磁场梯度张量测量法消除卫星磁干扰

张艺腾; 李磊; 周斌; 王劲东; 冯永勇

doi:10.13700/j.bh.1001-5965.2015.0356

磁场梯度张量测量法消除卫星磁干扰

doi: 10.13700/j.bh.1001-5965.2015.0356

张艺腾^1,2,
李磊^1, ,,
周斌¹,
王劲东¹,
冯永勇¹

1.
中国科学院国家空间科学中心空间天气学国家重点实验室, 北京 100190
2. 中国科学院大学, 北京 100049

基金项目: 国家自然科学基金(41404146);民用航天"十二五"预先研究项目

详细信息

作者简介:
张艺腾男,博士研究生,副研究员。主要研究方向:磁场探测、磁强计标定、行星空间物理。Tel.:010-62586413 E-mail:ytzhang@nssc.ac.cn;李磊女,博士,研究员,博士生导师。主要研究方向:磁场探测、行星空间物理。Tel.:010-62586413 E-mail:lil@nssc.ac.cn

通讯作者:
李磊,Tel.:010-62586413 E-mail:lil@nssc.ac.cn

中图分类号: V416.5;V423.4⁺1
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出版历程
- 收稿日期: 2015-06-01
- 网络出版日期: 2016-05-20

Eliminating magnetic disturbance of satellites by method of magnetic field gradient tensor measurement

1.
State Key Laboratory of Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China
2. University of Chinese Academy of Sciences, Beijing 100094, China

摘要

摘要: 在调查了消除卫星本体对磁场探测造成磁干扰的方法基础上,采用磁场梯度张量测量法替代传统的双探头梯度测量法消除卫星磁干扰,通过仿真分析和实测验证重点考察了基于欧拉反褶积算法的构造指数、伸杆长度与背景磁场反演误差之间的关系。仿真结果表明:对于本体边长1 m总剩磁1 A·m²的卫星而言,磁场梯度张量测量法在1~2 m的较短伸杆条件下,背景磁场反演误差较大;在3 m以上的较长伸杆条件下,具有较高的背景磁场反演精度,4 m条件下反演精度约0.5 nT。在长伸杆条件下,磁场梯度张量测量法比双探头梯度测量法的背景磁场反演精度提高约3倍。
- 梯度张量测量 /
- 双探头梯度测量 /
- 卫星磁干扰 /
- 欧拉反褶积算法 /
- 卫星伸杆
Abstract: Based on the investigation of eliminating magnetic disturbance of satellites, in the way of magnetic field gradient tensor measurement method instead of traditional bi-sensor gradient method, simulation and physical test were carried out to eliminate the satellite magnetic disturbance due to its main body, and the relationship among the structural index of Euler deconvolution algorithm, the boom length and the background magnetic field inversion error was investigated. Simulation results show that according to 1m side length and 1 A·m² remnant magnetism of cube satellite, magnetic field gradient tensor method has lower inversion accuracy of the background magnetic field under the short boom condition of 1-2 m, and higher inversion accuracy under the long boom condition of more than 3 m, which is about 0.5 nT under the condition of 4 m length boom. Under the long boom condition, the accuracy is approximately 3 times higher than that of the bi-sensor gradient method.
- gradient tensor measurement /
- bi-sensor gradient measurement /
- magnetic disturbance of satellite /
- Euler deconvolution algorithm /
- satellite boom

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参考文献(15)

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