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基于方位频率去斜的滑动聚束SAR成像算法

邓云凯 贾小雪 冯锦 徐伟

邓云凯, 贾小雪, 冯锦, 徐伟. 基于方位频率去斜的滑动聚束SAR成像算法[J]. 电子与信息学报, 2010, 32(11): 2655-2660. doi: 10.3724/SP.J.1146.2009.01473
引用本文: 邓云凯, 贾小雪, 冯锦, 徐伟. 基于方位频率去斜的滑动聚束SAR成像算法[J]. 电子与信息学报, 2010, 32(11): 2655-2660. doi: 10.3724/SP.J.1146.2009.01473
Deng Yun-Kai, Jia Xiao-Xue, Feng Jin, Xu Wei. Sliding Spotlight SAR Data Processing Using the Azimuth Frequency De-ramping Algorithm[J]. Journal of Electronics & Information Technology, 2010, 32(11): 2655-2660. doi: 10.3724/SP.J.1146.2009.01473
Citation: Deng Yun-Kai, Jia Xiao-Xue, Feng Jin, Xu Wei. Sliding Spotlight SAR Data Processing Using the Azimuth Frequency De-ramping Algorithm[J]. Journal of Electronics & Information Technology, 2010, 32(11): 2655-2660. doi: 10.3724/SP.J.1146.2009.01473

基于方位频率去斜的滑动聚束SAR成像算法

doi: 10.3724/SP.J.1146.2009.01473

Sliding Spotlight SAR Data Processing Using the Azimuth Frequency De-ramping Algorithm

  • 摘要: 方位频谱混叠是导致一般滑动聚束成像算法效率低下的主要原因,针对这一问题,该文将频率去斜原理应用于滑动聚束成像。经方位频率去斜处理的滑动聚束数据不仅方位处理长度大大减小,天线方向图幅度校正也更易于实现。与传统算法相比,运算复杂度降低。点阵目标的仿真结果验证了算法的有效性,并且能够以最少的内存资源,大幅提高成像处理效率。
  • 唐禹,王岩飞,张冰尘.滑动聚束SAR成像模式研究[J].电子与信息学报.2007, 29(1):26-29浏览Tang Yu, Wang Yan-fei, and Zhang Bing-chen. A study of slinding spotlight SAR imaging mode. Journal of Electronics and Information Technology, 2007, 29(1): 26-29.[2]Mittermayer J, Lord R, and Borner E. Sliding spotlight SAR processing for TerraSAR-X using a new formulation of the Extended Chirp scaling algorithm. Proceedings of the IGARSS,Toulouse, France, 2003: 1462-1464.[3]Ossowska A and Speck R. Hybrid strip-map/spotlight mode processing based on Chirp scaling Processing. International Radar Symposium, Wroclaw, 2008: 1-4.[4]Henrion S, Savy L, and Planes J G. Properties of hybrid strip-map/spotlight spaceborne SAR. Processings of IGASS, Toulouse, France, 1999: 530-534.[5]Ossowska A and Speck R. Processing of sliding spotlight mode data with consideration of orbit geometry. Proc. SPIE, 2009, 7502: 75020O.[6]张光义,赵玉洁.相控阵雷达技术. 北京: 电子工业出版社,2007,第4章.[7]蒋彦婷,周荫清,徐华平. 机载混合模式SAR波束指向控制对图像质量的影响[J].电子与信息学报.2008, 30(2):335-338浏览Jiang Yan-ting, Zhou Yin-qing, and Xu Hua-ping. Effect of air hybrid mode SAR beam point steering on the image quality. Journal of Electronics and Information Technology, 2008, 30(2): 335-338.[8]Moreira A, Mittermayer J, and Scheiber R. Extended Chirp scaling algorithm for air-and spaceborne SAR data processing in stripmap and ScanSAR imaging modes[J].IEEE Transactions on Geoscience and Remote Sensing.1996, 34(5):1123-1136
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出版历程
  • 收稿日期:  2009-11-17
  • 修回日期:  2010-05-13
  • 刊出日期:  2010-11-19

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