The random waves, non-linear damp and ship non-linear restore moment are taken into consideration and the ship rolling non-linear differential equation is established.
本文考虑随机波浪及船舶的非线性阻尼、非线性恢复力矩，建立船舶横摇运动的非线性微分方程。
A 4d dynamic model has been established for the vehicle suspension system. No-linear random vibration theory is used to discuss how to solve this equation by FPK based on filtered white noise input.
建立了四自由度车辆悬挂系统的动力学模型，并应用非线性随机振动理论，在对模型输入进行过滤白噪声简化的基础上，探讨了用FPK法解方程的可能途径。
A 4d dynamic model has been established for the vehicle suspension system. No-linear random vibration theory is used to discuss how to solve this equation by FPK based on filtered white noise input.
建立了四自由度车辆悬挂系统的动力学模型，并应用非线性随机振动理论，在对模型输入进行过滤白噪声简化的基础上，探讨了用FPK法解方程的可能途径。
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