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中文核心期刊

Volume 26 Issue 6
Jul.  2022
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Abstract
XU Jia, JIANG Xingzhou, TANG Jingsong. A new range-instantaneous Doppler imaging method in Inverse Synthetic Aperture Sonar based on time-frequency analysis[J]. ACTA ACUSTICA, 2001, 26(6): 551-556. DOI: 10.15949/j.cnki.0371-0025.2001.06.013
Citation: XU Jia, JIANG Xingzhou, TANG Jingsong. A new range-instantaneous Doppler imaging method in Inverse Synthetic Aperture Sonar based on time-frequency analysis[J]. ACTA ACUSTICA, 2001, 26(6): 551-556. DOI: 10.15949/j.cnki.0371-0025.2001.06.013
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A new range-instantaneous Doppler imaging method in Inverse Synthetic Aperture Sonar based on time-frequency analysis

  • 1. Weaponry Engineering Department, Navy Engineering University Wuhan 430033;

  • 2. Institute of Acoustics, The Chinese Academy of Sciences Beijing 100080

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  • Received Date: April 02, 2000
  • Revised Date: February 28, 2001
  • Available Online: July 31, 2022
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    • Abstract
  • The conventional range-Doppler algorithm in Inverse Synthetic Aperture Sonar (ISAS) is based on model of uniform motion target. When target moves irregularly, the method may be invalidated because the Doppler effect of each scatterer and imaging projection plane may change with time. A new range-instantaneous Doppler imaging method based on time-frequency distribution is introduced in this paper. It is proved by experimented data that this method can be used in the underwater imaging.
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