再次，在对轮胎花纹噪声研究的基础上，探讨了道路噪声的发声机理、 发声模型及其仿真模型，并进行了仿真实验分析。
Thirdly, the paper has discussed the generation mechanism, acoustic model and the simulation model of the road noise on the basis of the tire pattern noise, and carried out the simulation analysis.
为了实现气压abs的动态仿真，建立了汽车动力学的四个数学模型：整车模型、单轮模型、轮胎模型和制动器模型。
For achieving the dynamic simulation of air ABS, four math models whole vehicle model, single wheel model, tire model and arrester model were built in thesis.
针对ABS仿真计算的需要，对整个防抱系统进行了建模，包括轮胎模型、车辆模型、制动器模型、液压系统模型和控制器模型；
The whole ABS models are established for the simulation requirement, including tire-road model, vehicle dynamic model, brake disk model, hydraulic system model and the controller model.
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