移动定位

3G移动定位技术在船舶遇险中的应用

Application of 3G running fix technology in shipping danger

基于GPS和Internet的移动定位平台设计与实现

Design and Implementation of Mobile Positioning Platform Based on GPS and Internet

多径环境下CDMA移动定位的时延估计算法

Mobile location positioning time delay estimation algorithm in CDMA multipath environment

CDMA移动定位系统中非视距误差的消除算法

Non-line-of-sight error mitigation algorithm in CDMA mobile communication system

基于J2EE的移动定位服务研究

Mobile Location Service Based on J2EE

本文对与MobileGIS相关的嵌入式系统、移动定位、无线通讯技术和嵌入式地理信息系统（EmbeddedGIS）作了简要介绍。

The paper particularly introduces the embedded system , mobile positioning technology , wireless communication technology and embedded GIS , which correlates with mobile GIS .

移动定位技术已成为WCDMA网络的核心技术之一，对各种定位方法和技术在WCDMA网络中的实施和应用已经成为目前研究的热点。

Therefore , mobile location technique has become the core technology in WCDMA network .

非直达波条件下的TDD高精度移动定位算法

A Non-Line-Of-Sight High-Resolution Location Algorithm Based on TDD for Mobile Station

手机蜂窝移动定位技术是一种不依赖于GPS的无线导航与定位技术，具有广阔的研究和应用前景。

The cellular mobile phone location is a wireless navigation and positioning technology which does not dependent on the GPS , it has broad research and application prospects .

基于TOA的置信因子移动定位算法

A TOA Based Believable Factor Mobile Location Algorithm

同时，重点分析了网格移动定位服务的相关技术：可扩展标记语言、Java开发平台、移动通信技术、GIS及嵌入式GIS技术。

Some related techniques : extensible markup language , the development platform for java , mobile communication , geographic information system and embedded geographic information system are presented in the paper .

本文结合MPS移动定位技术和基于Web管理的优势，提出了基于J2EE架构的MPS移动定位系统中跟踪监控子系统，以两种基本概念方式来划分应用系统：传统的模块分解方式；

This thesis presents J2EE-based MPS mobile tracking system . My design partitions the application in two basic conceptual ways : multi-tier architecture and traditional modular decomposition .

随着移动定位技术的飞速发展，追踪移动对象以提供定位服务（location-basedservices，LBS）已变得切实可行。

With the growing advances of positioning technologies , tracking the location of mobile objects to push Location-Based Services ( LBS ) has been applicable .

利用无线通讯技术和Internet网络，可以实现移动定位的终端用户与提供并传输定位数据的基准站服务器以及其他用户之间的信息交互，从而使GPS定位技术的应用领域更加广阔。

Also the users can communicate their location information with a server of GPS base station and exchange messages with other users . The application of GPS positioning via Internet can be put to use widely .

UMTS系统移动定位技术

Mobile Location Technologies for UMTS System

本文首先对蜂窝网移动定位技术进行了全面的介绍，其中对本文所采用的TDOA无线定位技术进行了重点阐述。

After introducing the wireless cellular network positioning technology in general , this paper elaborates TDOA wireless positioning technology .

阐述了移动定位协议在定位数据传输中的作用，分析了各种定位请求的交换方式及Le接口协议的组成。

Elaborated the functions of mobile location protocol in position data transmission . Analysed various methods of location requests and the composition of Le interface protocol .

提高蜂窝移动定位系统的定位精度是定位技术在CDMA系统中广泛应用的关键。

Improving the accuracy of location positioning system in cellular network is the key for location based services to be widely applied in code division muitiple access ( CDMA ) systems .

本文研究的技术主要涉及移动定位、电子地图、GPRS、Internet、嵌入式软件开发、网络通讯编程和3S集成等。

The paper studying technology mostly is involved in mobile positioning , electron map , GPRS , Internet , embedded software development , network communication programme , " 3S " integration and so on .

安全用户平面AGPS移动定位平台的设计与实现

Design and Implementation of AGPS Location Platform Based on Secure User Plane

利用BREWSDK开发包，设计并开发了基于BREW平台的移动定位系统（LBS）。

This paper makes use of BREW SDK development pack , designs and develops the Location Based System ( LBS ) based on the platform of BREW .

针对移动定位中NLOS和多径传播的影响，将节点定位嵌入到机器学习框架内。

To mitigate the side effect of NLOS and multipath transmission in the mobile localization , node localization is embedded into the framework of machine learning .

调查显示，移动定位技术（LBS），作为一种先进的移动数据业务，存在着巨大的市场潜力和增值空间。

According to investigation , LBS , as a new mobile data service coming out of the window , shows its big market potential and capability of generating enormous room for revenue .

移动定位是指通过收集和分析网络相关数据，确定移动台（MS）在公共陆地移动通信网（PLMN）中的地理位置信息（经纬度坐标）。

Radiolocation means through collecting and analyzing relevant network datum , to confirm geographical position information ( longitude and latitude coordinate ) in the public land mobile communication network ( PLMN ) .

GPS是现代高科技的结晶，它具有全天候、全球覆盖、三维高速定时、高精度、快捷、省时、高效率、可移动定位等传统测量技术所不具备的优点。

The Global Positioning System is the modern high technology . It has many advantages such as the global cover , all-weather , high speed three dimensional , the high accuracy , quick , time-saving , and highly effective which the traditional survey technology does not have .

不过，A-GPS最主要的问题是用户对于使用移动定位业务必须更换手机难以接受。

However , A-GPS users is the key issue for business use of mobile location must be difficult to accept the replacement phone .

该方法基于数据融合技术，对传统Chan算法的定位估计结果进行多层信息融合，使得仅利用多组到达时间差（TDOA）测量数据即可有效地提高移动定位的精度。

Based on the technology of data fusion , it processes multi-layer information fusion for the location estimates by Chan algorithm , which makes mobile positioning accuracy rise effectively by only using measured TDOA ( time difference of arriving ) signals .

介绍了移动定位技术中的TDOA和A-GPS基本原理，并在此基础上提出了结合TDOA和A-GPS两种定位技术优点的混合定位技术，同时又介绍了在第三代移动网络上的具体实现。

This article introduces the basic theory of A-GPS and TDOA , puts forward a hybrid LDT that combines the above two 's advantages , and its implementation over the third generation network .

仿真结果表明，前三种移动定位算法无论是在定位精度、覆盖率还是能量消耗方面都要优于传统DV-Hop算法。

The simulation results show that whether in terms of location accuracy or coverage rates and energy consumption , the first three kinds of the mobile localization algorithm is superior to the traditional DV-Hop algorithm .

介绍了导航数据库的定义、技术特点、关键技术问题以及实现步骤，并就车辆自动导航系统、车辆监控与调度管理、移动定位服务等三方面详细论述了导航数据库在ITS和LBS中的应用。

This paper introduced the definition , technical characteristics , key technology and implementation process of navigation database . It also discussed the application of navigation database in ITS and LBS , such as vehicle automatic navigation system , vehicle monitoring and dispatching management system and mobile location services , etc.