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。
A good example of this brings to mind a recent modal test on a troublesome torsional vibration shaker system.
这个很好的例子使我想起了近期的一次模态试验，试验是在一个棘手的扭转振动台系统上进行的。
The tire modal test and its application to the tire structure design were analysed, and a tire modal analysing test system was established.
分析了轮胎模态分析的试验方法及其在轮胎设计中的应用，并建立了轮胎模态分析试验系统。
The composition and configuration of hardware and software for the multipoint excitation system and theoretical base and basic calculation of modal test technique are discussed.
综合论述了多点激振系统的硬件、软件的组成与配置，以及模态试验技术的理论依据和基本算法。
Modal calculation of resonant bending system was made with the finite element method, and the results are validated by the modal test.
进一步进行了试验系统的有限元模态计算，并利用模态测试对有限元计算的有效性进行了验证。
The follow-up unit is the essential structure of the rack section of modal analysis test suspension system, its rigidity and intensity directly influence overall performance of system.
随动部件是模态悬挂测试系统机架部分的关键结构，其刚度和强度直接影响了整个系统的性能。
Vibration characteristic was calculated by using finite element transfer matrix method of multibody system and modal test was completed for a certain naval gun.
使用有限元传递矩阵法分析了某大长径比弹箭的固有振动特性，成功求得了其固有振动频率和振型函数，计算结果得到试验验证。
Vibration characteristic was calculated by using finite element transfer matrix method of multibody system and modal test was completed for a certain naval gun.
使用有限元传递矩阵法分析了某大长径比弹箭的固有振动特性，成功求得了其固有振动频率和振型函数，计算结果得到试验验证。
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