Volume 8 Issue 3
Jun.  2019
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Article Navigation >  Journal of Radars  > 2019  >  8(3): 382-390
SONG Jiaqi and TAO Haihong. A fast parameter estimation algorithm for near-field non-circular signals[J]. Journal of Radars, 2020, 9(4): 632–639. doi: 10.12000/JR20053
Citation: WANG Yuhang, YANG Min, and CHONG Jinsong. SAR image simulation method for oceanic eddies[J]. Journal of Radars, 2019, 8(3): 382–390. doi: 10.12000/JR18052
shu

SAR Image Simulation Method for Oceanic Eddies

DOI: 10.12000/JR18052
  • ①.

    Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China

  • ②.

    National Key Laboratory of Science and Technology on Microwave Imaging, Beijing 100190, China

  • ③.

    University of Chinese Academy of Sciences, Beijing 100190, China

Funds:  The National Ministries Foundation, The Foundation of National Key Laboratory of Science and Technology on Microwave Imaging (CXJJ_15S119)
More Information
  • Corresponding author: CHONG Jinsong, iecas_chong@163.com
  • Received Date: 2018-07-05
  • Rev Recd Date: 2018-09-11
    • Available Online: 2018-10-11
  • Publish Date: 2019-06-01
    Abstract
  • Oceanic eddies, which play an important role in ocean thermal cycling, is a significant branch of oceanic scientific research. Synthetic Aperture Radar (SAR) provides a large number of images for the observation and investigation of oceanic eddies. However, SAR imagery of oceanic eddies is affected by various environmental factors; as such, it is difficult to interpret eddy features from SAR images. Alternatively, simulated SAR images can be used to investigate eddy features; however, few methods have been established for simulating SAR images for oceanic eddies. To better interpret the eddy features in real SAR images, an SAR image simulation method for oceanic eddies is proposed in this paper. First, a two-dimensional eddy surface current field was built based on the Burgers-Rott vortex model in hydrodynamics; SAR eddy images were then simulated according to the given eddy current field, wind field, and radar parameters. Images of cyclonic and anticyclonic eddies were simulated and evaluated. In addition, a standard for evaluating the similarity between real and simulated SAR eddy images was established. The features of the simulated SAR eddy images show good similarity with the real SAR eddy images, which validates the effectiveness of the proposed simulation method.

     

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    • References(26)
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