Secondly, to make a vibration analysis of catenary.
第二，分析接触网的振动特性；
Why is natural frequency important in vibration analysis?
在振动分析中，为什么自然（固有）频率很重要？
CNC lathe; intelligent fault-diagnosis; Bayesian Network; vibration analysis.
数控车床；智能故障诊断；贝叶斯网络；振动分析。
It is important for random vibration analysis of the inclined isolator system.
这对随机激励下斜置隔振系统的振动分析有重要的指导作用。
Vibration analysis and control of offshore structures in random floating-ice field.
随机浮冰场中海洋平台的振动分析与控制。
Vibration analysis show that dimer and trimer have typical red-shift hydrogen bond.
振动分析表明二聚体和三聚体存在典型的红移氢键。
Numerical examples show that this method has high accuracy in the vibration analysis.
计算结果表明该方法在动力问题的分析中有较高的精度。
Now, vibration analysis and vibration design have been the key point of product design.
现在振动分析和振动设计已成为产品设计中的一个关键环节。
There are some references sense in the study for vibration analysis of marine structures.
这一研究对海洋结构的振动分析有一定的参考价值。
This paper discussed the transfer matrix theory of vibration analysis of long-span arch bridge.
本文探讨大跨度拱桥振动分析传递矩阵法理论。
Fast Matrix Exponent Method was introduced and developed for large structure vibration analysis.
提出了快速矩阵指数法，并将它应用于大型结构的振动分析。
This paper presents some results in random vibration analysis by state space method in time domian.
本文用状态空间方法给出随机振动在时域分析中的一些研究成果。
The coupled vibration analysis of long-span rail-way curved-girder bridges and vehicles was discussed.
以某铁路曲线连续梁桥方案为例，讨论了大跨度铁路曲线梁桥的车桥耦合振动。
The dynamic load on powerhouse when operating is the basic data of dynamic design and vibration analysis.
水电机组在实际运行过程中所承受的各类动载荷是进行振动分析和动态设计的基础数据。
Intermediates and transition states are confirmed by the results of vibration analysis and IRC calculation.
振动分析和IRC计算结果都证实了中间体和过渡态的真实性。
Sound and vibration analysis can fully identify the source of noise, thus controlling the noise accordingly.
声振分析能从根本上弄清结构产生噪声的根源，从而有针对性地对噪声进行控制。
The paper discusses random parameters response analysis and vibration analysis methods for random structures.
介绍了随机参数的类型，随机参数结构的响应分析及振动分析方法；
Then, the rocking vibration analysis of elastic strip foundation resting on saturated grounds is investigated.
接下来本文进一步研究了饱和地基上条形弹性基础的摇摆振动问题。
The vibration design is processed through the vibration analysis of full diameter fan of cold air island plant.
通过对电厂空冷岛大直径风机的振动分析，进行减振设计。
The weighted equivalent linearization technique is an effective approximation for nonlinear random vibration analysis.
加权等价线性化方法是研究非线性随机振动的一种有效近似方法。
Accelerometer and soft tissue such as skin and muscle have an influence on the result of sound vibration analysis of bone.
在骨声振动分析中皮肤、肌肉等软组织、加速度计对结果有一定的影响。
It is also compared that the difference between three-dimension and two-dimension model of building in vibration analysis.
比较了建筑三维模型和二维模型用于振动计算的区别。
The coupled vibration analysis of rail-way simple-supported curved-girder Bridges and vehicles was discussed in this paper.
以某铁路曲线多跨简支梁桥为例，讨论了考虑桩土作用的铁路曲线梁桥车桥耦合振动。
The rotation effect of running cars in vehicle-bridge coupled vibration analysis was considered, though its effect is minor.
并考虑了车-桥耦合振动中行驶车辆的转动效应，虽然它的影响是很小的；
The signal de-noising processing and signal source identification are two important problems in mechanical vibration analysis.
信号的消噪处理和信号源识别是振动分析中的两个重要问题。
The optical technology used in accuracy test, displacement measurement and vibration analysis has more and more importance today.
光学技术用于精度检验、位置测量或振动分析，现已越来越具有重大的意义。
Blasting vibration analysis is one of the important foundations for studying the control technology of blasting vibration damage.
爆破振动分析是研究爆破振动危害控制技术的基础和前提之一。
Blast vibration analysis is a foundation for studying control of blast vibration damage and provides a prerequisite to controlling blast vibration.
爆破振动分析是研究爆破振动危害控制的基础，也是控制爆破振动危害的前提。
Under cross wind action, vehicle-bridge coupling vibration analysis requires consideration of aerodynamic force parameters of vehicle and bridge deck.
侧向风作用下的车桥耦合振动分析需要考虑相互气动影响的车辆和桥梁各自的气动参数。
A new method for a vertical non-stationary random vibration analysis of vehicle-bridge systems subjected to track irregularity excitations is proposed.
提出了考虑轨道高低不平顺时进行车桥耦合系统垂向非平稳随机振动分析的新方法。
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