摘要
提出一种由GPS独立观测边组成闭合环的各坐标分量闭合差计算GPS平面控制网全中误差的公式。给出了根据地心直角坐标系各坐标分量计算平面上环闭合差的简化公式。根据《工程测量规范》各等级三角网、三边网的主要精度指标,计算了相应等级GPS平面控制网的全中误差指标。
In this paper, a formula is proposed to calculate the total mean square error of GPS horizontal network by circuit closures of coordinate components. At the same time, a simplified formula to calculate the circuit closures of horizontal coordinate of earth-centered, earth fixed (ECEF) coordinate is also given, then the total mean square errors of GPS horizontal network at various levels are calculated according to 'Engineering Surveying Specification' (Nation standard).
出处
《测绘工程》
CSCD
1996年第4期40-43,共4页
Engineering of Surveying and Mapping
关键词
GPS
平面控制网
误差
衡量法
GPS survey
Horizontal control network
Total mean square error
