摘要
阐述了GPS做城市控制的优势,介绍了使用GPS做城市控制测量中如何选择点位、布设及施测以及控制网改造方案选定的方法,使用该方法其测量结果最大点位误差为0.6cm。
This paper elaborated the advantages of for urban control by using GPS and introduced the method of how to choose the measurement point, laid Measurement and making control network. It concludes that the largest point to errors is less than 0.6 cm.
出处
《地理空间信息》
2007年第5期79-80,共2页
Geospatial Information
关键词
GPS
城市测量
控制网
控制网平差
GPS
urban survey
control network
adjustment of control network