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高分辨率宽测绘带星载SAR距离向DBF处理 被引量：9

Range DBF Processing for High-resolution Wide-swath Spaceborne SAR
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摘要 该文在研究星载SAR使用距离向数字波束形成(DBF)实现宽测绘带的基础上,通过理论推导和仿真分析了仅做时域加权DBF处理对成像结果幅度和分辨率的影响,并进一步针对DBF-SAR扫描接收方式研究了4种适用于不同发射信号脉宽的距离向DBF处理方法。仿真验证了4种处理方法在各自的前提下能有效实现距离向宽测绘带接收。 This paper studies the principle of realizing wide swath of space-borne SAR by using range Digital Beam-Forming （DBF）. Then the effect of the time domain DBF processing on the amplitude and resolution of spaceborne SAR image is summarized based on the theoretical analysis and simulation. Four range DBF processing methods corresponding to scan-on-receive are explored, which are suitable for different duration of transmit signals Simulation results show that all methods can realize wide swath signal receiving effectively in its precondition.
作者 李杨 黄杰文 禹卫东
机构地区 中国科学院电子学研究所 中国科学院研究生院
出处 《电子与信息学报》 EI CSCD 北大核心 2011年第6期1510-1514,共5页 Journal of Electronics & Information Technology
关键词 合成孔径雷达 高分辨率宽测绘带 距离向数字波束形成 扫描接收 SAR High-resolution wide-swath Range digital beam-forming Scan-on-receive
分类号 TN959.74 [电子电信—信号与信息处理]
  • 相关文献

参考文献10

  • 1Freeman A, Johnson W, and Huneycutt B, et al.. The 'myth' of the minimum SAR antenna area constraint[J]. IEEE Transactions on Geoscience and Remote Sensing, 2000, 38(1): 320-324.
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  • 8Younis M, Huber S, and Patyuchenko A, et al.. Digital beam-forming for spaceborne reflector and planar antenna SAR a system performance comparison[C]. International Geoscience and Remote Sensing Symp, Cape Town, South Africa, July 12-17, 2009, 3: 733-736.
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二级参考文献5

  • 1Currie A.Wide-swath SAR imaging with multiple azimuth beams.IEE Colloquium on Synthetic Aperture Radar,London,1989,Nov.29:3/1-3/4.
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共引文献26

同被引文献66

  • 1荆麟角.RANGE AMBIGUITY DISTRIBUTION CHARACTERISTIC OF SPACEBORNE SAR AND ITS DESIGN CONSIDERATION[J].Journal of Electronics(China),1995,12(2):160-167. 被引量：1
  • 2邢孟道,李真芳,保铮,王彤.分布式小卫星雷达空时频成像方法研究[J].宇航学报,2005,26(B10):70-76. 被引量：17
  • 3Keydel W. Perspective and visions for future SAR system[J]. IEE Proceedings of Radar Sonar and Navigation, 2003, 150(3): 97-103.
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  • 6Krieger G, Younis M, Gebert N, et al.. Advanced concepts for high-resolution wide-swath SAR imaging[C]. European Conference on Synthetic Aperture Radar, Aachen, Germany,2010: 524-527.
  • 7Younis M, Huber S, Patyuchenko A, et al.. Digital beam-forming for spaceborne reflector and planar antenna SAR-a system performance comparison[C]. IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Cape Town, South Africa, 2009, 3: 733-736.
  • 8Younis M, Patyuchenko A, Huber S, et al.. A concept for a high performance reflector-based X-band SAR[C]. European Conference on Synthetic Aperture Radar, Aachen, Germany, 2010: 974-977.
  • 9Feng Fan, Li Shi-qiang, and Yu Wei-dong, et al.. Echo separation in multi-dimensional waveform encoding SAR remote sensing using an advanced null-steering beamformer[J]. IEEE Transactions on Geoscience Remote Sensing, 2012, 50(10): 4157-4172.
  • 10Krieger G, Younis M, Huber S, et al.. Digital beamforming and MIMO SAR: review and new concepts[C]. 9th European Conference on SAR, Nuremberg, Germany, 2012: 11-14.

引证文献9

二级引证文献14

电子与信息学报
2011年 第6期

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