摘要
利用重力场模型、数字高程模型、水准测量成果和GPS技术,采用重力法与移去恢复技术,分析和研究了益阳城区似大地水准面精化获取的技术和方法,并对获取的似大地水准面进行了精度评定。
The gravity model,digital elevation model,leveling survey results and global position system technology are used with gravity method and remove-restore technology,to analyze and study technology and method of Yiyang city＇s quasi-geoid refineing acquirement.The precision of quasi-geoid acquired is evaluate.
出处
《测绘信息与工程》
2011年第5期46-48,51,共4页
Journal of Geomatics
