gps在道路桥梁工程测量中的应用论文_毕业设计论文.doc

摘 要 GPS 技术是当今信息社会发展最快的技术之一GPS定位技术以其速度快精度高全天候不受通视条件限制、费用省、操作简便等优良特性被广泛应用于大地控制测量中。时至今日可以说GPS定位技术已完全取代了用常规测角、测距手段建立大地控制网。我们一般将应用GPS卫星定位技术建立的控制网叫GPS网。归纳起来大致可以将GPS 网分为两大类一类是全球或全国性的高精度GPS网其主要任务是做为全球高精度坐标框架或全国高精度坐标框架为全球性地球动力学和空间科学方面的科学研究工作服务或用以研究地区性的板块运动或地壳形变规律等问题。另一类是区域性的GPS网包括城市或矿区GPS 网GPS工程网等这类网中的相邻点间的距离为几公里至几十公里其主要任务是直接为国民经济建设服务。本文通过利用GPS对实地进行数据采集并得出使用GPS测量具有效率高费用省的结论 关键词: GPS测量，工程测量，GPS静态定位测量GPS实时定位 Abstract GPS technology is one of the fastest growing technology in todays information society, GPS positioning technology for its speed, precision degree is high, the all-weather, without being limited by the visibility conditions, cost, simple operation and other excellent features are widely used in large ground control survey. Today, to say the GPS positioning technology has been completely replace the conventional measuring Angle, measuring means to establish the control network. We usually apply the GPS satellite positioning technology based GPS control net is called net. Can be roughly classified into the GPS network can be divided into two categories: a class of high precision GPS network is global or national, its main task is to as a global high-precision coordinate frame or by the national high precision coordinate frame, for global geodynamics and space science scientific research work of the service, or to the research of regional tectonic movement or crustal deformation law and so on. Another kind is a regional GPS network, including the city or area GPS network, GPS engineering network, etc., this kind of the distance between adjacent points in the net for a few miles to a few tens of kilometers, its main task is to directly serve the national economic construction. Based on the field to make use of GPS data acquisition, and it is concluded that using GPS measurement with high efficiency and cost save. Key words: GPS,Engineering surveying,GPS static positioning measurement,Real-time dynamic GPS positioning 目 录 摘 要 I Abstract II 1引言 1 1.1 GPS