RANGE AMBIGUITY DISTRIBUTION CHARACTER- ISTIC OF SPACEBORNE SAR AND ITS DESIGN CONSIDERATION

Jing Linjiao

Volume 16 Issue 5

Sep. 1994

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Article Navigation > Journal of Electronics & Information Technology > 1994 > 16(5): 490-496

Jing Linjiao. RANGE AMBIGUITY DISTRIBUTION CHARACTER- ISTIC OF SPACEBORNE SAR AND ITS DESIGN CONSIDERATION[J]. Journal of Electronics & Information Technology, 1994, 16(5): 490-496.

Citation:

Jing Linjiao. RANGE AMBIGUITY DISTRIBUTION CHARACTER- ISTIC OF SPACEBORNE SAR AND ITS DESIGN CONSIDERATION[J]. Journal of Electronics & Information Technology, 1994, 16(5): 490-496.

Jing Linjiao. RANGE AMBIGUITY DISTRIBUTION CHARACTER- ISTIC OF SPACEBORNE SAR AND ITS DESIGN CONSIDERATION[J]. Journal of Electronics & Information Technology, 1994, 16(5): 490-496.

Citation:

Jing Linjiao. RANGE AMBIGUITY DISTRIBUTION CHARACTER- ISTIC OF SPACEBORNE SAR AND ITS DESIGN CONSIDERATION[J]. Journal of Electronics & Information Technology, 1994, 16(5): 490-496.

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RANGE AMBIGUITY DISTRIBUTION CHARACTER- ISTIC OF SPACEBORNE SAR AND ITS DESIGN CONSIDERATION

Jing Linjiao

Received Date: 1993-02-05
Rev Recd Date: 1994-04-25
Publish Date: 1994-09-19

Abstract

Abstract

A new approach is proposed which can satisfy the range ambiguity requirement while keep the antenna width not to be enlarged and get the high quality image also. Here the chirp slope of the transmitted linear frequency modulated pulses is reversed alternately. Therefore, during the range compression significant portion of the ambiguous return is suppressed due to the mismatching with the signal reference function. The suggested method provides significant improvement in RAR and can be utilized in attaining wider swath.

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References(1)

References

Bayna R W, Mclnnes P A. Apterure size anti ambiguity constraints for synthetic aperture radar, IEEE International Radar Conference, 1975, 499-504.[2]Li F K, Johnson W T K. IEEE Trans. on AES, 1983, AES-19(3): 389-397.[3]Barbarossa S.[J].Levriui G. An Antenna Pattern Synthesis Technique for Spaceborne SAR Performance Optimization, Proc. of 1GARSS87 Symposium, Ann Arbor.1987,:-[4]Mehlis J G. Synthetic Aperture Radar Range Azimuth Ambiguity Design and Constraints. IEEE International Radar Conference, 1980, 143-152.[5]Randy R K.[J].Prinez J. Reconsiderations of Azimuth Ambiguities in SAR. Proe. of IGARSS86, Symposiun, Zurich, Aug.1986,:-[6]Waller G. Antenna Ambiguity Investigations for X-SAR. Proc. of IGARSS86 Symposiun, Zurich, Ang. 1986, 1169-1173.[7]荆麟角.宽测绘带低分辨率工作模式实施方案.中国科学院电子学研究所,863-308-01-01,1991年度科技报告.[8][8][9]荆麟角.星载合成孔径雷达距离模糊分布规律、构成及抑制的新方法.中国科学院电子学研究所,863-308-01-01,1992年度科技报告.

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