| 工程GPS平面控制网的精度衡量方法 |
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| 引用本文： | 牛卓立.工程GPS平面控制网的精度衡量方法[J].测绘工程,1996,5(4):40-43. |
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| 作者姓名： | 牛卓立 |
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| 作者单位： | 中国有色金属工业西安勘察院 |
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| 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。
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| 关 键 词： | GPS 平面控制网 误差 衡量法 |
The Precision Measured Method for GPS Engineering Control Network |
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| Niu Zhuoli.The Precision Measured Method for GPS Engineering Control Network[J].Engineering of Surveying and Mapping,1996,5(4):40-43. |
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| Authors: | Niu Zhuoli |
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| Abstract: | 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). |
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| Keywords: | GPS survey Horizontal control network Total mean square error |
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