Disturbing magnetic field compensation method
A technology of interference magnetic field and compensation method, which is applied in the direction of stray field compensation, the size/direction of magnetic field, etc., can solve the problem of occupying a large space and achieve the effect of reducing the influence of magnetic field
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[0020] Examples are listed below to further describe the present invention in detail.
[0021] This embodiment provides this kind of interference magnetic field compensation method when the tracking compensation sensor is in the non-working area of the magnetic field coil, which can eliminate the difference in the field coil constant of the primary compensation winding caused by the increase of the distance, and make the primary field coil in the standard magnetic field coil The magnetic field coil constant of the compensation winding at the position of the sensor for tracking compensation is equal to the magnetic field coil constant at the position of the measured object.
[0022] In the weak magnetic field measurement test, the standard magnetic field is generated by the magnetic field coil, and then the measured object is placed in the working area of the magnetic field coil. In order to eliminate the interference magnetic field, it is necessary to design the interferenc...
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