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Alternative TitleError Analysis of Typical Atmospheric Density Model
刘卫; 王荣兰; 刘四清; 龚建村
Source Publication空间科学学报
Keyword热层密度 模式误差 误差特性
Other AbstractBased on the density data from May 15,2001 to Dec. 31,2008 derived from CHAMP accelerometer, the errors of JB2008 and MSISE00 model are analyzed. The results show that the two models both overestimate the atmospheric density, and the JB2008 model is better than the MSISE00 model (the average biases of JB2008 and MSISE00 are 2.2% and 17.6% respectively). Most relative error of JB2008 mode is from -20% to 20%, the proportion is as high as 89%. However, it is only 58% in the case of MSISE00. The two models have no obvious difference below the height of 450 km, which is consistent with the conclusion of literature. Space environment is classified into four types, and the model characteristics of latitude and local time are analyzed for each kind of space environment. MSISE00 model has better local time characteristics while JB2008 has better latitude characteristics. The results are valuable for mastering the model error characteristics and improving the atmospheric density model.
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Document Type期刊论文
Recommended Citation
GB/T 7714
刘卫,王荣兰,刘四清,等. 典型热层密度模式误差分析[J]. 空间科学学报,2017,37(5):538-546.
APA 刘卫,王荣兰,刘四清,&龚建村.(2017).典型热层密度模式误差分析.空间科学学报,37(5),538-546.
MLA 刘卫,et al."典型热层密度模式误差分析".空间科学学报 37.5(2017):538-546.
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2017375538-546.pdf(3291KB)期刊论文作者接受稿开放获取CC BY-NC-SAApplication Full Text
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