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VERFAHREN ZUR KALIBRIERUNG EINES MAGNETOMETERS
VERFAHREN ZUR KALIBRIERUNG EINES MAGNETOMETERS
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摘要
The invention concerns a method for calibrating a magnetometer, comprising the following steps: - the magnetometer travels through (S1) a set of positions on a path, - acquisition (S2) by the magnetometer of a plurality of measurements of the magnetic field; - provision (S3) of trajectory information representative of the location and orientation of a point secured to the magnetometer, - matching up (S4) of the measurements of the magnetic field with the trajectory information, - determination (S5) of calibration parameters of the magnetometer by minimising a cost function involving, for a plurality of determination times, at least said calibration parameters, a measurement of the magnetic field, and a relation linking the evolution of a magnetic field with the evolution of the location and orientation of the magnetometer derived from the trajectory information.
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