振动量

为此进行了阻尼处理，使振动量有较大的降低，噪声下降了2.0～2.5dB。

Based on analysises , damping treatment is taken , so vibration gets much reduced , and noise drops down by 2 ~ 2.5 dB .

针对某大型旋转机械轴承座振动量严重超过标准的情况，利用CDMS-2000便携式动态信号测试分析系统进行了现场数据采集、幅值域分析和频谱分析，得出了故障产生的部位、原因。

Aiming at the situation of some revolving machines ' vibration seriously overload , the CDMS-2000 portable dynamic signal testing and analyzing system is used to collect data and realize calculating frequency and amplitude spectrum analysis , gaining places and reasons of the faults .

光电法在振动量测中的应用

The Opto - electric Method Applied to quake Measurement electric Shock

振动量测：换能器、讯号调节器与动态频谱分析仪介绍。

Vibration Measurement : Transducers , Signal Conditioner and Dynamic Frequency Analyzer .

风机的振动量测量是风机故障诊断的一个重要参量。

The vibrating signal is an important value in trouble diagnosis of fans .

手提林业机械操作者手部承受振动量的容许限度及评价

Acceptable Limits and Comment on Vibration born by the operator of Portable Forest Machines

为了保证主轴振动量测量的准确性，防止主轴的共振，本文还对调平衡装内的中心轴进行了模态分析，以确定其各阶固有频率和振型。

This article also makes modal analysis on the shaft r to increase the accuracy of measurement .

三峡右岸单跨拱桥原位振动量测

Measurement of prototype vibration of an arch bridge with one span at the right bank of the TGP

同时，对我国林业生产中伐术的手部受振动量进行了计算和评价。

Meanwhile , calculation and comments of vibration born by the operator 's hands in the felling were made .

变时基最大熵谱（VTBMEM）谱阵的变频分析技术的研究测得了机组的振动量值，对测得的振动信号进行了波形分析、转速谱阵分析及轴心运动轨迹分析。

Tested vibration signal wave form analysis , speed spectrum matrix analysis , and shaft centerline orbit analysis are made .

首先提出了由振动量计算合成声压的理论模型；

Firstly , the theoretic model is introduced , which calculates the synthetic sound pressure according to the vibration quantity .

在精密离心机主轴轴线的某一平面内放置1个电容测微仪，测试主轴某个横截面某个圆周不同位置在轴向上的振动量。

It can measure the axial vibration vector on different position of a circle in a cross section plane of the spindle .

腿部振动量很小，振动加速度波动大，因此可以在实际测试评价中略去以便提高测试精度。

The legs ' vibration is small and fluctuated largely , so the legs ' vibration can be ignorant to enhance the accuracy .

转子弯曲是导致转子振动量增大的重要故障源之一。

A rotor affected with bending is one of the major fault sources leading to an increase in vibration level of a rotor .

本文以脉动半球声源为基本物理模型，推导了由振动量计算振动点的界面噪声的理论公式。

This paper develops a theoretical formula for calculating interfacial noise of vibrating point from its vibratory quantity with pulse semisphere sound source as basic physical model .

根据滤波信号合成的轴心轨迹以及振动量与转速的关系，判断出发电机转子的振动主要由质量不平衡造成。

Axes track of filtered signal and relationship between vibration and speed showed , the unbalance of mass is main reason that results in vibration in the generator rotor .

对风机的振动量监测可以采用振动信号波形的实时监测，也可采用对峰峰值或有效值的实时监测。

The measuring vibrating signal method may be used on real time , mean while , vibrating signal can be measured by peak to peak value or true virtual value .

根据建立的机组轴系动力学模型，计算得到了测试位置处振动量所对应转轮的质量不平衡量值的大小。

Based on calculation of the shafting dynamics model of unit , the value of unbalance mass of runner correspond to the value of vibration quantity in the testing site was obtained .

本系统能够实现对机组台帐、机组历史故障、历史振动量、动平衡数据及文档信息等的管理和查询，能实现对振动量的分析和机组振动趋势的查询。

The system has the performance of management and query of the set information , history failure record , history vibration data record , dynamic balance data record and document record of rotating machines .

最后把理论计算与试验测试进行了比较，其结果证明了振动量计算合成声压理论的正确性。

Finally , makes a comparison between the theoretic calculation and experimental testing is made . The result approves the theory that calculates the synthetic sound pressure according to the vibration quantity is true .

三环减速器动平衡测试系统，可实现一次安装，自动控制、处理及数据分析，从而减少传统方式下的人工干扰。测试处理后，系统自动判断三环减速器振动量是否在要求范围内。

Dynamic balance measuring system for three - ring reducer have realized fixing once for all , automatically control , processing and data analysis , accordingly , human disturbances in traditional method are reduced greatly .

结合乘坐舒适性研究，绘出了座椅振动量随各参数变化的一些规律，可为今后设计工作参考。

In the study of comfortability of the seat , some rules for the seat vibration magnitude which changes with parameter-transformation have been obtained . These may be used in the future designing as reference .

关于城市快速轨道交通振动评价量的探讨

Investigation on the Index of Vibration Estimation Produced from the Urban Rail

具有振动容纳量的单种群模型

Single species models with oscillatory carrying capacities

通过数值模拟提取结构无损和不同程度面积分层损伤的全局振动标识量；

The global vibration identification factors of damaged and damage free laminates are obtained by numerical simulation .

该传感器可用于航空、航天、卫星姿态等振动角量的测量。

The sensors can be used in the vibration angular measurements on the aviation spaceflight and satellite posture etc.

采用激光二维扫描技术，实现了列车动态横向振动偏移量的测试，易于实施，数据准确，对制定合理的站台界限提供参考数据。

The planar laser scanning technique described in this paper realizes the measurement of train dynamic transversal vibrations offset easily and exactly .

为了应用测试方法得到炮口振动响应量，已形成多种测试传感器和测试方法。

In order to getting the muzzle vibration responses with experiment methods , a lot of measuring sensors and methods had be developed .

炮口振动响应量包括线位移、线速度、线加速度、角位移、角速度和角加速度。

The muzzle vibration responses are the linear displacement , linear velocity linear acceleration , angular displacement , angular velocity and angular acceleration .

以某置于光学平台上的聚焦扩束望远镜系统的振动失调量问题为例，进行了结构的有限元法动力分析，得到了该失调光学系统的时域动态响应、频率响应函数和均方根值。

A Galileo telescope system mounted on an optical platform is analyzed , and the time domain dynamics response , frequency response function and root mean square value of the light-beam misalignment are obtained . 3 .