Storage System

这些信息与一个地图数据库联合使用。

This information is combined with a map database .

低成本列控系统轨道地图数据库生成方法与实现

Generation Method and Implementation of Track Map Database for Low-cost Train Control System