| 城市二级光电测距三角高程导线精度分析 |
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| 引用本文： | 唐秋祥.城市二级光电测距三角高程导线精度分析[J].测绘科学,2010,35(5):140-141. |
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| 作者姓名： | 唐秋祥 |
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| 作者单位： | 湖南省第一测绘院,湖南衡阳,421001 |
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| 摘 要： | 本文对城市二级光电测距三角高程导线的误差来源进行了分析,并对其精度进行估算。根据实例分析,证明了城市二级光电测距高程导线可以代替五等水准测量。
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| 关 键 词： | 光电测距三角高程导线 对向高差 误差传播定律 高差中误差 |
Accuracy analysis of secondary electronic trigonometric elevation traverse for urban |
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| TANG Qiu-xiang.Accuracy analysis of secondary electronic trigonometric elevation traverse for urban[J].Science of Surveying and Mapping,2010,35(5):140-141. |
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| Authors: | TANG Qiu-xiang |
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| Abstract: | This paper analysed error sources based on the secondary electronic trigonometric vertical traverse for urban.At the same time accuracy estimation was made.In the end,it was proved that the method could replace the fifth grade leveling by a case study. |
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| Keywords: | electronic trigonometric elevation traverse bilateral elevation difference mean error propagation law square errors of elevation difference |
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