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遥感技术与应用  2008, Vol. 23 Issue (3): 346-350    DOI: 10.11873/j.issn.1004-0323.2008.3.346
图像处理     
基于正侧视模型的机载双天线干涉SAR外定标方法
张薇1,2,向茂生1,吴一戎1
(1.中国科学院电子学研究所微波成像技术国家重点实验室,北京 100190;
2.中国科学院研究生院,北京 100039)
Studies on outside Calibration Method Based on the Boresight Model for Dual-antenna Airborne Interferometric SAR
ZHANG Wei 1,2,XIANG Mao-sheng 1,WU Yi-rong 1
 (1.The National Key Lab.of Microwave Imaging Technology,Institute of Electronics,Chinese Academy of Sciences,Beijing 100190,China;2.Graduate School of the Chinese Academy of Sciences,Beijing 100039,China)
 全文: PDF(907 KB)  
摘要:

采用基于敏感度方程的方法,研究了基于正侧视成像模型下的机载双天线干涉SAR系统的外定标问题。算法通过对干涉成像方程各参数求导,得到基于敏感度方程的误差模型,并在此基础上,依据若干地面控制点的精确数据,求解干涉参数偏差。通过迭代求解,得到定标后的干涉参数,并生成精确的数字高程模型及对地面目标点进行定位。利用我国自主设计、研制的机载干涉SAR系统获得的数据,进行了外定标处理实验,验证了方法的有效性。

关键词: 干涉合成孔径雷达(合成孔径雷达干涉测量)外定标敏感度方程地面控制点    
Abstract:

Based on the boresight model for the Dual\|antenna Airborne InSAR,the outside calibration was researched by adopting sensitivity equations.The error model based on sensitivity equations was educed by differentiating InSAR imaging equations.Then the biases of interferometric parameters were solved by several accurate Ground Control Points(GCPs). The calibrated interferometric parameters were calculated by iteration method.And the accurate Digital Elevation Model (DEM) was reconstructed.Then the ground points were oriented.A set of InSAR data was adopted to do calibration experiments,which was derived by the Airborne InSAR system researched independently by Institute Of Electronics,Chinese Academy Of Sciences.The experimental results show that this algorithm is efficient.

 

Key words: InSAR    Outside calibration    Sensitivity equations    Ground control points
收稿日期: 2007-12-11 出版日期: 2011-10-25
:  TN 958  
基金资助:

863项目“机载双天线InSAR数据处理技术研究及软件开发(2005AA133014)”。

作者简介: 张薇(1980-):女,博士研究生,主要从事干涉合成孔径雷达信号处理技术的研究。E-mail:rruun@126.com。
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引用本文:

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 Wei,XIANG Mao-sheng,WU Yi-rong. Studies on outside Calibration Method Based on the Boresight Model for Dual-antenna Airborne Interferometric SAR. Remote Sensing Technology and Application, 2008, 23(3): 346-350.

链接本文:

http://www.rsta.ac.cn/CN/10.11873/j.issn.1004-0323.2008.3.346        http://www.rsta.ac.cn/CN/Y2008/V23/I3/346

[1] Mallorqui J J,Rpsado I,Bara M.Interferometric Calibration forDEM Enhancing and System Characterization in Single Pass SAR Interferometry[C].IEEE,2001,404-406.
[2] Wang Y P.Studies on Calibration Model and Algorithm forAirborne Interferometric SAR[D].Institute of Electronics Chinese Academy of Sciences,2003.[王彦平.机载干涉SAR定标模型与算法研究[D].中国科学院电子学研究所,2003.]
[3] Zhang X D.Matrix Analysis and Application[M].Beijing: Qinghua University,2004:85-95.[张贤达.矩阵分析与应用[M].北京:清华大学出版社,2004:85-95.]
[4] Dall J,Grinder-Pedersen J,Madsen S N.Calibration of a HighResolution Airborne 3-D SAR[C].IEEE,1997,1018-1021.
[5] Dall J,Madsen S N,Kerller K,et al.Using Airborne SAR Interferometry to Measure the Elevation of a Greenland Ice Cap[C].IGARSS'2000,Hawaii,USA,2000:1125-1127.
[6] Mallorqui J J,Bara M,Broquetas A.Calibration Requirementsfor Airborne SAR Interferometry [C]. Proceesings Europto2000,SAR Image Analysis,Modeling and Techniques III Vol.4173,SPIE,2000:267-278.
[7] Wang Y P,Peng H L,Yun R S.Locating Calibrators in Airborne InSAR Calibration[J].Journal of Electronics& Information Technology,2004,26(1):89-94.[王彦平,彭海良,云日升.机载干涉合成孔径雷达定标中的定标器布放[J].电子与信息学报,2004,26(1):89-94.]
[8] Xu S Q.Mother Earth Measure Science[M].Wuhan: WuhanMapping Science Technology University Press,1996:242-249.[徐绍铨.大地测量学[M].武汉:武汉测绘科技大学出版社,1996:242-249.]

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