【摘要】 介绍了吴江市D级GPS控制网改造过程中的数据处理,尤其是新旧控制网的衔接过程,探讨了选用起算点的方法,并对苏州独立坐标的使用提出了建议。该控制网的数据处理过程对其他城市做GPS控制网改造时有一定的参考价值。更多还原

【Abstract】 This paper introduces the data analysis and processing of Wujiang D-grade GPS control net,specially the connection of the old and new GPS control networks,disscussing the method of how to select starting points,and supplying some suggestions on how to use the independent coordinate system of Suzhou City.This date processing can also provide reference values for other cities to reform GPS control nets.更多还原