【摘要】 基于拓展VRS系统应用领域的需求,文中介绍了VRS系统定位中的主要误差源及其对定位精度的影响程度,推导了基于综合误差内插算法的VRS数学模型,从理论上对VRS快速动态定位和差分事后处理获得的点位坐标精度进行了估算。从而为深入研究VRS系统提供一些理论上的参考,为系统在高精度要求的测绘工程项目上的应用提供可行性依据,拓展了系统的应用空间。更多还原

【Abstract】 Based on the expanding of VRS(Virtual Reference Station),this paper analyzed the errors and their influences on the positioning accuracy.Besides,the paper introduced the work principle of VRS,and deduced its mathematic model in detail based on the method of integrated bias interpolation.In theory it also demonstrated the point coordinates precision through the VRS fast dynamic positioning and precise difference post-processing technology.Thereby,this paper provided some theoretical references for the further research of VRS.Meanwhile it can be made as the feasibility consult for the applications of the VRS technology in the engineering items which need high precision.Finally,the applications space was also extended in the paper.更多还原