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On the wind inversion characteristics of China-France Oceanography Satellite microwave scatterometer
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Binghua Wang1, 2, Xiaolong Dong1, 2, *, Wenming Lin3, Shuyan Lang4, Di Zhu1, 2, Risheng Yun2
Haiyang Xuebao | 2021, 43(11) : 157 - 165
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Haiyang Xuebao | 2021, 43(11): 157-165
• Article •
On the wind inversion characteristics of China-France Oceanography Satellite microwave scatterometer
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Binghua Wang1, 2, Xiaolong Dong1, 2, *, Wenming Lin3, Shuyan Lang4, Di Zhu1, 2, Risheng Yun2
Affiliations
  • 1University of Chinese Academy of Sciences, Beijing 100049, China
  • 2Key Laboratory of Microwave Remote Sensing, Chinese Academy of Science, Beijing 100190, China
  • 3School of Marine Sciences, Nanjing University of Information Science and Technology, Nanjing 210044, China
  • 4National Satellite Ocean Application Service, Beijing 100081, China
Published: 2021-11-25 doi: 10.12284/hyxb2021164
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China-France Oceanography Satellite scatterometer (CSCAT) is the first rotating fan beam scatterometer internationally, which was flown onboard China-France Oceanography Satellite (CFOSAT) on October 2018. Based on the maximum likelihood estimation wind inversion algorithm, the residual characteristics of the CSCAT sea surface wind inversion cost function in detail, focuses on the influence of the new observation geometry on the wind inversion residual and wind quality is analyzed in this article, we establish the likelihood probability model function of the ambiguous solutions. The results show that the residual characteristic of the CSCAT wind inversion varies with the position of the wind vector cell (WVC) across the swath. The exponential distribution of the ambiguous solution likelihood probability model function is between −0.4 and −1.8. The results provide an important reference for the quality control of CSCAT and the refinement adjustment of the two dimensional variational ambiguity removal algorithm.

China-France Oceanography Satellite  /  scatterometer  /  wind retrieval  /  maximum likelihood estimation  /  residual
Binghua Wang, Xiaolong Dong, Wenming Lin, Shuyan Lang, Di Zhu, Risheng Yun. On the wind inversion characteristics of China-France Oceanography Satellite microwave scatterometer[J]. Haiyang Xuebao, 2021 , 43 (11) : 157 -165 . DOI: 10.12284/hyxb2021164
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Article Info
doi: 10.12284/hyxb2021164
  • Receive Date：2020-12-09
  • Online Date：2026-02-26
  • Published：2021-11-25
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  • Received：2020-12-09
  • Revised：2021-04-28
Funding
Affiliations
    1University of Chinese Academy of Sciences, Beijing 100049, China
    2Key Laboratory of Microwave Remote Sensing, Chinese Academy of Science, Beijing 100190, China
    3School of Marine Sciences, Nanjing University of Information Science and Technology, Nanjing 210044, China
    4National Satellite Ocean Application Service, Beijing 100081, China
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