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Volume 32 Issue 11
Dec.  2010
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Tian Bin, Zhu Dai-Yin, Zhu Zhao-Da. Dual Channels SAR Ground Moving Target Detection with Eigen-decomposition of the Sample Covariance Matrix[J]. Journal of Electronics & Information Technology, 2010, 32(11): 2636-2641. doi: 10.3724/SP.J.1146.2009.01570
Citation: Tian Bin, Zhu Dai-Yin, Zhu Zhao-Da. Dual Channels SAR Ground Moving Target Detection with Eigen-decomposition of the Sample Covariance Matrix[J]. Journal of Electronics & Information Technology, 2010, 32(11): 2636-2641. doi: 10.3724/SP.J.1146.2009.01570

Dual Channels SAR Ground Moving Target Detection with Eigen-decomposition of the Sample Covariance Matrix

doi: 10.3724/SP.J.1146.2009.01570
  • Received Date: 2009-12-08
  • Rev Recd Date: 2010-04-21
  • Publish Date: 2010-11-19
  • A novel approach to moving target detection is proposed for dual-channel SAR system. This approach is on the basis of eigen-decomposition of the sample covariance matrix and examines the statistic of the second eigenvalue and the Along-Track Interferometric (ATI) phase for ground moving target indication. Based on this statistic, a new Constant False Alarm Rate (CFAR) detector can be designed to solve the problem of GMTI. To detect slow moving targets more accurately, the second eigenvalue and the ATI phase pre-thresholds are implemented before a CFAR detector. Experimental results on measured SAR data are presented to demonstrate that this novel detector has wider range of detection velocity and lower false alarm probability.
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  • Gierull C H. Statistics of SAR interferograms with application to moving target detection [R]. Technical Report TR 2001-045, Defence Research and Development, Canada,2001.[2]Budillon A, Pascazio V, and Schirinzi G. Moving target detection in along track SAR interferometry from in-phase and quadrature components data. Geoscience and Remote Sensing Symposium, Boston, USA, 2008: 1178-1181.[3]Chapin E and Chen C W. Airborne along-track interferometry for GMTI [J]. IEEE Transactions on Aerospace and Electronic Systems, 2009, 24(5): 13-18.[4]Lightstone L, Faubert D, and Rempel G. Multiple phase center DPCA for airborne radar. Proceedings of the 1991 IEEE National Radar Conference, Los Angeles, USA, 1991: 36-40.[5]Sikaneta I C, Gierull C H, and Houinard J Y. Metrics for SAR-GMTI based on eigen-decomposition of the sample covariance matrix. IEEE National Radar Conference, Adelaide, Australia, 2003: 442-477.[6]Sikaneta I C and Houinard J Y. Eigen-decomposition of the multi-channel covariance matrix with applications to SAR-GMTI [J]. IET Signal Processing, 2004, 84(9): 1501-1535.[7]袁昊,周荫清,李景文. 基于幅度和相位联合的ATI动目标检测新方法[J].北京航空航天大学学报.2007, 33(2):169-175Yuan Hao, Zhou Yin-qing, and Li Jing-wen. New method of ATI moving targets indication based on amplitude and phase thresholds [J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(2): 169-175.[8]时公涛, 匡纲要, 桂琳. 基于邻域平均和正交分解的双通道SAR图像域慢动目标检测方法[J].电子与信息学报.2009, 31(2):353-357浏览Shi Gong-tao, Kuang Gang-yao, and Gui Lin. A novel ground moving target detector in dual-channel SAR images based on adjacent average and orthogonal projection [J].Journal of Electronics Information Technology.2009, 31(2):353-357
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