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 testing of structural modal parameters is an important basis of dynamic response analysis and structural damage detection.
结构模态参数的测试是进一步进行结构动力响应计算、结构损伤检测等的重要基础。
The variation of structural frequency before and after the damage is believed to be a most available and widely used modal parameter because of its easy testing and high measure precision.
由于结构频率容易测试并且有较高的测量精度，因此成为损伤识别中广泛应用的模态参数。
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。
A common microcomputer is used to perform all the computation. The analytical results of a missile modal testing are given. Satisfactory results and useful conclusions have been obtained.
通过某一导弹的模态试验在微型机上实现了全部的分析计算，获得了满意的结果和有益的结论。
But its effectiveness is based on accuracy of modal testing, while the measurement locations and the number of transducers have a decisive effect on testing results.
但其有效性的基础是建立在模态测试的准确性上，而传感器布设的位置、数量对测试结果起决定作用。
An damage indicator was defined to determine the location of structural damage elements, and the proper testing modal modes used in the inverse computation could be selected accordingly.
基于模态力余量，定义了一种损伤指标来预先判定结构损伤单元的位置，并可据此选取合适的测试模态阶数进行反演计算。
In this paper, a method that identifies the modal parameters by means of testing data is described, and then its application in the modal analysis of satellite instrument section is introduced.
本文讨论一种利用实验数据识别模态参数的方法，并介绍了它在卫星仪器舱段模态分析中的应用。
Based on the modal analysis theory, modal testing system is built, and the modal parameter of the Diesel Engine Main parts and the Combined Structure are obtained by using software.
本文根据模态试验理论搭建了模态试验系统，获取了柴油发动机主要零部件及其组合结构的模态参数。
Take model of drill pipe frame as a example, experimental modal based on ODS s testing method is studied and the modal parameter is distinguished and the testing results are analyzed.
以钻架模型为实例，研究了其ODS测试方法试验模态，识别其模态参数，分析其测试结果。
A reliability boost model for power plant equipment is presented, together with a description of a method for estimating the parameters and testing the modal fitting quality.
本文提出了发电设备可靠性的增长模型，介绍了该模型的参数估计和拟合检验方法。
Some modal natural frequencies and damping coefficients of a structure are derived by means of in-sita testing displacement records and the time domain identification technique.
本文根据原型振动实测的位移记录，应用时间域识别法，求得了结构的前几阶模态的固有频率和阻尼比。
The inherent frequency and modal testing about end winding of generator stator are introduced, the vibration of end winding on-line monitoring is analyzed, a personal point of view is introduced.
对发电机定子绕组端部固有频率的测试及模态试验分析作了简要的介绍，对端部绕组振动的在线监测作了简要分析，同时提出了一些个人看法。
The inherent frequency and modal testing about end winding of generator stator are introduced, the vibration of end winding on-line monitoring is analyzed, a personal point of view is introduced.
采用正交各向异性叠层复合材料加筋圆锥壳模型，对大型汽轮发电机定子端部绕组整体结构的固有振动问题进行了研究。
The inherent frequency and modal testing about end winding of generator stator are introduced, the vibration of end winding on-line monitoring is analyzed, a personal point of view is introduced.
采用正交各向异性叠层复合材料加筋圆锥壳模型，对大型汽轮发电机定子端部绕组整体结构的固有振动问题进行了研究。
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