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遥感技术与应用  2013, Vol. 28 Issue (1): 18-26    DOI: 10.11873/j.issn.1004-0323.2013.1.18
图像与数据处理     
大区域稀疏控制条件下的多条带InSAR数据的联合定标研究
张薇1,2,靳国旺3,向茂生4
(1.民政部国家减灾中心,北京 100124;2.民政部减灾与应急工程重点实验室,北京 100124;
3.信息工程大学,河南 郑州 450052;4.中国科学院电子学研究所微波成像技术国家级重点实验室,北京 100190)
Study on Unite Calibration of Multi-strips InSAR Data under the Sparse Control in Large Area
Zhang Wei1,2,Jin Guowang3,Xiang Maosheng4
(1.National Disaster Reduction Center of China,Ministry of Civil Affairs,Beijing 100124,China;
2.Key Laboratory of Disaster Reduction and Emergency Response Engineering of the
Ministry of Civil Affairs,Beijing 100124,China;
3.Information Engineering University,Zhengzhou 450052,China;
4.National Key Lab of Microwave Imaging Technology,Institute of Electronics,
Chinese Academy of Sciences,Beijing 100190,China)
 全文: PDF(3690 KB)  
摘要:

利用干涉SAR的DEM做大区域测图应用中,针对干涉SAR多条带拼接时出现的重叠区高程不一致问题,首次提出了利用条带间重叠区连接点进行多条带联合定标方案,减少了地面控制点的数量需求,降低了野外采集地面控制点的工作量,解决了多条带干涉SAR数据的高程不一致问题,突破了干涉SAR技术用于大区域测图的瓶颈。同时为了解决大区域多普勒中心频率的漂移问题,提出利用控制点估计多普勒中心频率线性漂移的方法。利用中国科学院电子学研究所自主设计、研制的机载干涉SAR系统数据,进行了定标处理实验,验证了方法的正确性和有效性。

关键词: 干涉合成孔径雷达(合成孔径雷达干涉测量)干涉参数定标条带联合定标地面控制点    
Abstract:

For the applied survey and map with airborne InSAR,to solve the problem of height’s difference in the overlap area of multiple InSAR strips,unite calibration method using connect points in overlap area of multiple InSAR strips is proposed.The proposed method can reduce the needed GCPs’ number,solve the problem of height’s difference in multiple InSAR strips,and broke the bottleneck of using InSAR technique to survey and map in large area.The method of using GCPs to estimate the linearity trend of Doppler centroid frequency along azimuth direction in long strip InSAR data is also proposed.Some airborne InSAR data derived by Institute of Electronics,Chinese Academy of Sciences,were used to do calibration experiments with the proposed processor.Their results demonstrated that is efficient.

Key words: Interferometric Synthetic Aperture Radar    Interferometric parameters calibration    Strip unite calibration    Ground Control Points(GCPs)
收稿日期: 2011-11-23 出版日期: 2013-06-21
:  TP 79  
基金资助:

国家863计划项目(2012AA121305),国家自然科学基金项目(40771142、40871213、41071296)和中国博士后科学基金(200801111)。

作者简介: 张薇(1980-),女,河北唐山人,博士,助理研究员,主要从事干涉合成孔径雷达信号处理、合成孔径雷达在减灾领域的应用研究。Email:zhangwei@ndrcc.gov.cn.
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引用本文:

张薇,靳国旺,向茂生. 大区域稀疏控制条件下的多条带InSAR数据的联合定标研究[J]. 遥感技术与应用, 2013, 28(1): 18-26.

Zhang Wei,Jin Guowang,Xiang Maosheng. Study on Unite Calibration of Multi-strips InSAR Data under the Sparse Control in Large Area. Remote Sensing Technology and Application, 2013, 28(1): 18-26.

链接本文:

http://www.rsta.ac.cn/CN/10.11873/j.issn.1004-0323.2013.1.18        http://www.rsta.ac.cn/CN/Y2013/V28/I1/18

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[2] 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.
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