李征航GPS的应用前景论文,共9讲,内容包括GPS在卫星导航定位服务系统、网络RTK、现代实时动态大地测量服务体系、变形监测、精密单点定位、利用双频GPS观测值建立电离层延迟模型、GPS气象学等方面的应用与前景展望。-Outlook Of The Application Of GPS Papers，Li Zhenghang

C++操作串口，读写串口程序，实时测量水位高度，随着水位不同而实时显示-C++ operation serial read and write serial procedures, real-time measurement of the water level, as the water level in different real-time display

RTK实时相位测量 坐标变换子程序 RTK初步程序设计-Real-time RTK RTK phase measurement coordinate transformation routines preliminary program design

基于wp手机平台的二等水准测量手簿。可自定义限差，自定义上点，自动步进点号，超限提醒，测站信息实时显示（BBFF所有读数，BF视距差，高差），所有测站信息成果输出。-WP mobile platform based on the two level of the manual book. Tolerance custom, custom, automatic step dot overrun reminder, station information is displayed in real t