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近几年来，全球通信技术的发展日新月异，尤其是无线通信技术的发展速度与应用领域已经超过了固定通信技术，呈现出如火如荼的发展态势。它具有无需架设传输线、网络部署迅速便捷、运行可靠和调试简单等优点。其中最具代表性的蜂窝移动通信技术，使人们可以随时随地实现语音通信、短信息传输等。但对于中短距离的自动化数据采集系统、计算机遥测遥控系统、车辆监控系统、小区智能管理和矿工定位等领域，移动通信系统的安装、运行成本是比较高的，因此笔者给出了一种低成本、具有短信息和语音传输功能的无线监控系统设计方案-In rece
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GPS/GSM车辆防盗报警及调度指挥系统是智能交通系统（ITS）的重要组成部分，它集全球定位技术(GPS)、蜂窝移动通信技术(GSM) 及地理信息系统技术(GIS)于一体，实现车辆的防盗报警、调度指挥，为交通部门及企、事业单位及个人用户实现车辆管理现代化提供了强有力的技术支持。-GPS / GSM vehicle anti-theft alarm and command system is intelligent transportation systems (ITS) important g
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GPS监控大桥健康状态系统,通过GPS的全球定位,采用OPENGL三维模型时时显示大桥的位移和摆动情况,判断桥是否可以通行!用的是NAVCOM模块和动态库-GPS monitoring bridge health systems, global positioning through GPS, using OPENGL display three-dimensional model from time to time displacement and Swing Bridge, the brid
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：以ARM9系列芯片S I、R912I W4,1X为核心，主要针对中低档扣普及性车型，设计和开发符合国家标准的新型汽车行驶记录仪． 介绍了行驶记录仪硬件，软件结构．包括数据采集、数据存储、与P(、机进行串口和USB通讯、I CD显示、GI S定位系统等在内的硬软件的组成部分．通过模拟实验研究。该记录仪可靠性高、使用方便； 自动导航和定位系统，包括全球卫星定位系统和电子地图也取得了较好的使用效果．-: The ARM9 family of chips SI, R912I W4, 1X as the
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随着电子商务技术和网络技术的快速发展，现代物流技术也在不断进步。物流技术是指与物流要素活动有关的所有专业技术的总称，包括各种操作方法、管理技能等，如流通加工技术、物品包装技术、物品标识技术、物品实时跟踪技术，物流存储技术等；物流技术还包括物流规划、物流评价、物流设计、物流策略等；当计算机网络技术的应用普及后，物流技术中综合了许多现代技术如GIS（地理信息系统）、GPS（全球卫星定位）、EDI（电子数据交换）、BAR CODE（条码）等。物流业在采用某些现代信息技术方面的成功经验和规范集成，为电子
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Software-defined radios (SDRs) have been around for more than a decade. The
first complete Global Positioning System (GPS) implementation was described
by Dennis Akos in 1997. Since then several research groups have presented their
contribution
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GPS全球定位系统开发，gps定位系统开发-GPS Global Positioning System, gps positioning systems development
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Fundamentals of Global Positioning System Receivers: A Software Approach-While GPS receivers abound in numerous applications, much of the information on their design is scattered in disparate and hard-to-find places. This new work provides engineers
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Engineering disciplines are those fields of research and development that
attempt to create products and systems operating in, and dealing with,
the real world. The number of disciplines is large, as is the range of scales
that they typically oper
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This thesis is to investigate the integration of Precise Point Positioning GPS and low cost
MEMS IMU. Both loosely and tightly coupled Kalman filters are developed to derive the
optimal navigation solution.Global Positioning System (GPS) and lo
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本书讲述了全球定位系统GPS的基本原理和概念。具体包括GPS测量原理，GPS的结构和发展历史.GPS伪距定位和载波相位定位的原理GPS中使用的坐标系和时间系统,C/A码的实现原理及载波调制过程，GPS信号捕获和跟踪原理及实现.便携式GPS系统的设计与实现及常用芯片资料等。-This book describes the basic principles and concepts of the Global Positioning System (GPS). Including the struc
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The Global Positioning System (GPS) is a space-based navigation system that provides location and time information in all weather conditions, anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites.[1
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The Global Positioning System (GPS) is a space-based navigation system that provides location and time information in all weather conditions, anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites.[1
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