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Roro Yang Modeling and filtering in signals collected by FOG north seekers North seekers generally use gyroscopes and accelerometers to statically seek north through a multi-position method. Errors in gyroscopes and accelerometers can be divided into deterministic errors and random errors. Deterministic errors can be accurately measured and compensated through multi-position transposition, while random errors have become an important factor affecting the accuracy of north seeking. To this end, various methods have been used to model and filter this random error. The Full Article:
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