Volume 6 Issue 1
Apr.  2017
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Article Navigation >  Journal of Radars  > 2017  >  6(1): 11-16
Ding Chibiao, Liu Jiayin, Lei Bin, Qiu Xiaolan. Preliminary Exploration of Systematic Geolocation Accuracy of GF-3 SAR Satellite System[J]. Journal of Radars, 2017, 6(1): 11-16. doi: 10.12000/JR17024
Citation: Ding Chibiao, Liu Jiayin, Lei Bin, Qiu Xiaolan. Preliminary Exploration of Systematic Geolocation Accuracy of GF-3 SAR Satellite System[J]. Journal of Radars, 2017, 6(1): 11-16. doi: 10.12000/JR17024
shu

Preliminary Exploration of Systematic Geolocation Accuracy of GF-3 SAR Satellite System

DOI: 10.12000/JR17024 CSTR: 32380.14.JR17024
  • ①.

    Key Laboratory of Technology on Geo-spatial Information Processing and Application System,Chinese Academy of Sciences,Beijing 100190,China

  • ②.

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

Funds:  The Key Standard Technologies of National High Resolution Special (30-Y20A12-9004-15/16, 03-Y20A11-9001-15/16)
  • Received Date: 2017-03-13
  • Rev Recd Date: 2017-03-17
  • Publish Date: 2017-02-28
    Abstract
  • GF-3, the first full-polarimetric Synthetic Aperture Radar (SAR) satellite of China with a resolution up to 1 m, was successfully launched in August 2016 and, after 5 months of in-orbit calibration, it was officially delivered to the users in January 2017. In this paper, the geometric positioning error sources of the entire system are analyzed based on the real data acquisition, including atmospheric transmission, image processing, and geometric positioning. The positioning precision of the SAR system is validated by corner reflectors. The results show that the satellite positioning accuracy improved by 3 m.

     

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