然后计算了考虑接地印迹长度的垂直接地动特性，并采用模态综合方法分析了车轮、悬架与车身组合系统的特性。

Then vertical contact dynamics of tire is analyzed with contact patch considered, and that of the system composed of wheel, suspension and car body are analyzed by using modal synthesis method.

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结果表明装有动力吸振器的汽车可以较好地改善在高频段车身的剧烈振动和轮胎的接地性。

All results show that the suspension with dynamic absorbers can improve vehicle riding comfort and tyre road holding.

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