The test modal analysis is an effective means to identify the intrinsic attribute of a mechanical structure.
试验模态分析是识别机械结构系统固有特性的一种常用、有效的现代技术。
As in most experimental situations, the success of the experimental modal analysis process depends upon having very specific goals for the test situation.
大多数试验情况下，成功进行模态试验依赖于对试验情况有非常明确的目标。
The error analysis proves that this method can realize the exact identification of the structure boundary support stiffness if the modal test results are of enough accuracy.
误差分析表明，如果模态试验结果具有足够的精度，用本文方法能够准确地实现结构边界支承刚度识别。
Finally, Based the analysis of theory modal, a modal testing program has been designed according to the existing test equipments, which prepares for the next testing of the vibration and noise.
在理论模态分析的基础上，根据现有的试验设备设计了合理的试验方案，为下步的振动与噪声的试验做了必要的理论准备。
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。
The contrastive analysis of modal test and simulation computation show that the finite element model of body-in-white has well represented the vibration characteristics of the original structure.
模态试验和仿真计算的对比分析结果表明，所建立的白车身有限元模型较好地反映了原结构的振动特性。
Based on the modal test results of truck cab, the finite element model for dynamic analysis of the truck cab was modified.
本文利用货车驾驶室的测试模态参数来修正其有限元动力分析模型。
The accuracy of model and its method is verified by modal test. The construction and analysis of the frame model is very important to the virtual development of the new IVECO car.
通过与车架模态试验结果对比，验证了模型和建模方法的准确性，对IVECO新车型的虚拟开发具有重要意义。
A test modal analysis of the damage about the shaft structure components is analyzed by the pulse-excitation method.
利用脉冲激励法对轴结构件损伤状况进行了试验模态分析。
The paper applies the vibration theory, modal analysis theory and the technique of vibration testing & signal processing to make an analysis of the calculating modal and test dynamic characteristics.
应用振动理论、有限元方法、模态分析理论对干燥机进行了计算模态分析和动态试验。
The shortcomings of computation analysis and test analysis in modal analysis are analyzed and the reasons are discussed.
分析了模态分析中计算分析和试验分析各自的不足，讨论了造成结果误差的原因。
The test modal analysis and the analysis of deformation due to operation are the ways the author takes in doing the job.
采用试验模态分析和工作变形分析方法，探讨了摩托车整车振动问题的分析和解决思路。
Modal test and analysis of X-2 missile are discussed here in detail. Some test results are given Finally, the application of modal test and analysis in missile design is introduced.
本文详细叙述了X - 2导弹的模态试验及分析，给出了有关的试验结果，并对模态试验分析在导弹设计中的应用作了介绍。
Meanwhile, the modal analysis is used to test the detection arm's natural frequency and structural vibration modes, which provides a reference for the stability test of the bridge inspection vehicle.
同时对检测臂进行了模态分析，测出了其固有频率和结构振型，为检测车工作时的稳定性要求提供了参考。
During the model test, integrity modal parameters are obtained via the single-input multi-output analysis method. The reliability of tests signals is also evaluated by the coherence function.
模态测试时，利用单点(多激振点)激励多点响应模态试验分析方法来获取完整模态参数，引入相关函数分析测试信号的可靠性。
Based on the experimental results of the above three methods, modal parameters of the vibration test bench are determined by the comprehensive analysis.
通过对上述三种方法实验结果的综合分析，确定振动教学实验台的模态参数。
Based on the results of modal analysis and optimization, some modifications to the frame are accomplished. The road test results show that the ride comfort of the motorcycle is improved.
最后针对模态分析和优化结果对车架结构进行了改进改进后的整车平顺性道路试验表明摩托车的振动舒适性得到改善。
Based on the results of modal analysis and optimization, some modifications to the frame are accomplished. The road test results show that the ride comfort of the motorcycle is improved.
最后针对模态分析和优化结果对车架结构进行了改进改进后的整车平顺性道路试验表明摩托车的振动舒适性得到改善。
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