在实现寻北功能后，再通过施加力矩的方法使陀螺仪主轴转到真北方向，使系统工作于方位仪模式，则陀螺主轴就能始终保持在真北方位上，不断地指示车体相对北向方位的方位角。
After that, rotating the sensitive axis of the gyro to point the true north, the instrument is working in the azimuth mode to constantly display azimuth angle of the carrier.
由陀螺仪寻北中天法的基本原理出发，提出了一种固定照准部的初寻北半周期中天法。
Based on the principle of period transit method, semi-period transit method of collimation is proposed to improve the north-seeking speed and the automatic degree.
采用静电陀螺仪组成寻北仪可采用以下两种方式：力反馈方式和自由陀螺方式。
The ESG north finder can work in two versions: torque rebalance method and free gyro method.
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