| 广东省高程基准框架网改造升级技术设计研究 |
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| 引用本文： | 朱紫阳,许耿然,周建营. 广东省高程基准框架网改造升级技术设计研究[J]. 城市勘测, 2016, 0(3): 108-111. DOI: 10.3969/j.issn.1672-8262.2016.03.028 |
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| 作者姓名： | 朱紫阳 许耿然 周建营 |
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| 作者单位： | 广东省国土资源测绘院,广东 广州,510500 |
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| 基金项目： | 广东省国土资源厅科技资助项目(GDGTKJ2015003)，广东省2015年基础测绘新技术应用研究资助项目。 |
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| 摘 要： | 在广东省高程基准框架建设现有工作的基础上,结合国家第三期一等水准测量成果,对广东省高程基准框架网的技术设计进行研究,提出采用赫尔默特方差分量估计法进行水准路线定权,并对整网平差计算方法进行探讨,以期实现全省二、三等水准网的整网平差计算,最终达到与国家第三期一等水准网全面对接,完成对本地区高程基准框架网的全面改造升级。
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| 关 键 词： | 高程基准框架网 水准网设计 水准网动态平差 赫尔默特方差分量估计法 |
The research for Guangdong Region Height Datum Frame Network Upgrading Design |
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| Zhu Ziyang,Xu Gengran,Zhou Jianying. The research for Guangdong Region Height Datum Frame Network Upgrading Design[J]. Urban Geotechnical Investigation & Surveying, 2016, 0(3): 108-111. DOI: 10.3969/j.issn.1672-8262.2016.03.028 |
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| Authors: | Zhu Ziyang Xu Gengran Zhou Jianying |
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| Abstract: | This paper, on the basis of the existing achievement of the construction of Guangdong Height Datum Frame,presents the research of technical design of Guangdong Height Datum Frame Network using the results of the first order leveling data of the third-time measurement,and proposes using the Helmert variance components estimation meth-od for weighting,in addition explores the calculation method of integrated adjustment,in order to implement the calcula-tion of integrated adjustment of the second and third order leveling network of Guangdong and finally achieve the total project docking with the first order leveling network of the third-time measurement,completing the comprehensive upgra-ding of height framework network in local area. |
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| Keywords: | height datum frame network leveling network design leveling network dynamic adjustment helmert va-riance components estimation |
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