测得了机组的振动量值，对测得的振动信号进行了波形分析、转速谱阵分析及轴心运动轨迹分析。
Tested vibration signal wave form analysis, speed spectrum matrix analysis, and shaft centerline orbit analysis are made.
计算结果表明，在非线性因素作用下，轴承中心的轴心轨迹不再具有对称性，而轴颈中心却表现为一种稳定的运动状态。
The results shown that, with the effect of nonlinear components, the symmetry of rotation trajectory of the bearing center was broken, and the motion of the journal center presented a steady state.
通过分析某精密转轴轴心径向回转误差运动轨迹的方差变化规律，证明该轴的回转运动具备了分数布朗运动的基本特征。
According to variance changing laws of a precise rotor radial rotating error motion, it can be proved that the rotor's motion track is characterized by fractional Brownian motion.
运动增量编码器(IME)是一种新型的轴心轨迹测量传感器，其测量灵敏度可以达到亚微米级。
Incremental motion encoder (IME) is a new type of transducer for shaft center trace measurement with resolution up to sub-micro.
使用TD800测试系统，能够实时地测出转动副轴心的运动轨迹、振动波形以及轴在空间的运动姿态。
The orbit and the vibration of the pin center and the attitude of the axis of pin in the revolute joint are measured by the TD800 test system.
推导出了系统的非线性运动方程，所求方程的近似周期解即为轴心轨迹。
The nonlinear motion equations of the systems are derived and the journal orbits are determined as aPProximate solution of those equations.
推导出了系统的非线性运动方程，所求方程的近似周期解即为轴心轨迹。
The nonlinear motion equations of the systems are derived and the journal orbits are determined as aPProximate solution of those equations.
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