张恭二级公路GPS平面控制网建立方案浅析

Abstract院Zhangjiachuan county develops rapidly in order to create a good investment environment and promote the connectionsbetween the county and the Tianping railway Zhangjiachuan-Gongmen second-class road is planned and built. The construction task istight and the construction difficult is huge in order to ensure the construction quality and provide accurate and reliable measurementguarantee for engineering construction the GPS horizontal control network is layout in the construction site.院GPS 平面控制网 GPS 静态控制 COSAGPS 软件 三维无约束网平差 GPS 高程拟合Key words院GPS horizontal control network GPS static control COSAGPS software three dimensional unconstrained network adjustment GPS elevation fitting中图分类号院P228.4 文献标识码院A 文章编号院1006-4311（2014）27-0221-02