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双站SAR的海面速度聚束调制机理研究

余颖 王小青 朱敏慧 肖疆

余颖, 王小青, 朱敏慧, 肖疆. 双站SAR的海面速度聚束调制机理研究[J]. 电子与信息学报, 2008, 30(12): 2840-2843. doi: 10.3724/SP.J.1146.2007.01375
引用本文: 余颖, 王小青, 朱敏慧, 肖疆. 双站SAR的海面速度聚束调制机理研究[J]. 电子与信息学报, 2008, 30(12): 2840-2843. doi: 10.3724/SP.J.1146.2007.01375
Yu Ying, Wang Xiao-Qing, Zhu Min-Hui, Xiao Jiang. A Study on Bistatic SAR Velocity Bunching Modulation of Ocean Surface[J]. Journal of Electronics and Information Technology, 2008, 30(12): 2840-2843. doi: 10.3724/SP.J.1146.2007.01375
Citation: Yu Ying, Wang Xiao-Qing, Zhu Min-Hui, Xiao Jiang. A Study on Bistatic SAR Velocity Bunching Modulation of Ocean Surface[J]. Journal of Electronics and Information Technology, 2008, 30(12): 2840-2843. doi: 10.3724/SP.J.1146.2007.01375

双站SAR的海面速度聚束调制机理研究

doi: 10.3724/SP.J.1146.2007.01375
基金项目: 

国家自然科学基金(40706063)资助课题

A Study on Bistatic SAR Velocity Bunching Modulation of Ocean Surface

  • 摘要: 为了利用双站SAR对海洋进行研究,首先必须正确理解双站SAR对海面成像的调制机理。而速度聚束调制是SAR所特有的调制机理。该文推导出平飞斜视情况下双站SAR图像平面中方位向强度变化表达式,定量地描述了目标方位位置偏移量和方位向分辨率的下降程度。并在线性近似条件下,求得双站SAR的线性速度聚束调制传递函数。通过仿真分析,定性地给出载机观测条件对双站SAR海浪线性成像范围大小的影响。
  • [1] Moccia A.[J].Rufino G, and DErrico M, et al.. BISSAT: Abistatic SAR for earth observation. Phase A StudyFinalReport, ASI Research contract I/R/213/0.2001,:- Martin M, Klupar P, and Kilberg S, et al.. Techsat 21 andrevolutionizing space missions using microsatellites. 15th Am.Inst. of Aeronaut. and Astronaut. Conf. on Small Satellites2001, Utah, USA, 2001, SSC01-1-3. [2] Massonnet D. Capabilities and limitations of theinterferometric cartwheel[J].IEEE Trans. on Geoscience andReomte Sensing.2001, 39(3):506-520 [3] 刘建平, 梁甸农. 星载双/多站SAR系统地面分辨特性影响分析. 信号处理, 2006, 22(3): 307-311.Liu Jian-ping and Liang Dian-nong. Effect analysis of groundresolution performance for bi-and multi-static spaceborneSAR system. Signal Processing, 2006, 22(3): 307-311. [4] 张勇胜, 梁甸农, 董臻. 星载寄生式SAR系统频率同步分析.国防科技大学学报, 2006, 28(2): 85-110.Zhang Yong-sheng, Liang Dian-nong, and Dong Zhen.Analysis of frequency synchronization error in spaceborneparasitic SAR system. Journal of National University ofDefense Technology, 2006, 28(2): 85-110. [5] 李宁, 何峰, 梁甸农. 双站SAR距离徙动算法. 现代电子技术,2007, (5): 38-40.Li Ning, He Feng, and Liang Dian-nong. Range migrationalgorithm of bistatic SAR. Modern Electronic Technology,2007, (5): 38-40. [6] 朱振波, 汤子跃, 蒋兴舟. 机载双站合成孔径雷达ChirpScaling成像算法[J].电子与信息学报.2006, 28(6):977-981浏览 [7] Alpers W R, Rufenach C L, and Ross D B. On theDetectability of ocean surface waves by real and syntheticaperture radar[J].Journal of Geophysical Research.1981,86(C7):6481-6498 [8] Alpers W R and Rufenach C L. The effect of orbital motionson synthetic aperture radar imagery of ocean waves[J].IEEETrans. on Antennas and Propagation.1979, 27(5):685-690 [9] Bruning C, Alpers W R, and Schroter J G. On the focusing1 of synthetic aperture radar imaging of ocean waves[J].IEEE Trans. on Geoscience and Reomte Sensing.1991, 29(1):120-128 [10] Moccia A, Rufino G, and DeLuca M. Oceanographicapplications of spaceborne bistatic SAR. Geoscience andRemote Sensing Symposium, IGARSS '03, Toulouse, France,2003: 1452-1454. [11] Plant W J. A stochastic, multiscale model of microwavebackscatter. Journal of Geophysical Research, 2002, 107(C9):3120.
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出版历程
  • 收稿日期:  2007-08-29
  • 修回日期:  2007-12-21
  • 刊出日期:  2008-12-19

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