合成孔径激光雷达外差探测的影响研究

Abstract

Abstract:

Heterodyne detection is adopted by all existing synthetic aperture radars for its advantages,but in practice,match between the signal beam and local-oscillator beam is difficult to realize.This paper analyzes the effect of the angle between signal beam and local-oscillator beam on the heterodyne signal.

Key words: heterodyne detection;SAL;separation angle

CLC Number:

TN958

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ZHAO Xiao-Yan, YANG Yang. Study on Heterdyne Detection of Synthetic Aperture Radar[J]., 2010, 23(8): 75-.

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URL: https://journal.xidian.edu.cn/dzkj/EN/

https://journal.xidian.edu.cn/dzkj/EN/Y2010/V23/I8/75

References

［1］Buell W,Marechal N,Buck J,et al.Demonstrations of Synthetic Aperture Imaging Ladar［C］.Bellingham,WA:Laser Radar Technology and Applications Proc.of SPIE,2005.

［2］Thomas J Karr.Synthetic Aperture Ladar for Planetary Sensing［C］.Bellingham,WA:Proc.of SPIE,2003.

［3］Steven C Cohen.Heterodyne Detection:Phase Front Alignment,Beam Spot Size,and Detector Uniformity［J］.Applied Optics,1975(8):1953-1959.

［4］安毓英,曾晓东.光电探测原理［M］.西安:西安电子科技大学出版社,2004.

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