Study on the Azimuth Resolution of Spaceborne SAR Working on Spotlight Mode

Gao Xiang-wu; Tian Xu-wen; Yang Ru-liang

Volume 26 Issue 1

Jan. 2004

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Gao Xiang-wu, Tian Xu-wen, Yang Ru-liang. Study on the Azimuth Resolution of Spaceborne SAR Working on Spotlight Mode[J]. Journal of Electronics & Information Technology, 2004, 26(1): 95-99.

Citation:

Gao Xiang-wu, Tian Xu-wen, Yang Ru-liang. Study on the Azimuth Resolution of Spaceborne SAR Working on Spotlight Mode[J]. Journal of Electronics & Information Technology, 2004, 26(1): 95-99.

Gao Xiang-wu, Tian Xu-wen, Yang Ru-liang. Study on the Azimuth Resolution of Spaceborne SAR Working on Spotlight Mode[J]. Journal of Electronics & Information Technology, 2004, 26(1): 95-99.

Citation:

Gao Xiang-wu, Tian Xu-wen, Yang Ru-liang. Study on the Azimuth Resolution of Spaceborne SAR Working on Spotlight Mode[J]. Journal of Electronics & Information Technology, 2004, 26(1): 95-99.

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Study on the Azimuth Resolution of Spaceborne SAR Working on Spotlight Mode

Gao Xiang-wu^{①②;田旭文},
Tian Xu-wen,
Yang Ru-liang

Received Date: 2002-07-11
Rev Recd Date: 2002-10-31
Publish Date: 2004-01-19

Abstract

Abstract

From the difference of imaging geometry between spaceborne SAR, and airborne SAR, traditional formula computing the azimuth resolution of airborne SAR working on spotlight mode will bring big errors if it is used for spaceborne SAR. In this paper, the new formula of the azimuth resolution for spaceborne spotlight SAR. is presented, and the data simulation results validate the validity of the new method.

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References(1)

References

Carrara W G, Goodman R S, Majewski R M. Spotlight Synthetic Aperture Radar: Signal Processing Algorithms. Norwood, MA: Artech House, 1995, Chap. 1.[2]Jakowatz C V, Wahl D, Eichel P, Ghiglia D C, et al.. Spotlight-Mode Synthetic Aperture Radar:A Signal Processing Approach, Norwell, MA: Kluwer Academic, 1996, Chap. 2.[3]洪文.机载聚束式合成孔径雷达成像的聚焦处理研究.[博士论文],北京:北京航空航天大学,1997.[4]曹福祥,袁建平,郑谔.聚束照射合成孔径雷达方位分辨率研究.现代雷达,1998,20(6):6-10.[5]张澄波.综合孔径雷达原理、系统分析与应用.北京:科学出版社,1989,第三章.

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