滚动轴承作为航空发动机转子系统广泛采用的一种支承，其力学特性对转子系统的动力特性有重要的影响，尤其是高速下更为显著。
The ball bearing is widely used in aero-engines. Its mechanical properties exert important influence on the dynamic characteristics of rotor systems, especially at high speed.
在考虑齿轮时变啮合刚度的情况下，建立了齿轮耦合的转子-轴承系统的非线性动力学模型。
Considering the time varying meshing stiffness of gear pair, the nonlinear dynamic model of a geared rotor bearing system is established.
这种测试技术已成功地用于不同类型轴承支承下的转子轴承系统的稳定性研究。
This testing technique has been applied to stability study on a rotor bearing system supported by various kinds of bearing.
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