The accuracy and efficiency of the application of GPS in forest districts were improved effectively after building the GPS control network.
建立林区GPS控制网后，GPS在林区应用的精度和效率大大提高。
This paper introduces one practical method of free network quasi-stable adjustment applied in 2 dimension constrained adjustment of GPS control network.
介绍了自由网拟稳平差的一种实用方法在GPS控制网2维约束平差中的应用。
By using the after-treatment software GAMIT/GLOBK of high precision GPS, it treats with the observational data of class-B GPS control network for the Xiamen Jimei cross-sea bridge.
利用高精度GPS后处理软件GAMIT/GLOBK对厦门集美跨海大桥B级GPS控制网的实测数据进行处理，分析海潮对GPS控制网的影响，指出海潮改正对近海短时间GPS观测高程方向的影响可达数厘米。
This method realizes the 2 dimension constrained adjustment of GPS control network based on quasi-stable datum using classical adjustment of free networks and coordinate transformation method.
该方法采用经典自由网平差和坐标转换法实现基于拟稳基准的GPS控制网2维约束平差。
Based on the practice of high-grade highway tunnel GPS survey, establishment and data processing method for independent coordinate system of tunnel GPS control network are introduced in the paper.
本文根据生产实践，介绍了高等级公路隧道GPS控制网的建立及用于施工坐标系的数据处理方法。
The public transport intelligent management system is such a system with application of advanced techniques of information, electronic control, GPS and computer network.
智能公共交通系统是将信息、数据通信、电子控制、卫星定位、计算机网络等科学技术应用于整个公共交通系统中。
In this paper, the problems on best optimum design of GPS Engineering control network are discussed.
本文讨论了GPS工程控制网的最优化设计问题；
The article expounds the establishment method, establishment process, establishment principles and points for attention of the three dimensional control network in GPS highway engineering survey.
阐述了GPS公路勘测三维控制网的构建方法、构建过程、构建原则及注意事项。
GPS horizontal control network data processing.
GPS平面控制网的数据处理。
Establishment of GPS horizontal control network and the construction of Huangjingling Tunnel are introduced and data processing is analyzed t, o exemplify other similar projects to a great extent.
介绍了福厦铁路黄晶岭隧道GPS平面控制网的建立、施工情况，讨论了该隧道数据处理等方面的相关问题，以期对同类工程能有一定的借鉴作用。
With reference to the gravity survey, this paper describes the schemes of control network layout used with global positioning system (GPS) technique for Donghai Bridge project over sea.
结合重力测量，介绍利用GPS技术进行东海大桥跨海工程控制网的布设技术方案。
When estimated by inherent standard deviations of GPS receivers, the accuracy of lateral piercing can also meet the needs of a horizontal tunnel control network.
采用GPS接收机标称精度进行估算，其结果也满足隧道控制网的要求。
By means of GPS dummy network reference station positioning system, the ground control points for the calibration of remote sensing image were surveyed with the precision of centimeter level.
利用GPS虚拟网络参考站定位系统，以厘米级精度测定校正遥感图像的地面控制点。
GPS technique has been applied widely in establishing the kinds of control network. It is tested and verified whether GPS technique is applied to establish photo-control in hills Land.
应用GPS技术建立各种精度要求的控制网已相当普遍，能否用于丘陵地区的像片控制，需要实践来验证。
This paper takes Dashuipo GPS network as an example that only adopting the original data of the plane network and the adjustment method of the GPS network in the plane control system, moreo…
本文以大水坡GPS网为例，说明仅采用地面网的起算数据，在地面网的坐标系统中进行GPS网平差的方法，并对平差成果作多方面的分析比较。
This paper takes Dashuipo GPS network as an example that only adopting the original data of the plane network and the adjustment method of the GPS network in the plane control system, moreo…
本文以大水坡GPS网为例，说明仅采用地面网的起算数据，在地面网的坐标系统中进行GPS网平差的方法，并对平差成果作多方面的分析比较。
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