A dynamic north-finder scheme based on the fiber optic gyroscope (FOG) is presented to measure the north component of the angular velocity of earth rotation.

提出了一种基于光纤陀螺的动态寻北方案，运用光纤陀螺测量地球角速度的北向分量。

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Another test, involving the precession of a gyroscope in a satellite circling the earth, is scheduled for the 1970s.

七十年代还安排了另一实验，它包括绕地球旋转的卫星中的陀螺进动性试验。

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A new method, gadient algorithm, is put forward to replace the laser gyroscope for the antenna autotracking system of the mobile satellite communication earth station.

某些移动卫星通信天线自动跟踪系统采用激光陀螺进行跟踪，但激光陀螺跟踪有其不足之处。

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However, the Earth's axis is unstable and wobbles like a gyroscope over a period of 26, 000 years.

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