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首页> 外文期刊>Sensors Journal, IEEE >Analysis on Systematic Errors of Aeromagnetic Compensation Caused by Measurement Uncertainties of Three-Axis Magnetometers
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Analysis on Systematic Errors of Aeromagnetic Compensation Caused by Measurement Uncertainties of Three-Axis Magnetometers

机译：三轴磁力计测量不确定度引起的航磁补偿系统误差分析

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摘要

Aeromagnetic surveys are important in geophysical prospecting and magnetic anomaly detection. Magnetic fields are typically measured by optically pumped magnetometers (OPMs) mounted on an aircraft. Platform-generated magnetic interference severely compromises the sensitivity of the OPMs. Therefore, aeromagnetic compensation is necessary. However, measurement uncertainties of three-axis magnetometers influence the qualities of aeromagnetic compensation and there is no method that can directly predict the qualities of aeromagnetic compensation before calibration flights. To address this issue, we propose a method to calculate the systematic errors of aeromagnetic compensation caused by measurement uncertainties of three-axis magnetometers and analyze the performance of aeromagnetic compensation in advance of calibration flights. It can be used to estimate the residual errors of aeromagnetic compensation theoretically. Using this method, researchers can assess whether aircraft platforms are appropriate to implement aeromagnetic surveys or not before carrying out experiments in practice. Field experiments are carried out to exhibit how to use the method to calculate the measurement uncertainties of aeromagnetic compensation in different conditions. The results of the experiments demonstrate the validity of the method.
机译：航磁勘测在物探和磁异常探测中很重要。磁场通常由安装在飞机上的光泵磁力计（OPM）测量。平台产生的电磁干扰严重损害了OPM的灵敏度。因此，需要进行航空磁补偿。但是，三轴磁力计的测量不确定度会影响航空补偿的质量，因此没有方法可以在校准飞行之前直接预测航空补偿的质量。为了解决这个问题，我们提出了一种方法来计算由三轴磁力计的测量不确定性引起的航空补偿的系统误差，并在校准飞行之前分析航空补偿的性能。从理论上讲，它可以用来估算航空补偿的剩余误差。使用这种方法，研究人员可以在进行实际实验之前评估飞机平台是否适合进行航空电磁测量。进行了现场实验，以展示如何使用该方法来计算不同条件下航空补偿的测量不确定度。实验结果证明了该方法的有效性。

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  • 来源
    《Sensors Journal, IEEE》 |2019年第1期|361-369|共9页
  • 作者

    Peilin Wu; Qunying Zhang; Luzhao Chen; Guangyou Fang;

  • 作者单位

    Key Laboratory of Electromagnetic Radiation and Sensing Technology, Institute of Electronics, Chinese Academy of Sciences, Beijing, China;

    Key Laboratory of Electromagnetic Radiation and Sensing Technology, Institute of Electronics, Chinese Academy of Sciences, Beijing, China;

    Key Laboratory of Electromagnetic Radiation and Sensing Technology, Institute of Electronics, Chinese Academy of Sciences, Beijing, China;

    Key Laboratory of Electromagnetic Radiation and Sensing Technology, Institute of Electronics, Chinese Academy of Sciences, Beijing, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Magnetic fields; Magnetometers; Systematics; Measurement uncertainty; Magnetic field measurement; Interference; Aircraft;

    机译：磁场;磁力计;系统学;测量不确定度;磁场测量;干扰;飞机;

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