三轴磁力仪不需要地球场补偿的精确标定方法
Precise calibration method for triaxial magnetometers not requiring Earth's field compensation
摘要：
本文提出了一种三轴磁强计的标定方法。该程序使用三轴亥姆霍兹线圈系统和Overhauser标量磁力计，并在地球磁场范围内进行。首先用Overhauser磁力计校准三轴线圈，随后执行三轴磁力计校准。与其他校准方法相反，既不需要地球磁场调零系统，也不需要磁力计的移动。进行了实际校准试验，扩展校准不确定度灵敏度优于430ppm，正交性优于0.06°。
英文摘要：
A calibration procedure for calibrations of triaxial magnetometers is presented. The procedure uses a triaxial Helmholtz coil system and an Overhauser scalar magnetometer and is performed in the Earth's field range. The triaxial coils are first calibrated with the Overhauser magnetometer, and subsequently, a triaxial magnetometer calibration is performed. As opposed to other calibration approaches, neither Earth's field nulling system nor movements of the magnetometer are needed. A real calibration test was carried out-the extended calibration uncertainty was better than 430 ppm in sensitivity and 0.06° in orthogonality.
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