介绍了一种采用GPRS技术的车载定位系统软件设计。
This paper discussed a software design of the onboard navigation system, using GPRS technology.
详细阐述了车载定位系统的工作原理和车载终端系统硬件设计。
The paper introduces the principle of location system , and analyses the hard ware of the system.
目前，车载定位导航系统作为智能车辆系统的一个重要单元正成为研究的热点。
Nowadays, the navigation system for vehicles, a popular research problem, has become an important unit of ITS.
这种车载定位系统与目前现有的方案相比，具有新颖、独特、性价比高等优点。
Comparing with the existing schemes, this scheme is newer, compacter, and cheaper than ever bef...
近年，随着GPS技术和嵌入式技术的日臻成熟，GPS车载定位终端开始出现，并且有着广阔的市场前景。
In recent years, with the development of GPS and embedded technology, the Vehicle-carry systems of GPS appeared and would have great market.
通过基于车载定位的实测试验，与磁力计传感器的角度测量结果进行对比，对方法的可行性和精度水平进行了验证。
The feasibility and precision of this method are verified by comparing the angle measurement results of magnetometer sensor in the actual measurement experiment of vehicle positioning.
作为技术原型，该系统可以广泛应用于各种小型智能终端，为用户提供方便实用的语音信息服务，目前已经在车载定位信息播报系统和手机短信息播报系统中推广应用。
This system can be used as a technical prototype in all kinds of small intelligent terminals, where it can give users convenient and useful speech information service. Recently, it has been u...
车载导航系统是本设计的重要功能组成部分，本文深入讨论了车载定位导航技术的理论基础：全球定位系统GPS与地理信息系统GIS，以及电子地图的表达方式和数据结构。
The automobile navigation system is an important part in this design. This paper investigates GPS location, GIS navigation and description methods and data structure of navigation electronic map.
该市场已经逐步意识到导航和全球定位系统(GPS)工具的优势，尤其是车载导航系统。
The market has become increasingly aware of the advantages of navigation and Global Positioning system (GPS) tools, especially for vehicle navigation systems.
为了改善北斗卫星定位性能，基于卡尔曼滤波设计了北斗卫星与车载传感器的数据融合算法。
In order to improve the positioning performance of the Beidou satellite, an algorithm of data fusion between Beidou satellite and on-board sensors in vehicle is proposed based on Kalman filter.
对在惯导平台车载试验误差模型辨识中使用全球卫星定位系统(GPS)载波相位差分(rtk)法进行了研究。
Global positioning system real time kinematic technology (GPS RTK) was applied to the error model identification of the inertial navigation platform in this paper.
汽车缓冲器上被安装了一排雷射灯，雷达和全球定位系统随时将数据传入车载计算机用以确定位置。
An array of lasers fitted on the car bumpers, radar and global positioning systems feed data into the on-board computer to determine its location and position.
为了满足车载导航系统对精度和连续性的要求，采取辅助手段来补偿GPS定位的缺陷。
To make the vehicle navigation system to meet the requirements of precision and continuity, people take supplementary measures to compensate for the deficiencies of GPS positioning.
车载实验表明，样机的定位精度和GPS相当，并具有较好的重复性。
Vehicle tests show that the positioning accuracy of the prototype is about the same to the GPS, and is provided with a quite good repeatability.
本文通过硬件设计和软件编程实现了车载智能终端提取GPS定位数据以及和监控计算机进行无线数据通讯。
With the hardware design and software programming the system could succeed in picking up the GPS positioning data and communicating with the monitor center computers by wireless.
研制一套由车载齿槽板、沿轨道分布的检测子块及一台上位处理器组成的轨道车辆地面式定位测速系统。
A set of location and speed detection system based on ground measure applying to track vehicles is developed.
针对车载gps定位的特点，实现了一种车载GPS卡尔曼滤波算法。
A kalman filter arithmetic for the vehicle GPS is achieved, which aims at the characteristic of vehicle GPS position.
采用GNSS技术构建列车定位系统有着极大的优势，但是在实际应用中还需要解决列车运行中车载接收机定位精度的问题。
Though GNSS technology has such advantages in positioning, the accuracy of location determined by onboard receivers need to be improved.
站间是以车载设备为主的，由无源点式应答器、GPS列车卫星定位系统、多机校核系统构成的列车信号引导系统。
The train signal guiding system (on board) consisting of passive intermittent responder, train GPS system, and multiple computer checking system are equipped on the section.
国内企业，基本上是在外国公司的核心技术的基础上开发，生产车载终端，手持定位仪产品。
Domestic companies are basically foreign companies in the secondary on the core product development, production and vehicle terminals, self-navigation and hand-held locator products.
然后本文详细论述了车载记录仪的硬件设计及软件的总体设计，主要包括GPS定位数据采集、GPRS模块的数据接收和发送、数据的显示及与PC机的通信等部分的设计。
Then this paper elaborates software and hardware design of the vehicle recorder system. System includes the GPS data collection, GPRS part, display and communications with PC etc.
研制一套由车载齿槽板、沿轨道分布的检测子块及一台上位处理器组成的轨道车辆地面式定位测速系统。
The system consists of a tooth-and-slots board, detection submodules distributed along the track and a central processor.
紧急事件的定位采用紧急电话、巡逻车、手机及车载GPS接收机来对发生事故的车辆进行自动定位。
We use emergency phone, prowl car, mobile phone and GPS receiver on the vehicle to automatic locating.
本文采用了基于STR720的车载GPS设备的设计，并通过USB、UART接口升级软件，使用电子地图有效的对汽车进行定位。
This paper presents a design of vehicle GPS device based on the STR720, and through USB, UART interface upgrade software. Electronic maps can be effectively used in positioning of the car.
本文采用了基于STR720的车载GPS设备的设计，并通过USB、UART接口升级软件，使用电子地图有效的对汽车进行定位。
This paper presents a design of vehicle GPS device based on the STR720, and through USB, UART interface upgrade software. Electronic maps can be effectively used in positioning of the car.
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