Volume 30 Issue 09
Sep.  2004
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Chen Jie, Zhou Yinqing. Ambiguity performance analysis of spaceborne SAR with thermal mechanism errors in phased array antenna[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(09): 839-843. (in Chinese)
Citation: Chen Jie, Zhou Yinqing. Ambiguity performance analysis of spaceborne SAR with thermal mechanism errors in phased array antenna[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(09): 839-843. (in Chinese)

Ambiguity performance analysis of spaceborne SAR with thermal mechanism errors in phased array antenna

  • Received Date: 04 Jun 2003
  • Publish Date: 30 Sep 2004
  • To analyze the ambiguity performance of spaceborne synthetic aperture radar (SAR) with onboard thermal mechanism errors in phased array antenna, a mathematical model for thermal mechanism errors was established, based on the characteristics of spaceborne SAR antenna. The formula of the antenna pattern with thermal mechanism errors were presented, on the basis of paired echo distortion theory. The statistical model for ambiguity performance analysis of thermal mechanism errors in phased array antenna was proposed. The maximum boundary of ambiguity performance requirement was educed. The computer simulation results of a L-band spaceborne SAR was proposed, by which the conclusion was validated.

     

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