The machine modes were tested by LMS modal test system. The correlation between the experimental modes and the simulation modes was analyzed and the simulation model was modified.
应用LMS模态测试系统对整机进行了模态测试，对试验模态与仿真模态进行相关性分析并修正仿真模型。
The goal of a modal test is to extract the accurate dynamic system characteristics.
模态试验的目的是要提取准确的系统动力学特性。
In this paper, focus on vibrating problem of floor during one sedan development, the author finds out the reason lies to exhaust pipe system by road test and modal test.
针对某轿车开发过程中的地板振动问题，通过道路试验和模态试验，发现排气管的振动对地板振动影响很大，是地板振动的主要原因。
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