分离器安装在了三台同时工作的主振动筛上。
The separator was installed on three primary shakers working simultaneously.
从退化系统稳定的主振动解出发，运用摄动法，可研究原系统的拟主振动。
By the perturbation method, one can study the quasi-principal vibrations of the original systems from stable solutions to the principal vibrations of THT degenerate systems.
给出了弹性支承桥梁和车体的振动方程并通过对具有弹性支座简支梁主振动的分析，得出了梁主振型的解析公式。
The principal vibration of a simple beam with elastic supports was analyzed and the analytical formulation of normal vibration mode was derived.
基于有限元方法，对Y7125型磨齿机的砂轮主轴进行模态分析，得出了四阶主振动频率，并对数据进行了处理。
This paper analyzes the modal of Y7125 gear grinder spindle, gets out the main four stages of spindle vibration frequency and deals with the data.
前轮摆振是指汽车在平坦的路面上直线行驶时，转向轮以一定的幅度和频率绕主销持续振动的现象。
Front wheel shimmy is the phenomenon that steering wheels vibrate around king-pin axis with a certain amplitude and frequency when the vehicle travels in a straight road.
应用振动监测技术，通过参数分析、信号分析及谱分析，对反应堆一循环在役主泵的故障进行了分析诊断。
Fault diagnosis of main pump of the primary system of reactor which runs at normal condition is studied by the vibration, analysis technique.
尽管主、被动一体化振动控制的研究已开展多年，具有工程意义的软件化工作还很少。
Although approaches for the integrated passive and active vibration control (IPAVC) have been found in a lot of literatures, the program which can be used in pracitial engineering is still in short.
利用压电效应能够对结构振动进行有效的主动和主被动控制。
Utilizing piezoelectricity, the structure vibration can be effectively controlled by active or passive method.
对于因主梁结构设计得轻柔而引起的振动问题，作了初步的探讨。
The article also tries to discuss on vibration problems aroused by gently structure design.
其次，本文对主梁进行了模态分析，研究了主梁的振动特性以及运行机构底座处下盖板在振动的影响下，产生裂纹的可能性。
Secondly, carry on the mode analysis to the girder, research the girder vibration property and the probability of crackle takes shape in the vibration effects of traveling organization pedestal.
本文对主梁的颤振导数识别，采用与主梁颤振分析试验相同的节段模型和测量装置，以自由振动法进行试验。
This paper makes use of free vibration method, using the same model and measuring device to identify the flutter derivatives of the girder.
首次提出对柔性连杆机构振动采用主被动混合控制的方法。
The method of active passive vibration hybrid control for flexible mechanisms is proposed for the first time.
建立了该钻机井架与钻台结合体固有振动特性理论分析的有限元模型并给出了其固有振动频率结果和相应的主振型。
The finite model of the derrick and drilling platform connecting unit is built and the natural vibration frequency and the corresponding vibration mode of it are given here.
本文从被动控制、主动控制及主被动一体化控制等方面论述了柔性机构振动控制领域的研究现状、主要研究方法及存在的问题。
The current research states of passive, active and integrated vibration control for flexible mechanisms are presented. The main research methods and the existing problems in the area are reviewed.
在测试的过程中，主成分分析作为数据预处理，提取特征指数从振动信号的统计特征作为输入SVDD分类。
In the process of test, principal component analysis is used as data preprocessing to extract the feature index from vibration signal statistic features as the input of SVDD classifier.
研究由弯斜拉桥桥面振动引起的斜拉索参数共振和主共振问题。
The parametric and primary resonances of stay cables excited by the vibration of deck of curved cable-stayed bridge are investigated.
斜置式对称分布的主振弹簧，使得振动筛在运行时平和稳定，隔振效果极好。
The tilting symmetric distributed main-vibrating spring makes the vibrating screen smooth during operation and vibration isolation effect is very good.
运用主成分分析方法，经过矩阵变换，提取振动信号的主要信息，从而实现对振动噪声源的分析。
The main vibration signals can be obtained by reducing its dimensions through matrix conversion in the principal component analyzed, and realize the analysis to the vibration noise source.
并且，钝体截面的主拱在低风速下容易产生涡激振动。
The vortex shedding vibration will take place at the relative low wind speed because of arches blunt section.
根据体育场主看台弧形挑篷的风荷载和振型函数特点，提出并建立了极坐标下计算主看台弧形挑篷风致振动响应的方法。
Based on the characteristics of wind loads and modal shape of grandstand arc roofs of large stadiums, a polar coordinate method for wind induced dynamic response analysis is proposed in this paper.
试验结果表明：主梁推荐方案、主梁比较方案一和主梁比较方案二都会发生不同程度的涡激振动。
The test results showed that: the recommended Scheme of girder, the first comparative scheme of girder and the second comparative scheme of girder all occur vortex-induced vibration.
本文提出矩形薄板振动主振方向的概念。
The idea of the main vibration direction of the rectangular plate is put forward in the paper.
用沙坝矿高大副井改主溜井的研究内容主要分为三个部分：溜井放矿规律研究与振动出矿及相关技术的应用研究；
The content of the research on changing the high shaft into a main ore-pass in Yong-Sha-Ba mine has three parts.
一核电厂主蒸汽管线存在振动和噪声过大，大修时还发现主蒸汽隔离阀闸板存在一定的磨损。
There are over high vibrations and noises of the main steam piping lines of a Nuclear Power Plant. Wear abrasion of the main steam isolation valves was found during the fall outage.
试验结果表明：在试验的各状态下，主梁及桥塔均未发现有害的涡激振动。
The test showed that: in each test state, the harmful vortex-induced vibration has not been found in the main beams and the bridge towers.
◎主转子经过高精度的动平衡检测，确保运转平稳、振动微小、噪音更低、性能更可靠；
Main rotor is put through precision balancing tests to ensure smooth operation, minimal vibration, lower noise and more reliable performance;
通过随机振动峰值应力响应考核空间相机在随机振动环境下主镜支撑结构的可靠性存在一定的局限性。
It is not perfect to estimate the reliability of primary mirror supporting structures in space cameras based on the peak value of stress response at a random vibration environment.
它是一种典型的主、被动一体化振动控制方法，在结构振动控制方面展示了极其广阔的应用前景。
It combines the advantages of active control and passive damping and reveals great potential applications on structure vibration control.
基于拉格朗日法建立振动筛系统动力学模型，分析出了该系统的固有频率、主振型及系统的响应。
Based on Lagrange dynamics model of vibration machinery system is established. Natural frequency, vibration model and systemic response are worked out.
基于拉格朗日法建立振动筛系统动力学模型，分析出了该系统的固有频率、主振型及系统的响应。
Based on Lagrange dynamics model of vibration machinery system is established. Natural frequency, vibration model and systemic response are worked out.
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