利用PoPS软件处理分析南口形变监测网的资料

DATA PROCESSING AND ANALYSIS OF THE NANKOU GEODYNAMIC NETWORK IN BEIJING WITH PoPS SOFTWARE

本文利用PoPS软件处理了北京南口形变监测网1989年10月用WM101单频GPS接收机观测的资料及1988、1989年地面精密激光测距平差后的资料,介绍了GPS数据的筛选方法,分析了该网GPS观测结果的精度。通过三期观测结果的对比,有力地说明在小网中单频GPS测量精度至少可达到与地面测量结果相当的精度,表明在短距离水平形变网的监测中采用单频GPS接收机进行观测是可行的。

The GPS data of the Nankou geodynamic network in Beijing observed in October 1989 with WM 101 receivers and the adjusted geodetic data obtained in 1988, 1989 through precise EDM(Electronic Distance Measurement) are processed by the PoPS software. In this paper the data screening of observed GPS data is described, and the accuracy of GPS survey is analysed by comparison with the EDM data. The analysis shows that in small networks single frequency GPS survey could reach at least the accuracy of precise EDM data, and that it is feasible to use single frequency receivers for moni—toring crustal deformation in these networks.