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利用星载加速度计数据反演高层大气密度的方法
Alternative TitleMethod of upper atmosphere density retrieving from accelerometer data
陈光明; 符养; 薛震刚; 陈凤贵; 高红; 北京8701信箱
Department空间天气学国家重点实验室
Source Publication解放军理工大学学报(自然科学版)
2010
Volume11Issue:3Pages:371-376
ISSN1009-3443
Language中文
Keyword大气密度 加速度计 Champ 阻力系数 Nrlmsise00
Abstract为有效监测高层大气密度,研究利用CHAMP卫星的加速度计数据和相关测量数据反演高层大气密度的方法,该方法采用卫星切线方向的加速度观测数据和动力学模型计算大气密度,运用HWM93模式模拟风场。并对反演的误差进行了详细分析,反演的总误差为10%~15%,将中低纬度CHAMP密度数据与NRLM-SISE00模式值进行比对,结果显示两者有较好的一致性,平均残差为0.03,均方根误差为0.23。此外,数据显示磁暴时大气密度明显增大,并存在清晰的波动特征。结果表明,该方法可以有效地反演大气密度。
Other AbstractA method of upper-atmospheric density retrieving from CHAMP accelerometer observations was introduced.The tangential(in-track) acceleration data and a model for the aerodynamic coefficient were used in this method.The winds were simulated by the HWM-93 model.The error sources were analyzed in detail and the total errors were generally about 10~15%.A comparison between CHAMP data and the NRLMSISE00 predicts in the mid-low latitudes showed that they were consistent. The mean residual was only 0.03 and the root mean square was 0. 23. The density enhancements and the travelling atmospheric disturbance were observed during the storm in 2003. Results indicate that the thermosphere densities can be obtained with high precision with this method.
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1219
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
陈光明,符养,薛震刚,等. 利用星载加速度计数据反演高层大气密度的方法[J]. 解放军理工大学学报(自然科学版),2010,11(3):371-376.
APA 陈光明,符养,薛震刚,陈凤贵,高红,&北京8701信箱.(2010).利用星载加速度计数据反演高层大气密度的方法.解放军理工大学学报(自然科学版),11(3),371-376.
MLA 陈光明,et al."利用星载加速度计数据反演高层大气密度的方法".解放军理工大学学报(自然科学版) 11.3(2010):371-376.
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