以斜支承弹簧系统为研究对象，建立了矩形脉冲激励下系统非线性动力学方程。
The nonlinear dynamical equations of inclined support spring system were obtained under the excitation of rectangular pulse.
研究表明：无量纲脉冲激励幅值、无量纲脉冲激励周期、系统支承角及阻尼等对系统响应峰值影响显著。
It was concluded that the effects of peak pulse acceleration, pulse duration, Angle of tilted support spring and damping ratio of the system are particularly noticeable.
转子位移激励的幅值受到支承轴承游隙的约束，当转子达到“特定”转速以后受到轴承游隙的限制而等于游隙。
This is mainly due to the fact that the rotor displacement excitation amplitude is constrained by the windage of the rotor backup bearing.
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