true azimuth of celestial body 天体真方位
true azimuth angle 直方位角
true azimuth survey 真方位角测量
true north azimuth 真北方位角
True azimuth of moving target is determined using phase-comparison interferometer.
动目标的真实方位由相位比较干涉仪测定。
On condition that we have known the true azimuth of the tunnel and determined only two false dip in the tunnel, the attitude value has gotten by simple computation.
在已知巷道掘进方位角前提下，仅现场实测两个伪倾角数值，经简单公式计算，便可得到顶板产状。
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.
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。
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