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<p>Magnetic field measurements delivered by spacecraft are often contaminated by artificial magnetic fields generated by other instruments or spacecraft subsystems. In this work we propose an advanced multi-sensor data cleaning method able to remove <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(3(N-1)\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mn>3</mn> <mo stretchy="false">(</mo> <mi>N</mi> <mo>-</mo> <mn>1</mn> <mo stretchy="false">)</mo> </mrow> </math></EquationSource> </InlineEquation> independent disturbances from <i>N</i> sensors data. The BepiColombo composite spacecraft is a good test-bed to illustrate the application of the proposed method. We identify five disturbance sources in the magnetic field data measured by the Mercury Planetary Orbiter magnetometer during the cruise phase, and apply the novel method to a 7 h interval to remove the disturbances. We show that all five disturbances are most probably produced by the solar panels of the Mercury Transfer Module.</p> Graphical abstract <p></p>

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Disturbance-aligned-frame gradiometer technique for removal of spacecraft-generated disturbances from the BepiColombo magnetic field data

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年1月29日

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  • O. D. Constantinescu,
  • H. U. Auster,
  • D. Fischer,
  • D. Herčík,
  • D. Heyner,
  • F. Plaschke,
  • I. Richter,
  • W. Magnes

摘要

Magnetic field measurements delivered by spacecraft are often contaminated by artificial magnetic fields generated by other instruments or spacecraft subsystems. In this work we propose an advanced multi-sensor data cleaning method able to remove \(3(N-1)\) 3 ( N - 1 ) independent disturbances from N sensors data. The BepiColombo composite spacecraft is a good test-bed to illustrate the application of the proposed method. We identify five disturbance sources in the magnetic field data measured by the Mercury Planetary Orbiter magnetometer during the cruise phase, and apply the novel method to a 7 h interval to remove the disturbances. We show that all five disturbances are most probably produced by the solar panels of the Mercury Transfer Module.

Graphical abstract