影响夏邑县煤田预查区GPS控制测量精度的问题

On measurement accuracy of GPS control in prediction area of coal field of Xiayi county

通过收集、实测原始数据,总结了在高大植被密集区进行GPS静态测量需要注意的几个问题,讨论对测量精度影响条件较多的情况下,如何保证高级别GPS控制网的精度,阐述了GPS网的平差处理,以期指导实践。

According to the collection and measurement of the original data,the paper sums up some precautions of GPS static measurement in tall plant concentrated areas,discusses the ways of how to have high-ranked accuracy GPS control network by considering many situations which will affect the measurement accuracy,and illustrates adjustment treatment,so as to direct the practice.