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Research on Atmospheric Refraction Correction Algorithm and Model for Satellite Laser Range-Finding

Yuan Hongwu1,2,3 Mei Haiping1 Huang Yinbo1 Rao Ruizhong1(1Key Laboratory of Atmospheric Composition and Optical Radiation,Chinese Academy of Sciences,Hefei,Anhui 230031,China 2Graduate University of Chinese Academy of Sciences,Beijing 100049,China 3Artillery Academy of People's Liberation Army,Hefei,Anhui 230031,China)  
Considering the influences of atmospheric refraction on the satellite laser ranging,an algorithm for calculating the optical path differences based on ray tracing is studied.Firstly,the annual mean atmospheric refractivity modulus height profiles of 46 typical regions in China are fitted by using meteorological sounding datum and high level model datum synthetically.Secondly,the results calculated by the Marini-Murray model and ray tracing which is based on the monthly average model and the annual mean model are compared and analyzed.Then,the national distribution of the optical path difference of satellite laser ranging is presented.Finally,the relations between the optical path difference with the height above sea level of ranging site and the elevation of satellite are numerically investigated.
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