Research of calibration of HY-2B altimeter based on tidal gauge along the coast of Zhuhai, Wanshan calibration site

Zhang Yufei; Jiang Xingwei; Ma Chaofei

doi:10.12284/hyxb2021074

Volume 43 Issue 6

Jun. 2021

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Zhang Yufei，Jiang Xingwei，Ma Chaofei. Research of calibration of HY-2B altimeter based on tidal gauge along the coast of Zhuhai, Wanshan calibration site[J]. Haiyang Xuebao，2021, 43(6)：139–144 doi: 10.12284/hyxb2021074

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Research of calibration of HY-2B altimeter based on tidal gauge along the coast of Zhuhai, Wanshan calibration site

doi: 10.12284/hyxb2021074

National Satellite Ocean Application Service, Beijing 100081, China

Received Date: 2020-04-13
Rev Recd Date: 2020-12-09

Available Online: 2021-03-24

Publish Date: 2021-06-30

Abstract

Abstract

After the launch of China’s HY-2B altimeter in October 2018, NSOAS (National Satellite Ocean Application Service) conducted a HY-2B altimetry calibration experiment in Wanshan, Zhuhai. The experiment used the tide gauge along the coast to conduct the calibration experiment from November 3, 2018 to December 12, 2018, near the sub-satellite point of the HY-2B transit orbit 375 on Zhiwan Island. During the experiment period, HY-2B revisited the calibration point three times, and the results showed that the three-period HY-2B altimetry calibration bias were (3.06±3.48) cm, (2.85±1.03) cm, −7.41 cm; there was a certain drift in the calibration bias in the first three cycles, and subsequent calibration work was required to determine the cause of the drift.
- HY-2B,
- Wanshan calibration site,
- tide gauge,
- absolute calibration

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References(12)

References

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