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PND repositioning detector for better navigation accuracy in automobiles
PND repositioning detector for better navigation accuracy in automobiles
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机译:PND重新定位探测器可提高汽车的导航精度
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摘要
An apparatus and method for a personal navigation apparatus comprising a personal navigation device (PND) for providing navigational guidance information. The PND may include a single-dimensional magnetic detector for sensing magnetic flux amplitudes of a magnetic field generated by a magnet. Alternatively, the PND may include a three-dimensional magnetic detector and a magnetic calibration module for determining an ambient magnetic field calibration value representing immediate surroundings of the PND.
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