【摘要】 本文简述了天津市12个GPS连续站高程方向的高精度数据处理方法,得到了一年多的高程时间序列图,反映了年度内地面沉降的动态信息,得到的地面沉降趋势与水准监测结果一致。最后的分析认为在一定条件下GPS连续观测站比水准监测的精度高,可以结合动态水准网平差来确定天津市的地面沉降。更多还原

【Abstract】 Based on the processing method of continuous GPS data in vertical,height series over one year are acquired.The result is consistence with that of leveling,and display dynamic information of land subsidence during this year.The ultimate analysis suggests that in some condition the accuracy of height by continuous GPS is better than by leveling,and GPS can be considered as dynamic datum for monitoring land subsidence in the further research.更多还原