Thispaper presented one high precision magnetic heading system, and use neural network to correct the remnant deviation of compass.
给出了一种高精度的磁罗经航向系统，应用神经网络进行剩余自差的自动校正。
The iron in the ship caused a deviation of the magnetic needle of the compass.
这块在船上得铁引起罗盘磁针的背离。
The deviation from vertical, irrespective of compass direction, expressed in degrees.
偏离垂直方向的角度，与指南针方向无关，以度数来表示。
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