GPS论文.doc

I 武汉职业技术学院毕业设计(论文)任务书课题名称: 基于车载便携 GPS 设备的选型方案研究专业: 计算机信息管理班级: 信管 09302 设计者: 冯树新指导教师: 胡鹏时间: 2011-12-23 II 摘要 GPS 是随着现代科学技术的迅速发展而建立起来的新一代精密卫星导航定位系统,具有定位精度高、观测时间短、观测站间无需通视、能提供全球统一的地心坐标等特点。本文概述了 GPS 定位系统的发展,介绍了 GPS 定位系统的组成、工作原理,常见车载 GPS 接收器采用的 GPS 芯片种类,常见 GPS 地图生产厂商以及如何选择 GPS 地图等关键词:GPS 定位系统 GPS 接收机 GPS 定位原理车载 GPS GPS 地图 III Abstract GPS is built up with the rapid development of modern science and technology of new generation of satellite navigation and positioning systems, with high positioning accuracy, observation time was short, without intervisibility between observatories and to provide features such as global geocentric coordinates. This article outlines the development of GPS positioning system, GPS positioning system position was introduced, Common car GPS receiver and the chip type mon car GPS manufacturer mon GPS map and how to select the mpa of GPS Tags : GPS positioning systems GPS receiver and GPS location car GPS GPS map IV 目录 1 GPS 概述................................................................................................................. 1 GPS 概念............................................................................................. 1 GPS 系统的组成................................................................................. 1 GPS 空间部分......................................................................... 2 GPS 地面监控部分................................................................. 2 GPS 用户部分......................................................................... 3 2 GPS 的工作原理及实现方式................................................................................. 4 GPS 的工作原理................................................................................ 4 GPS 精确定位的实现方式................................................................. 5 3车载 GPS ................................................................................................................. 8 车载 GPS 概述.......................................