变时基技术在汽车实验模态分析中的应用

Application of Variable Time Base Technology in Experimental Modal Analysis of Motor Vehicle

实验模态分析是了解汽车动态特性的重要工具。文中介绍了用基于变时基技术的冲击激励实验模态分析对某改装汽车进行的分析。利用分析结果，对该汽车动态设计水平进行了评价。

A hammer exciting experimental modal analysis based on variable time base technology for a motor vehicle body is reported. With the information provided by the analysis, the dynamic characteristics of the vehicle body are evaluated.