| 提高送电线路航测断面高程拟合精度的方法 |
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| 引用本文： | 孙建勇.提高送电线路航测断面高程拟合精度的方法[J].测绘与空间地理信息,2012,35(9):191-192. |
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| 作者姓名： | 孙建勇 |
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| 作者单位： | 河南省电力勘测设计院,河南郑州,450007 |
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| 摘 要： | 航测影像分辨率高、现势性强,采用航测影像进行送电线路平断面图的绘制是减少外业工作量,提高生产效率的主要手段。本文分析了航测平断面图高程误差产生的原因,提出了利用GPS RTK外业采集高程数据,提高航测平断面图高程拟合精度的方法。
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| 关 键 词： | 航测 GPSRTK 断面 高程拟合 |
The Method of Improving the Height Fitting Accuracy of Aerial Photogrammetric Power Transmission Line Horizontal Section |
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| SUN Jian-yong.The Method of Improving the Height Fitting Accuracy of Aerial Photogrammetric Power Transmission Line Horizontal Section[J].Geomatics & Spatial Information Technology,2012,35(9):191-192. |
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| Authors: | SUN Jian-yong |
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| Institution: | SUN Jian - yong ( Henan Electric Power Surveying and Designing Institute, Zhengzhou 450007, China) |
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| Abstract: | The aerial photogrammetric image is high in resolution and data currency, plotting power transmission line horizontal section using aerial photogrammetry is a main means of reducing field work and improving production efficiency. This paper analyzes the source of elevation error of aerial photogrammetric horizontal section, puts forward the methods of improving height fitting accuracy of aerial photogrammetric horizontal section through acquiring elevation data using GPS RTK. |
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| Keywords: | aerial photogrammetric GPS RTK section elevation fitting |
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