| 高速铁路平面控制网测量数据处理方法研究 |
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| 引用本文： | 王建民,王发祥.高速铁路平面控制网测量数据处理方法研究[J].工程勘察,2011(7):86-89. |
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| 作者姓名： | 王建民 王发祥 |
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| 作者单位： | 太原理工大学测绘科学与技术系;中铁十二局集团三公司; |
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| 摘 要： | 运用经典严密平差算法所设计的平差软件不能够完全适应高速铁路平面控制网数据处理的自动化,本文重点讨论了建立一次假定坐标运用后方交会逐点计算近似坐标,并与建立多个假定坐标系通过坐标转换计算近似坐标的方法进行对比分析,然后讨论进行整体平差采用Helmert方差分量估计验后定权的可行性,并且给出精度评定的方法,参考本文方法可以...
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| 关 键 词： | 后方交会 高速铁路 方差分量估计 |
Study on data processing methods in high-speed railway plane control net |
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| Wang Jianmin,Wang Faxiang.Study on data processing methods in high-speed railway plane control net[J].Geotechnical Investigation & Surveying,2011(7):86-89. |
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| Authors: | Wang Jianmin Wang Faxiang |
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| Affiliation: | Wang Jianmin1,Wang Faxiang2(1.Department of Surveying Science & Technology,Taiyuan University of Technology,Taiyuan 030024,China,2.The 3th Engineering Co.,Ltd.of China Railway 12th Bureau Group,China) |
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| Abstract: | Free stationing resection method is widely applied in high-speed railway construction survey.The classic adjustment software can't completely fit for automatic data processing of high-speed railway plane control net.This paper discusses a method which calculates approximate coordinates of all control points in an assumption coordinate system and the feasibility of taking Helmert variance components estimation for posteriori weights-making.At last,the method for accuracy assessment is given.The methods in th... |
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| Keywords: | resection high-speed railway variance component estimation |
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