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Spatial gradients from irregular, multiple-point spacecraft configurations
Shen, C.; Rong, Z. J.; Dunlop, M. W.; Ma, Y. H.; Li, X.; Zeng, G.; Yan, G. Q.; Wan, W. X.; Liu, Z. X.; Carr, C. M.; Reme, H.; Shen, C (reprint author), Chinese Acad Sci, State Key Lab Space Weather, Natl Space Sci Ctr, 1 Nanertiao, Beijing 100190, Peoples R China.
Department空间科学部
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
2012
Volume117Pages:A11207
ISSN2169-9380
Language英语
AbstractWe present a generalized multipoint analysis of physical quantities, such as magnetic field and plasma flow, based on spatial gradient properties, where the multipoint data may be taken by irregular (distorted) configurations of any number of spacecraft. The methodology is modified from a previous, fully 3-D gradient analysis technique, designed to apply strictly to 4-point measurements and to be stable for regular spacecraft configurations. Here, we adapt the method to be tolerant against distorted configurations and to return a partial result when fewer spacecraft measurements are available. We apply the method to a variety of important physical quantities, such as the electric current density and the vorticity of plasma flows based on Cluster and THEMIS multiple-point measurements. The method may also have valuable applications on the coming Swarm mission.; We present a generalized multipoint analysis of physical quantities, such as magnetic field and plasma flow, based on spatial gradient properties, where the multipoint data may be taken by irregular (distorted) configurations of any number of spacecraft. The methodology is modified from a previous, fully 3-D gradient analysis technique, designed to apply strictly to 4-point measurements and to be stable for regular spacecraft configurations. Here, we adapt the method to be tolerant against distorted configurations and to return a partial result when fewer spacecraft measurements are available. We apply the method to a variety of important physical quantities, such as the electric current density and the vorticity of plasma flows based on Cluster and THEMIS multiple-point measurements. The method may also have valuable applications on the coming Swarm mission.
Indexed BySCI
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/122/3175
Collection空间科学部
Corresponding AuthorShen, C (reprint author), Chinese Acad Sci, State Key Lab Space Weather, Natl Space Sci Ctr, 1 Nanertiao, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Shen, C.,Rong, Z. J.,Dunlop, M. W.,et al. Spatial gradients from irregular, multiple-point spacecraft configurations[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2012,117:A11207.
APA Shen, C..,Rong, Z. J..,Dunlop, M. W..,Ma, Y. H..,Li, X..,...&Shen, C .(2012).Spatial gradients from irregular, multiple-point spacecraft configurations.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,117,A11207.
MLA Shen, C.,et al."Spatial gradients from irregular, multiple-point spacecraft configurations".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117(2012):A11207.
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