| 基于InSAR技术对西部高山地区DEM的重建 |
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| 引用本文： | 薛继群,邓喀中,范洪冬,祝传广.基于InSAR技术对西部高山地区DEM的重建[J].测绘工程,2011,20(3):25-27,32. |
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| 作者姓名： | 薛继群 邓喀中 范洪冬 祝传广 |
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| 作者单位： | 中国矿业大学国土环境与灾害监测国家测绘局重点实验室;中国矿业大学江苏省资源环境信息工程重点实验室; |
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| 基金项目： | 国家自然科学基金资助项目(41071273); 高等学校博士学科点专项科研基金(20090095110002); 国家西部1:50000地形空白区测图工程子课题资助 |
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| 摘 要： | 合成孔径雷达干涉测量技术是一种获取地面数字高程模型(DEM)的新技术.介绍利用InSAR获取DEM的基本流程,阐述相位解缠的理论方法以及基线估计中获取地面控制点的方法与原则,通过实验获取西部某高山地区的DEM,并与SRTM DEM作比较、分析,总结出其存在局限性的原因.
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| 关 键 词： | 合成孔径雷达干涉测量 DEM重建 高山地区 SRTM DEM |
DEM reconstruction of western mountain area based on InSAR technology |
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| XUE Ji-qun,DENG Ka-zhong,FAN Hong-dong,ZHU Chuan-guang.DEM reconstruction of western mountain area based on InSAR technology[J].Engineering of Surveying and Mapping,2011,20(3):25-27,32. |
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| Authors: | XUE Ji-qun DENG Ka-zhong FAN Hong-dong ZHU Chuan-guang |
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| Institution: | XUE Ji-qun1,2,DENG Ka-zhong1,FAN Hong-dong1,ZHU Chuan-guang1,2 (1.Key Laboratory for Land Environment and Disaster Monitoring of SBSM,China University of Mining and Technology,Xuzhou 221116,China,2.Jiangsu Key Laboratory of Resources and Environmental Information Engineering,China) |
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| Abstract: | InSAR(Synthetic Aperture Radar Interferometry) is a new technology for achieving Digital Elevation Model(DEM).The paper introduces the basic flow of achieving DEM with InSAR technology and describes the theoretical method of phase unwrapping,at the same time the method and principle of obtaining ground control points among baseline evaluation processing are brought forward.Then,a DEM of the western mountain area was obtained,which also is compared and analyzed with SRTM-DEM.The reasons for their existence a... |
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| Keywords: | InSAR DEM reconstruction mountain area SRTMDEM |
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