摘要
重点研究了GPS高程所能达到的精度,提出了提高GPS水准精度的措施,并用实例证明了GPS像控点三维信息应用的可行性。
The research of the precision of GPS height is focused on. Some measures of improving the precision of GPS height are put forward and the feasibility of the three-dimension information of GPS Photocontrol points is proved by the true example.
出处
《地理空间信息》
2004年第4期11-12,共2页
Geospatial Information
关键词
GPS
大地高
摄影测量
像控点
GPS
geodetic height
photogrammetry
photocontrol point
