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First in-orbit results of the vector magnetic field measurement of the High Precision Magnetometer onboard the China Seismo-Electromagnetic Satellite
Zhou, Bin; Cheng, Bingjun; Gou, Xiaochen; Li, Lei; Zhang, Yiteng; Wang, Jindong; Magnes, Werner; Lammegger, Roland; Pollinger, Andreas; Ellmeier, Michaela; Xiao, Qi; Zhu, Xinghong; Yuan, Shigeng; Yang, Yanyan; Shen, Xuhui
Department空间科学部
Source PublicationEARTH PLANETS AND SPACE
2019
Volume71Issue:1Pages:119
DOI10.1186/s40623-019-1098-3
ISSN1880-5981
Language英语
KeywordHigh Precision Magnetometer Fluxgate Magnetometer Coupled Dark State Magnetometer Geomagnetic field
AbstractThe High Precision Magnetometer (HPM) is one of the main payloads onboard the China Seismo-Electromagnetic Satellite (CSES). The HPM consists of two Fluxgate Magnetometers (FGM) and the Coupled Dark State Magnetometer (CDSM), and measures the magnetic field from DC to 15 Hz. The FGMs measure the vector components of the magnetic field; while the CDSM detects the magnitude of the magnetic field with higher accuracy, which can be used to calibrate the linear parameters of the FGM. In this paper, brief descriptions of measurement principles and performances of the HPM, ground, and in-orbit calibration results of the FGMs are presented, including the thermal drift and magnetic interferences from the satellite. The HPM in-orbit vector data calibration includes two steps: sensor non-linearity corrections based on on-ground calibration and fluxgate linear parameter calibration based on the CDSM measurements. The calibration results show a reasonably good stability of the linear parameters over time. The difference between the field magnitude calculated from the calibrated FGM components and the magnitude directly measured by the CDSM is just 0.5 nT (1 sigma) when the linear parameters are fitted separately for the day- and the night-side. Satellite disturbances have been analyzed including soft and hard remanence as well as magnetization of the magnetic torquer, radiation from the Tri-Band Beacon, and interferences from the rotation of the solar wing. A comparison shows consistency between the HPM and SWARM magnetic field data. Observation examples are introduced in the paper, which show that HPM data can be used to survey the global geomagnetic field and monitor the magnetic field disturbances in the ionosphere.
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7243
Collection空间科学部
Recommended Citation
GB/T 7714
Zhou, Bin,Cheng, Bingjun,Gou, Xiaochen,et al. First in-orbit results of the vector magnetic field measurement of the High Precision Magnetometer onboard the China Seismo-Electromagnetic Satellite[J]. EARTH PLANETS AND SPACE,2019,71(1):119.
APA Zhou, Bin.,Cheng, Bingjun.,Gou, Xiaochen.,Li, Lei.,Zhang, Yiteng.,...&Shen, Xuhui.(2019).First in-orbit results of the vector magnetic field measurement of the High Precision Magnetometer onboard the China Seismo-Electromagnetic Satellite.EARTH PLANETS AND SPACE,71(1),119.
MLA Zhou, Bin,et al."First in-orbit results of the vector magnetic field measurement of the High Precision Magnetometer onboard the China Seismo-Electromagnetic Satellite".EARTH PLANETS AND SPACE 71.1(2019):119.
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