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天宫一号大气密度探测数据与模式的比较分析
Alternative TitleComparison and Analysis Between TianGong-1 Atmospheric Density and Thermospheric Model
陈华姣; 秦国泰; 李永平; 何玉梅; 朱光武; chenhj@nssc.ac.cn
Department空间环境部
Source Publication载人航天
2013
Volume19Issue:6Pages:34-38
ISSN1674-5825
Language中文
Keyword天宫一号 大气密度 Nrlmsise-00模式 Jb2008模式
Abstract利用天宫一号的轨道大气环境探测器在2012年12月7日至2013年1月4日,地磁活动平静下的大气密度探测数据,与NRLMSISE-OO和JB2008模式进行比较。与实测数据相比,NRLMSISE-00模式整体高估11.6%,而JB2008整体低估9. 8%。JB2008模式在逐日变化趋势方面与实测结果更吻合,更好地反映了太阳辐射对热层大气的影响;而NRLMSISE-00在平静期间地磁活动影响大气密度的变化特征上,比JB2008更符合实测结果。实测结果显示冬季半球日峰值出现时间比夏季半球早,JB2008与实测相符,NRLMSISE-00则与实测相反。整体而言,在天宫一号轨道高度、地磁平静期,JB2008模式优于NRLMSISE-00模式。
Other AbstractBased on thermosphere density data from TianGong-1 form Dec. 7 2012 to Jan. 4 2013, when geomagnetic index was low,comparison between observed data and thermospheric model including NRLMSISE-00 and JB2008 were made. The major results were as follows : the NRLMSISE-00 model overestimated the observed data by about 11.6%. JB2008 model underestimated the observed data by about 9. 8%. During low geomagnetic activity, ap index used in NRLMSISE-00 was more close to the observed data variation than that of DCT index used in JB2008 ; JB2008 was good at daily variation. On LT-latitude variation JB2008 could capture the main characteristics, while NRLMSISE-00 was almost the opposite. Therefore JB2008 was better than NRLMSISE-00 at TianGong-1 altitude.
Indexed ByCSCD
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Cited Times:4[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4965
Collection空间环境部
Corresponding Authorchenhj@nssc.ac.cn
Recommended Citation
GB/T 7714
陈华姣,秦国泰,李永平,等. 天宫一号大气密度探测数据与模式的比较分析[J]. 载人航天,2013,19(6):34-38.
APA 陈华姣,秦国泰,李永平,何玉梅,朱光武,&chenhj@nssc.ac.cn.(2013).天宫一号大气密度探测数据与模式的比较分析.载人航天,19(6),34-38.
MLA 陈华姣,et al."天宫一号大气密度探测数据与模式的比较分析".载人航天 19.6(2013):34-38.
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