基于CZCORS下常州轨道交通2号线平面控制网建立
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摘要
介绍在常州市卫星导航综合服务CZCORS下轨道交通2号线控制网选埋点、网形布设、野外观测、平差计算、质量控制、控制网分级布网优点及在实施中应进行框架网控制点稳定性分析等内容。因轨道交通建设为长线路工程,应正确选取工程投影面,建立轨道交通工程坐标系,并求出国家坐标系与轨道交通工程坐标转化参数。同时对如何提高观测精度、提高效益提出一些建议,供同类工程借鉴。
This paper introduces the selection of buried points,layout of network shape,field observation,adjustment calculation,quality control,advantages of hierarchical distribution of control network and stability analysis of control points of frame network in Changzhou satellite navigation integrated service CZCORS. Because the construction of rail transit is a long-line project,the projection plane of the project should be correctly selected,the coordinate system of the rail transit project should be established,and the transformation parameters between the national coordinate system and the coordinate system of the rail transit project should be calculated. At the same time,some experiences and suggestions are put forward on how to improve the observation accuracy and benefit,which can be used for reference by similar projects.
This paper introduces the selection of buried points,layout of network shape,field observation,adjustment calculation,quality control,advantages of hierarchical distribution of control network and stability analysis of control points of frame network in Changzhou satellite navigation integrated service CZCORS. Because the construction of rail transit is a long-line project,the projection plane of the project should be correctly selected,the coordinate system of the rail transit project should be established,and the transformation parameters between the national coordinate system and the coordinate system of the rail transit project should be calculated. At the same time,some experiences and suggestions are put forward on how to improve the observation accuracy and benefit,which can be used for reference by similar projects.
引文
[1] 林飞. 基于CORS的城市轨道交通GPS网的布设及精度分析[J]. 城市勘测,2017(3):83～85+89.
[2] 刘全海,王琰开. 基于常州CORS的常州三维速度场分析[J]. 城市勘测,2016(5):83～86.
[3] 王建文. 地铁精密导线网数据处理与精度评定[J]. 城市勘测,2015(2):109～111.
[4] GB/T 18314-2009. 全球定位系统(GPS)测量规范[S].
[5] 李征航,黄劲松. GPS测量与数据处理[M]. 武汉:武汉大学出版社,2015:219～313.
[6] 张慎清,张洋,谢友鹏等. 常州轨道交通精密导线控制网设计与实践[J]. 现代测绘,2014,37(6):18～20.
[7] 张萌,丁克良. GPS基线解算质量优化方法的研究[J]. 城市勘测,2012(4):95～98.
[8] 杨敬东,王成城,王继斌等. 成都市地铁一号线控制网的布设[J]. 四川测绘,2006(1):42～44+6.
[2] 刘全海,王琰开. 基于常州CORS的常州三维速度场分析[J]. 城市勘测,2016(5):83～86.
[3] 王建文. 地铁精密导线网数据处理与精度评定[J]. 城市勘测,2015(2):109～111.
[4] GB/T 18314-2009. 全球定位系统(GPS)测量规范[S].
[5] 李征航,黄劲松. GPS测量与数据处理[M]. 武汉:武汉大学出版社,2015:219～313.
[6] 张慎清,张洋,谢友鹏等. 常州轨道交通精密导线控制网设计与实践[J]. 现代测绘,2014,37(6):18～20.
[7] 张萌,丁克良. GPS基线解算质量优化方法的研究[J]. 城市勘测,2012(4):95～98.
[8] 杨敬东,王成城,王继斌等. 成都市地铁一号线控制网的布设[J]. 四川测绘,2006(1):42～44+6.