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| EDM高程导线测量中的效率和精度问题探讨 | |
| 引用本文： | 杨晋强,李辉,李建文.EDM高程导线测量中的效率和精度问题探讨[J].海洋测绘,2007,27(3):31-33. |
| 作者姓名： | 杨晋强 李辉 李建文 |
| 作者单位： | 1. 68011部队,甘肃,兰州,730020;解放军信息工程大学,测绘学院,河南,郑州,450052 2. 68011部队,甘肃,兰州,730020 3. 解放军信息工程大学,测绘学院,河南,郑州,450052;武汉大学,卫星导航定位技术研究中心,湖北,武汉,430079 |
| 摘 要： | 随着全站仪测角测距精度的提高,在高程联测中,用EDM高程导线测量代替三四等水准测量,成为外业高程测量的重要方法之一。分析了影响EDM高程导线测量精度的因素,讨论了提高EDM高程导线测量精度的办法,提出了效率函数的概念,并以某测区三级GPS大地控制网高程联测数据为例,从精度和效率方面进行了计算对比分析。 |
| 关 键 词： | 电磁波测距 误差控制 次优距 效率函数 |
| 文章编号： | 1671-3044（2007）03-0031-03 |
| 修稿时间： | 2006-12-192007-02-10 |
Research on the Problem of Precision and Efficiency In EDM Trigonometric Leveling |
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| YANG Jin-qiang,LI Hui,LI Jian-wen.Research on the Problem of Precision and Efficiency In EDM Trigonometric Leveling[J].Hydrographic Surveying and Charting,2007,27(3):31-33. | |
| Authors: | YANG Jin-qiang LI Hui LI Jian-wen |
| Institution: | 1. 68011 Troops, Lanzhou, Gansu,730020 ; 2. Institute of Surveying and Mapping, Information Engineering University, Zhengzhou, Henan, 450052 ; 3. GPS Engineering Research Center of Wuhan University, Wuhan, Hubei,430079 |
| Abstract: | With the angle and distance measurement's precision improvement of total station instrument,EDM trigonometric leveling has become major method in leveling.At first,error effects are analyzed in the paper.Then the methods of precision improvement of EDM trigonometric leveling are discussed.In order to assess the efficiency of different methods,a concept of efficiency equation is presented.At last,an example is given to compare the precision and efficiency in different methods. |
| Keywords: | EDM error control better distance efficiency equation |
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