| 磁场压缩波动幅度对卫星磁强计零位标定影响的数值仿真 |
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| 引用本文： | 王国强,潘宗浩,胡小文,刘凯,孟立飞,易忠,张铁龙.磁场压缩波动幅度对卫星磁强计零位标定影响的数值仿真[J].航天器环境工程,2019,36(3):229-234. |
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| 作者姓名： | 王国强 潘宗浩 胡小文 刘凯 孟立飞 易忠 张铁龙 |
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| 作者单位： | 1.哈尔滨工业大学（深圳） 空间科学与应用技术研究院，深圳 518055;2.中国科学院 月球与深空探测重点实验室，北京 100101;3.中国科学技术大学 地球和空间科学学院，合肥 230026;4.北京卫星环境工程研究所，北京 100094;5.奥地利科学院 空间研究所，格拉茨 A-8042 |
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| 基金项目： | 国家自然科学基金;国家自然科学基金;高等学校学科创新引智计划计划);基础研究项目;中国科学院重点实验室开放基金 |
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| 摘 要： | 文章通过数值仿真分析了在不同压缩波动相对幅度条件下用Davis-Smith方法计算磁强计零位补偿的误差特征。结果表明，随着压缩波动相对幅度的减小，零位补偿的误差有减小的趋势；如果磁场某一分量中存在和压缩波动频率相同的波动，且幅度与压缩波动幅度相当，则该分量的零位补偿误差相对较大。因此，建议磁场波动与压缩波动的平均波动幅度之比的参考值在5～10之间，且参考值取得越大，零位补偿误差越小。
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| 关 键 词： | 磁强计校准 Davis-Smith方法 压缩波动 零位补偿 误差特征 数值仿真 |
| 收稿时间： | 2018-12-01 |
| 修稿时间： | 2019-05-15 |
Numerical simulation of influence of compressional fluctuation amplitude on zero correction of satellite magnetometer |
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| WANG Guoqiang,PAN Zonghao,HU Xiaowen,LIU Kai,MENG Lifei,YI Zhong,ZHANG Tielong.Numerical simulation of influence of compressional fluctuation amplitude on zero correction of satellite magnetometer[J].Spacecraft Environment Engineering,2019,36(3):229-234. |
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| Authors: | WANG Guoqiang PAN Zonghao HU Xiaowen LIU Kai MENG Lifei YI Zhong ZHANG Tielong |
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| Institution: | 1. Institute of Space Science and Applied Technology, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China;2. Key Laboratory of Lunar and Deep Space Exploration, Chinese Academy of Sciences, Beijing 100101, China;3. Department of Geophysics and Planetary Science, University of Science and Technology of China, Hefei 230026, China;4. Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China;5. Space Research Institute, Austrian Academy of Sciences, Graz A-8042, Austria |
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| Abstract: | In this paper, the error characteristics of the zero compensation for the magnetometer are numerically analyzed by the Davis-Smith method under different relative amplitudes of compressional fluctuations. Our results show that as the relative amplitude of the compressional fluctuation decreases, the error of the zero compensation value for the magnetometer would decrease. When there is a wave in a certain component of the magnetic field with the same frequency as the compressional fluctuation, and the amplitude comparable to that of the compressional fluctuation, the zero compensation error of this magnetic field component will be relatively large. So we suggest that the reference value of the ratio of the average fluctuation amplitude of the magnetic field fluctuation to that of the compressional fluctuation ranges between 5 and 10; wherein the larger the reference value, the smaller the zero compensation error will be. |
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| Keywords: | magnetometer calibration Davis-Smith method compressional fluctuation zero offset compensation error characteristics numerical simulation |
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