双频GPS PPK技术在西藏公路线路测量中的应用

Application of Double Frequency GPS PPK in Line Measuring for Road in Tibet

通过Trimble 470 0双频GPS在青藏高原的应用实践 ,分析总结了坐标系转换、GPS测量模式选择。

Some techniques,such as transformation of coordinate system of GPS measuring mode and data processing,are analyzed on the basis of application of GPS in Qinghai-Tibet Plateau.The measurements of GPS have met the needs of the users.