Analysis and improvement on stability of satellite laser ranging system
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Affiliation:

1.Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030,China;2.Key Laboratory of Space Object and Debris Observation, Chinese Academy of Sciences, Nanjing 210008, China;3.University of Chinese Academy of Sciences, Beijing 100009, China

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Fund Project:

National Natural Science Foundation of China 11503068 U1631240;China Postdoctoral Science Foundation BX201700270 2017M621562Supported by National Natural Science Foundation of China (11503068, U1631240), CAS Key Technology Talent Program, China Postdoctoral Science Foundation (BX201700270, 2017M621562)

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    Abstract:

    Based on the platform of typical SLR system, according to generation flow of SLR measurement data, extracting the difference between satellite measurement and calibration, measuring and analyzing the influence of various factors due to range bias of SLR measurement data, and technical approaches to improve the stability of SLR measurement data is provided in the paper. After applying the above research results, the long-term stability, short-term stability, and normal points accuracy of Lageos satellite at Shanghai SLR station, have been decreased from 12.7 mm, 22.7 mm and 2.0 mm in 2014 to 4.1 mm, 9.3 mm and 1.0 mm in 2015 respectively, which firstly reached the data quality standards of ILRS (10 mm, 20 mm, and 5 mm) in China ,and also improve international position in the field of SLR and the weight of observational data, with good prospects for promotion and application.

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WU Zhi-Bo, DENG Hua-Rong, ZHANG Hai-Feng, TANG Kai, LONG Ming-Liang, WANG Nan, QIN Si, ZHANG Zhong-Ping. Analysis and improvement on stability of satellite laser ranging system[J]. Journal of Infrared and Millimeter Waves,2019,38(4):479~484

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History
  • Received:December 07,2018
  • Revised:May 24,2019
  • Adopted:January 28,2019
  • Online: September 06,2019
  • Published: