It has been verified that the standard deviation of hunting wave of car bogie frame, which is very important to the transverse vibration analysis of the system, is the energy input into the system.

研究证明，构架蛇行波标准差是输入此系统横向振动的能量，因此，有关它的研究十分重要。

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The dynamical model for vehicle system with the rubber-tired bogie is established and the influence of stochastic excitation on vibration performance for vehicle system is investigated.

在建立橡胶轮转向架车辆系统动力学模型的基础上，研究了随机激扰对车辆系统振动特性的影响。

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On the contrary, the hunting wave of car bogie frame covers the influence of all factors causing transverse vibration of the system and reflects the action of different wheel-rail contact conditions.

相反，机车车辆构架蛇行波反映了引起此系统横向振动所有因素的影响，同时还反映了轮轨实际接触状态。

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