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Study on Satellite-to-ground Laser Communications with Existence of Atmosphere

LI Hu HU Tai SHAO Shiyong WU Pengfei

LI Hu, HU Tai, SHAO Shiyong, WU Pengfei. Study on Satellite-to-ground Laser Communications with Existence of Atmosphere[J]. 空间科学学报, 2021, 41(3): 505-510. doi: 10.11728/cjss2021.03.505
引用本文: LI Hu, HU Tai, SHAO Shiyong, WU Pengfei. Study on Satellite-to-ground Laser Communications with Existence of Atmosphere[J]. 空间科学学报, 2021, 41(3): 505-510. doi: 10.11728/cjss2021.03.505
LI Hu, HU Tai, SHAO Shiyong, WU Pengfei. Study on Satellite-to-ground Laser Communications with Existence of Atmosphere[J]. Chinese Journal of Space Science, 2021, 41(3): 505-510. doi: 10.11728/cjss2021.03.505
Citation: LI Hu, HU Tai, SHAO Shiyong, WU Pengfei. Study on Satellite-to-ground Laser Communications with Existence of Atmosphere[J]. Chinese Journal of Space Science, 2021, 41(3): 505-510. doi: 10.11728/cjss2021.03.505

Study on Satellite-to-ground Laser Communications with Existence of Atmosphere

doi: 10.11728/cjss2021.03.505
基金项目: 

Supported by the Strategic Priority Research Program of Chinese Academy of Sciences(XDA04080201)

详细信息
    作者简介:

    LI Hu,E-mail:lihu@nssc.ac.cn

  • 中图分类号: TN24

Study on Satellite-to-ground Laser Communications with Existence of Atmosphere

Funds: 

Supported by the Strategic Priority Research Program of Chinese Academy of Sciences(XDA04080201)

More Information
    Author Bio:

    LI Hu,E-mail:lihu@nssc.ac.cn

  • 摘要: The laser beam used to establish a communication channel between satellite and ground segments has a small divergence angle and a tiny spot on the Earth’s surface, which may lead to the fail of the system. So it’s important to study the deflection of laser beam by the Earth’s atmosphere and find a way to calibrate this error. Both theoretical analysis and real data processing method are used to obtain the mathematical model for divergence angle of laser communication beam and its correction function. Then the model has been applied to the data, which was used to describe the atmosphere state by traditional ground segments to obtain the critical elevation angle. According to the results of calculation, our conclusion will be that the correction should be done when the critical elevation happens.

     

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出版历程
  • 收稿日期:  2019-10-19
  • 修回日期:  2020-07-28
  • 刊出日期:  2021-05-15

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