本文基于陀螺进动原理，推导出陀螺进动时的角速度和自转角速度关系式，结合电磁感应原理和光敏电阻特性制作了陀螺实验装置，同时精确测出陀螺的公转周期与自转周期，进一步计算了陀螺的转动惯量，并用平行轴定理所得的计算结果验证了此装置的理论方法与测量结果的正确性.

In this paper，an experimental scheme to study gyroscope precession characteristics is introduced. Based on the principle of gyroscope precession，the relationship between the angular velocity and the angular velocity of the gyroscope precession is derived，and the gyroscope experimental device is fabricated based on the principle of electromagnetic induction and the characteristics of the photoresistor. At the same time，the revolution period and rotation period of the gyroscope are accurately measured，and the calculation is further calculated for the rotational inertia of the gyroscope，the calculation results obtained by the parallel axis theorem verify the correctness of the theoretical method and measurement results of the device.