摘要
本文从城市地域扩展等原因出发,分析了南京市首级平面控制网必须改造的各种因素;阐述了92新二网坐标系的定义及控制网改造的实施与精度;最后在二网建成后,对各项资料的利用提出了合理的技术处理方法,并已在实践中得到应用。
Starting from the reason of developing of the urban region, all factors are analyzed which the first order plant network in Nanjing must be reconstructed. The definition of 92' new second order network is mentioned, and the carrying out and precise of reconstruction of network is mentioned too. Finally the reasonable technological processing method is developed for the using of all data, which has applied in the practice.
出处
《江苏测绘》
1999年第2期11-15,共5页
Jiangsu Surveying and Mapping
关键词
二等三角网
椭球参数
平面控制网
城市测量
the second order triangulation network, Reconstruction of the control network, ellipsoid parameter, the coordinate system of Nan- jing-