| 高速铁路控制网投影方法选取 |
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| 引用本文： | 王文庆.高速铁路控制网投影方法选取[J].测绘信息与工程,2012,37(4):17-18,21. |
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| 作者姓名： | 王文庆 |
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| 作者单位： | 中铁上海设计院集团有限公司,上海市天目中路291号,200333 |
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| 摘 要： | 结合沪杭高速铁路,从满足投影长度小于10mm/km的要求出发,探讨了高速铁路控制网投影的选取方法,得出了一些有益的结论。
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| 关 键 词： | 高斯投影 通用横轴墨卡托投影 兰勃特投影 斜轴墨卡托投影 投影长度变形 |
Selection of Projection Modes of High-speed Railway |
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| WANG Wenqing.Selection of Projection Modes of High-speed Railway[J].Journal of Geomatics,2012,37(4):17-18,21. |
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| Authors: | WANG Wenqing |
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| Institution: | WANG Wenqing (China Railway Shanghai Design Institute Group Co. ,Ltd, 291 Middle Tianmu Road, Shanghai 200333, China) |
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| Abstract: | Gauss projection is generally used in control network of China＇s high speed railroads. It is used for North-South railroads,while East-West railroads have to be divided into many projec- tion zones,which causes a lot of inconvenience to the design and construction. We discuss the se- lection of projection method in the case study of Shanghai-Hangzhou high speed railroad. |
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| Keywords: | Gauss projection UTM projection lambert projection oblique mercator projection projection length distortion |
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