采用地基合成孔径雷达技术提取DEM的方法研究Study on DEM extraction with ground-based SAR interferometry
董妍,董杰
摘要(Abstract)：
文章研究了基于地基合成孔径雷达技术的两种DEM测高模型——近似测高模型和改进测高模型,根据星载雷达测高原理推导了这两种模型,并分析模型的精度。通过对近似测高模型中的平行射线近似处理方法进行量化分析,指出近似处理方法引入的高程误差不能被忽略。本文对改进测高模型中各参数的误差传播系数进行了仿真分析,结果表明改进测高模型提高了理论测高精度,并可采用增加基线长度和缩短斜距的方法提高测高精度。
关键词(KeyWords)： 地基合成孔径雷达;DEM;测高模型;精度分析
基金项目(Foundation):
作者(Author): 董妍,董杰
DOI: 10.16251/j.cnki.1009-2307.2014.12.005
参考文献(References)：
- [1]H A Zebker,Goldstein R M.Topographic mapping from interferometric synthetic aperture radar observations[J].J.geophys.Res.,1986,91(B5):4993-4999.
- [2]R Bürgmann,Rosen P A,Fielding E J.Synthetic aperture radar interferometry to measure Earth's surface topography and its deformation[J].Annual review of earth and planetary sciences,2000,28(1):169-209.
- [3]P A Rosen,Hensley S,Joughin I R,et al.Synthetic aperture radar interferometry[C]//Proceedings of the IEEE,2000,88(3):333-382.
- [4]E Rodriguez,Martin J M.Theory and design of interferometric synthetic aperture radars[J].Radar and Signal Processing,1992,139(2):147-159.
- [5]L Noferini,Pieraccini M,Mecatti D,et al.Using GBSAR technique to monitor slow moving landslide[J].Engineering Geology,2007,95(3-4):88-98.
- [6]G Luzi,Pieraccini M,Mecatti D,et al.Monitoring of an Alpine Glacier by means of ground-based SAR interferometry[J].IEEE Geoscience and Remote Sensing Letters,2007,4(3):495-499.
- [7]M Pieraccini,Tarchi D,Rudolf H,et al.Interferometric radar for remote monitoring of building deformations[J].Electronics Letters,2000,36(6):569-570.
- [8]D Tarchi,H Rudolf,G Luzi,et al.SAR interferometry for structural changes detection:a demonstration test on a dam[C]//Proceedings of IEEE International Geoscience and Remote Sensing Symposium.Hamburg:IEEE,1999:1522-24.
- [9]L Noferini,Pieraccini M,Mecatti D,et al.DEM by ground-based SAR interferometry[J].IEEE Geoscience and Remote Sensing Letters,2007,4(4):659-663.
- [10]G Nico,Leva D,Antonello G,et al.Ground-based SAR interferometry for terrain mapping:theory and sensitivity analysis[C]//IEEE Transactions on Geoscience and Remote Sensing 2004,42(6):1344-1350.
- [11]祝传广,邓喀中,等.基于D-InSAR的大屯地区沉降监测研究[J].测绘科学,2011,36(2).