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TOPSAR模式特性分析及成像仿真 被引量：6

Characteristics Analysis and Imaging Simulation for TOPSAR
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摘要 从波束控制策略、天线方向图加权、目标回波积累时间方面对滑动扫描合成孔径雷达(TOPSAR)进行分析,给出TOPSAR方位分辨率和模糊度的计算公式。总结了部分关键系统参数设计特点,对TOPSAR信号特点进行了分析,并对点目标进行了成像仿真。 A mode is analyzed in terms of beam steering law, azimuth antenna pattern and target illuminated time. Formulas of azi- muth resolution and ambiguity ratio are presented. The calculation of some critical system parameters for terrain observation by pro- gressive scans SAR（TOPSAR） is discussed. Signal characteristics of TOPSAR acquisition mode are analyzed. A combined pro- cessing flow of TOPSAR imaging is proposed and validated by point target simulation.
作者 王玲军 仇晓兰 胡东辉
机构地区 中国科学院空间信息处理与应用系统技术重点实验室
出处 《现代雷达》 CSCD 北大核心 2013年第1期15-18,23,共5页 Modern Radar
关键词 合成孔径雷达 滑动扫描合成孔径雷达 波束扫描 模糊度 分辨率 多普勒频率 synthetic aperture radar TOPSAR beam steering ambiguity ratio resolution Doppler frequency
分类号 TN958 [电子电信—信号与信息处理]
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参考文献9

  • 1Adriano Meta, Pau Prats, Ulrich Steinbrecher, et al. Terra- SAR-X TOPSAR and ScanSAR comparison[ C] // European Conference on Synthetic Aperture Radar. Fridrichshafen, Germany: IEEE Press, 2008.
  • 2Francesco De Zan, Andrea Monti Guarnieri. TOPSAR: terrain observation by progressive scans [ J ]. IEEE Transactions on Ge- oscience and Remote Sensing, 2006, 44(9) : 2352-2360.
  • 3Pau Prats, Rolf Scheiber, Josef Mittermayer, et al. A SAR processing algorithm for TOPS imaging mode based on ex- tended chirp scaling[ C ]// International Geoscience and Re- mote Sensing Symposium, Barcelona, Spain: IEEE Press, 2007 : 148-151.
  • 4Pau Prats, Adriano Meta, Rolf Scheiber, et al. A TOPSAR processing algorithm based on extended chirp scaling-evalua- tion with TerraSAR-X data [ C ]//European Conference on Synthetic Aperture Radar. Fridrichshafen, Germany : IEEE Press, 2008.
  • 5Adriano Meta, Josef Mittermayer, Ulrich Steinbrecher et al. Investigation on the TOPSAR acquisition mode with Terra- SAR-X[ C ]// International Geoscience and Remote Sensing Symposium, Barcelona, Spain : IEEE Press, 2007 : 152 - 155.
  • 6Adriano Meta, Josef Mittermayer, Pau Prats, et al. TOPS imaging with TerraSAR-X mode design and performance a- nalysis[ C]// International Geoscience and Remote Sensing Symposium, Hawaii, USA : IEEE Press, 2010 : 759-769.
  • 7徐伟,邓云凯.星载TOPSAR方位变标成像算法[J].电子学报,2011,39(4):913-918. 被引量：6
  • 8Yang W, Li C S. A novel three-step focusing algorithm for TOPSAR image formation [ C ]// International Geoscience and Remote Sensing Symposium. Hawaii, USA : IEEE Press, 2010: 4087-4090.
  • 9Prats P, Mittermayer J, Meta A, et al. Processing of sliding spotlight and TOPS SAR data using baseband azimuth scaling [ J]. IEEE Transactions on Geoscience and Remote Sens- ing, 2010, 48(2) : 770-780.

二级参考文献9

  • 1魏杰,周荫清,李春升.星载ScanSAR等效斜视距离模型的ECS成像算法[J].电子学报,2005,33(9):1545-1548. 被引量：2
  • 2张光义,赵玉洁.相控阵雷达技术[M].北京:电子工业出版社,2007.
  • 3Zan F D, Guarnieri A M. TOPSAR: Terrain observation by progressive scans[ J]. Trans on Geosciences and Remote Sensing, 2006,44(9) :2352 - 2360.
  • 4Meta A, Mittermayer J, Prats P, el at. TOPS imaging with TerraSAR-X:mode design and performance analysis[J]. IEEE Trans on Geosciences Remote Sensing,2010,48(2) : 759 - 769.
  • 5Prats P, Scheiber R, Mittermayer J, el at. Processing of sliding spotlight and TOPS SAR data using baseband azimuth scaling [J]. IEEE Trans on Geosciences Remote Sensing, 2010, 48 (2) : 770 - 780.
  • 6Guarnieri A M, Prati C. ScanSAR focussing and interferometry [J ]. IEEE Trans on Geosciences Remote Sensing, 1996, 34 (4) : 1029 - 1038.
  • 7Blecher D P, Baker C J. High resolution processing of hybrid strip-map/spotlight mode SAR[ J]. IEE- Radar, Sonar and Navigation, 1996,143(6) :366 - 374.
  • 8Cumming I G, Wong F H. Digital Processing of Synthetic Radar:Algorithms and Implementation[ M]. Norwood: Artech House,2005. 140 - 141.
  • 9Moreira A, Mittermayer J, Seheiber R. Extended chirp sealing algorithm for air- and spaceborne SAR data processing in stripmap and ScanSAR imaging modes [ J ]. IEEE Trans on Geosciences Remote Sensing, 1996, 34 (5) : 1123 - 1136.

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现代雷达
2013年 第1期

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