Dynamic characteristics of collaborated system mainly include natural vibration frequency and principal mode, which is the base and precondition of dynamic analysis for collaborated system.
协作体系的动力特性主要包括体系的自振频率和主振型，它是协作体系结构动力分析的基础和前提。
The reinforced concrete base of a chimney to be demolished is near to a distribution station and breast wall sensible to blasting vibration and there is an important high voltage line over it.
待拆烟囱的钢筋混凝土基础紧邻对爆破震动极为敏感的配电站和挡土墙，其上方又有重要的架空高压输电线。
The methods proposed in this dissertation, can meet the requirement of decreasing vibration and noise for flexible base, and have some practicability and reference value.
本文所提出的方法，能够满足柔性基础减振降噪的要求，具有一定的实用性和参考价值。
Use two freedom vibration theory, base on impact has instant motion characteristic, use puncher example, study the isolating vibration design of impact base.
应用两自由度振动理论，根据冲击具有瞬态运动的特点，以冲床为例，研究冲击基础的隔振设计。
It is different from base isolation system and roof isolation system in many aspects, such as, its vibration reduction mechanism, dynamic characteristics and design method, etc.
层间隔震结构在减震机理、振动特性以及设计方法等诸多方面有别于基础隔震结构和屋盖隔震结构。
Torsional vibration of a circular piezoelectric shell of polarized ceramics mounted on a rotationally vibrating base was analyzed.
以线性压电理论为基础，分析了压电陶瓷圆柱壳的扭转振动问题。
Calculation of the stator modal frequencies of an electrical machine accurately is the base of reducing acoustic noise and vibration.
准确计算定子模态和固有频率是降低电机噪声和振动的基础。
In this paper the dynamic influence depth and the soil mass of participating in vertical vibration are researched for inhomogeneous base soils under machine foundations.
对设置在不均质地基上的机器基础的动力影响深度问题以及地基土的参振质量问题进行了初步的研究。
Meanwhile, the effect of depth of embedded footings on the mass of base soil participating in vibration is also studied.
文中还讨论了基础埋置深度对参振土质量和地基刚度的影响。
Base on that, the application of wavelet transformation in fault diagnosis to analyse nonstationarity of roller bearing vibration signals with Daubieches wavelet is introduced.
针对轴承振动的非平稳性特点和频谱成分的混杂性，提出了基于小波的信号自适应阈值降噪法。
The problems about the vibration reliability have got the recognition in more and more trades, and have been taken into some researches on the base of normal reliability.
振动可靠性方面的问题已经得到了越来越多行业的重视，且其研究绝大多数是基于常规可靠性的。
Special housing could reduce noise and vibration, best design on the impeller base on aerodynamics.
新型设计的机壳以及依照空气动力学设计的叶轮，能够减少振动和噪音。
This research can provide the base to select and design vehicle powertrain system of dual mass flywheel type torsional vibration damper.
对汽车动力传动系双质量飞轮式扭振减振器的选型和设计具有一定的参考价值。
The horizontal direction of the mechanism is much easier to be influenced by base vibration than the vertical one, but the readout signal is still good for application.
抖动系统受水平方向上的基础振动影响较大，但抖动信号仍然良好，满足应用要求。
Piezoelectric sensors and actuators are adhered to the base material directly, and compose the active vibration control system along with the single chip.
压电传感器和驱动器直接粘贴在母体材料上，和单片机控制系统一起构成了压电式主动减振智能结构。
By creating the vibration characteristic base of the electric machine, compared with practical vibration states, we can get the fault types of the electric machine.
通过建立电机的振动特征库，把电机的实际振动情况与之相对照，即可得知电机相应的故障类型。
The mounting resonant frequency of vibration measurement system formed with piezoelectric acceleration sensor YD-1 and mounted magnetic base CZ-4 is addressed.
介绍了YD - 1型压电式加速度传感器与CZ - 4型磁座构成的磁座安装测振系统的安装谐振频率。
The acceleration response at the location of the booster device of the system under the projectile base pressure is finally calculated using the modified system vibration model.
最后以弹底压力为弹引系统振动模型的输入，求解引信内传爆管装置处的加速度响应。
The PSD measured on the install base level of the mount as the excitation, the random vibration response of the mount was analyzed with the PSD module of ANSYS.
以镜架支撑安装基面上实测的地面振动速度功率谱密度为激励，运用ANSYS有限元分析软件的PSD分析模块，对该结构系统的随机振动响应进行了分析计算。
In this paper, we get the optimized matching parameter through the analysis of the vibration characteristic on the base of dynamical model of the vibrational grind.
本文通过对振动碾动力学模型的振动特性分析得出合理的质量匹配参数的优化。
Impactabased grain mass senor possesses simple structure and can be applied easily, but it is sensitive to the base vibration caused by combine.
冲量式传感器具有结构简单、使用方便等优点，但容易受到基础振动的干扰。
In this paper, smart base isolation system consisting of rubber bearing and MR damper is applied to structural vibration control.
本文将磁流变(MR)阻尼器与普通橡胶隔震支座相结合，组成智能基础隔震系统应用到结构控制中。
The design principles and optimal method for vibration-impact rammer were proposed on the base of the analysis.
在分析的基础上，提出了设计振动冲击夯时应遵循的原则和优化方法。
A vibration diagnosis and consultation expert system for hydroelectric generating set based on knowledge base and the technique of the expert system is proposed.
本文提出一个基于知识库和专家系统技术的水轮发电机组振动故障诊断与咨询的专家系统。
The impedance of test base directly affects the vibration level of base, thus may influence the effect of vibration isolation equipment.
试验基座的阻抗大小直接影响基座振动的测量结果，从而对隔振装置的隔振效果有着直接的影响。
Numerical results show that the sliding vibration isolation structure using semi-active control not only has good isolation effect, but also has lesser maximum slippage and residual base displacement.
对计算实例的分析表明，通过半主动控制的滑移隔震结构不但具有较好的隔震效果，且能有效地减小基底的最大滑移量及残余位移。
Transmissibility formula is brought forward on the basis of flexible base, and the effect of base impedance on vibration isolation efficiency is discussed.
针对这一问题推导了柔性基础上的传递率计算公式，讨论了基础阻抗对隔振效果的影响。
The dynamic response of machine foundation considering the inertia effect of base soil has been computed. Some factors which affect the mass of base soil participating in vibration are discussed.
在考虑了地基土的惯性作用的基础上，计算了动力机械基础的动力特性和动力响应，讨论了一些对参振土质量有影响的因素。
In this paper, the vibration mechanic at model for a no-base, V-type positon air compressor is deduced, some elementary problems of design and calculation of damping system are expounded.
本文导出了无基础V型活塞式空气压缩机振动的力学模型，阐述了减振系统设计计算的基本问题。
In this paper, the vibration mechanic at model for a no-base, V-type positon air compressor is deduced, some elementary problems of design and calculation of damping system are expounded.
本文导出了无基础V型活塞式空气压缩机振动的力学模型，阐述了减振系统设计计算的基本问题。
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