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利用机载双天线InSAR数据生成高精度DEM的试验研究——以大面积丘陵地区为例

DOI: 10.6046/gtzyyg.2014.01.17, PP. 97-102

Keywords: 机载,InSAR,丘陵地区,DEM,高精度

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Abstract:

机载双天线InSAR(interferometricsyntheticapertureRadar)是获取高精度数字高程模型(digitalelevationmodel,DEM)的新技术。为了获取大面积高精度的DEM,在已有的应用机载InSAR数据生成DEM流程的基础上,引入精确干涉参数定标和区域网平差处理技术,提出了利用国产机载双天线InSAR数据生成丘陵地区大面积、高精度DEM的技术流程,主要包括干涉定标、干涉处理、区域网平差、相高转换、地理编码和影像镶嵌;基于VC++开发了InSAR地形制图处理系统。以四川江油试验区4个条带、76景高分辨率机载InSAR数据为基础进行试验研究,生成了覆盖超过500km2的高精度DEM。利用野外布设的角反射器检查点进行精度检验的结果是点位中误差为±1.188m,高程中误差为±0.508m。该结果表明:应用上述技术流程生成的DEM能满足丘陵地区1:1万比例尺一级高程中误差的精度要求;机载InSAR可作为复杂地区大面积地形测图制取的一种技术手段。

References

[1]  孙中昶, 郭华东, 李新武.机载双天线InSAR数据生成高精度DEM的误差分析[J].高技术通讯, 2012, 22(2):171-179. Sun Z C, Guo H D, Li X W.Error analysis of high precision DEM generated from airborne dual-antenna interferometric SAR data[J].Chinese High Technology Letters, 2012, 22(2):171-179.
[2]  Li X P, Baker A B, Hutt T.Accuracy of airborne IFSAR mapping[C]//Proceedings of the American Society of Photogrammetry and Remote Sensing, XXⅡ International Congress, Washington, USA.2002.
[3]  Wimmer C, Siegmund R, Schwabisch M, et al.Generation of high precision DEMs of the Wadden Sea with airborne interferometric SAR[J].IEEE Transactions on Geoscience and Remote Sensing, 2000, 38(5):2234-2245.
[4]  Mercer B.National and regional scale DEMs created from airborne InSAR[C]//ProcPIA, 2007, 36(3):W49A.
[5]  黄国满, 张继贤, 赵争, 等.机载干涉SAR测绘制图应用系统研究[J].测绘学报, 2008, 37(3):277-279. Huang G M, Zhang J X, Zhao Z, et al.Research on airborne SAR interferometry mapping system[J].Acta Geodaetica et Cartographica Sinica, 2008, 37(3):277-279.
[6]  Xiang M S, Wu Y R, Li S E, et al.Introduction on an experimental airborne InSAR system[C]//Proceedings of the 2005 IEEE International Geoscience and Remote Sensing Symposium, Seoul Korea:IEEE, 2005(7):4809-4812.
[7]  刘艳华, 赵争, 黄国满.机载InSAR数据自动生成DEM技术及其在内蒙古丰镇地区的应用[J].地学前缘, 2006, 13(3):104-107. Liu Y H, Zhao Z, Huang G M.Automatic DEM generation technology by airborne InSAR data and its application to Fengzhen, Inner Mongolia[J].Earth Science Frontiers, 2006, 13(3):104-107.
[8]  Sun Z C, Guo H D, Li X W, et al.DEM generation and error analysis using the first Chinese airborne dual-antenna interferometric SAR data[J].International Journal of Remote Sensing, 2011, 32(23):8485-8504.
[9]  杨怀宁, 郭华东, 韩春明.机载InSAR敏感度方程定标限制条件的仿真实验[J].高技术通讯, 2010, 20(10):1049-1054. Yang H N, Guo H D, Han C M.Imitation experiment on the parameter requirements of the sensitivity equation-based calibration for airborne InSAR[J].Chinese High Technology Letters, 2010, 20(10):1049-1054.
[10]  张薇, 向茂生, 吴一戎.基于正侧视模型的机载双天线干涉SAR外定标方法[J].遥感技术与应用, 2008, 23(3):346-350. Zhang W, Xiang M S, Wu Y R.Studies on outside calibration method based on the boresight model for dual-antenna airborne interferometric SAR[J].Remote Sensing Technology and Application, 2008, 23(3):346-350.
[11]  马婧, 尤红建, 胡东辉.FLeberl模型与干涉测量模型相结合的InSAR影像区域网平差[J].红外与毫米波学报, 2012, 31(3):271-276. Ma J, You H J, Hu D H.Block adjustment of InSAR images based on the combination of FLeberl and interferometric models[J].Journal of Infrared and Millimeter Waves, 2012, 31(3):271-276.
[12]  国家测绘局测绘标准化研究所.CH/T1008—2001基础地理信息数字产品1:10 000, 1:50 000数字高程模型[S].北京:国家测绘局, 2001. National Institute of Surveying and Mapping Standardization.CH/T1008—2001digital products of fundamental geographic information 1:10 000, 1:50 000 digital elevation models[S].Beijing:State Bureau of Surveying and Mapping, 2001.

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