The dynamic equations were derived from the system energy equations, and vehicle-human system vibration simulation in time domain as well as experiment verification was carried out.
模型中引入了四轮相关路面激励和人体模型，以能量方程推导出系统的动力学方程，进而对系统的振动过程进行了时域模拟和试验验证。
Simulation results show that non-stationary noise can be identified in time domain and resolution improvement is obvious compared with that of conventional noise detection in frequency domain.
实验表明：非平稳噪声在时域中是可以识别的，与传统的噪声频域检测方法相比，分辨率有明显的改善。
Based on the establishment of the dynamics model of milling processes with two degrees of freedom, the end-milling processes are simulated in time domain by using numeric simulation technology.
然后以铣削为对象，建立了两自由度的铣削加工颤振动力学模型，并运用数字仿真技术，对动态端铣过程进行了时域仿真研究。
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