Magneto- electronic compass error compensation method
An electronic compass and error compensation technology, applied in directions such as compass, measuring device, surveying and navigation, etc., can solve problems such as limiting measurement accuracy, and achieve the effect of high-precision measurement
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[0020] A specific example of using the patent of the present invention to realize the error compensation of the magnetic electronic compass is given below.
[0021] In this example, the high-performance three-axis magnetoresistive sensor is used as the geomagnetic azimuth sensor to measure the components of the geomagnetic field on the x-axis, y-axis, and z-axis of the carrier A dual-axis acceleration sensor is used as a pitch angle (θ) and roll angle (γ) measurement sensor. Combining the information of the above multiple sensors, the high-precision measurement of the geomagnetic azimuth is realized.
[0022] The realization of the magnetic electronic compass error compensation method proposed by the patent of the present invention is divided into two stages, that is, the coefficient calculation stage of the calibration process and the error compensation stage of the use process. In the calibration process, the compensation formula coefficient is calculated according to ...
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