| 摘要 |
<p>The invention relates to a method for a field compensation of an electronic compass for influences to a geomagnetic field by magnetic objects in the vicinity of the compass, that is done with acquiring a magnetic field value by a magnetic field sensor and acquiring an inclination with respect to level plane by an accelerometer, in a discrete set of multiple orientations of the compass. Therein, a user guidance for subsequently orienting the compass into a predetermined desired range of orientation is provided to the user. In the following, compensation data are calculated from those magnetic sensor acquisitions to compensate for the influences in such a way, that a magnetic north heading is determinable based on the compensated magnetic field values. Therein, the user guidance for the compensation is done with a gathering of directional information based on rotary rate readings from a gyroscope for an azimuthal component of the orientation.</p> |
