论文同时建立了齿轮传动通用动力学模型，分析了齿轮传动系统中齿轮和轴承等主要零部件的振动和噪声机理。
The paper also sets up the general dynamic model for gear transmission, analyses the vibration and noise principle of the main parts in the gear transmission system like gear and bearing.
通过对6480型驱动桥的噪声功率、表面声强、表面声压、表面振动加速度以及相应的时频谱进行了全面、系统的测量和分析。
The noise power, sound intensity, sound pressure, vibration acceleration and corresponding time-frequency spectrum of 6480 driver axle surface were measured and analysed.
分析液压系统产生振动和噪声的基本原因，并介绍减少液压系统噪声的措施。
The reason of vibration and yawp of hydraulic system is analyzed in this paper. And how to reduce is introduced.
针对开关磁阻电动机运行的振动和噪声问题，在对开关磁阻电机非线性模型进行分析的基础上，将直接转矩控制方法应用到SRM的控制当中。
As to the problems of operating noises and vibrations, this paper applied the Direct Torque control (DTC) technique to SRM's controlling, based on the analysis of the nonlinear model of SRM.
分析了滚动轴承产生振动和噪声的原因，介绍了减振降噪的的工艺措施。
The reasons of rolling bearing producing vibration and noise were analyzed, the technology measures of reducing vibration and noise were introduced.
通过对压缩机的部件进行动力学频谱分析，结合所做的台架振动、噪声试验、研究和探讨了压缩机的振动和噪声问题。
Research and discussion on the noise and vibration of the compressor is conducted through dynamic spectrum analysis of the compressor parts and noise and vibration test on the bench.
为了减小由于摆动力和摆动力矩产生的振动和噪声的影响，对机构进行平衡分析。
In order to reduce the influences of vibration and noise caused by shaking force and shaking moment, the balance of the mechanism is analyzed.
分别从时域和频域的角度分析了滚动轴承的振动信号，提出了反映滚动轴承振动水平和噪声水平的各种特征参数。
This paper analyzes vibration signals of rolling element bearing in time-domain and frequency-domain, and puts forward the characteristic parameters to reflect the level of vibration and noise.
为金属切削机床的振动与噪声分析和故障诊断提供了进一步的分析方法。
An useful analysis method for diagnosis of breakdown, vib- rarion and noise in metal cutting machine tools is offered.
在振动与噪声测量实验基础之上分析总结了磁悬浮转子系统振动和噪声的分布情况，从而进一步验证了磁悬浮转子系统的支承特性。
The bearing characteristics of the magnetic suspension rotor system were validated based on the result of the analyse of the vibration and the noise measurement experiment.
在不同的锯切工艺参数和锯片结构下，测量了噪声值、噪声功率、噪声电压、振动功率和振动幅值，并对其进行频谱分析。
Noise value, noise power, noise voltage, vibration power and amplitude vibration were measured under different cutting parameters of technology and frequency spectrum analysis was also made.
目的比较和分析稳态噪声、脉冲噪声、脉冲噪声与振动联合作用对作业工人听力的影响。
Objective To analyse the effects on occupational workers hearing loss caused by steady state noise, impulsive noise and segmental vibration.
通过对通讯车辆噪声和振动特性的分析，介绍了在该车上进行的振动和噪声改进对比试验的试验方法及试验原理；
Through an analysis of noise and vibration characteristics, an experimental principle and method is introduced to eliminate the noise and vibration in communication automobiles.
根据数值计算和现场测试分析，采取了有效措施，改变了磨机的工作状态，减小了磨机的振动和噪声。
Based on numerical computation and online test, effective steps have been taken for the pulverize to change the working state, thus vibration and noise are reduced.
在分析各种振动噪声根源的基础上，对微型直流电机的振动与噪声进行了研究，提出了解决微型电机振动噪声问题的思路和方法。
The vibration and noise root cause of PMDC motor are studied, and the solutions for the noise and vibration of micro motor are also proposed in this paper.
齿轮动力学分析是利用振动力学理论，研究齿轮系统在传递动力和运动过程中振动、冲击、噪声的基本规律，对齿轮传动的降噪、降振非常重要。
The gear dynamics analysis is, according to the theory of vibrate dynamics, to study the basic rule of vibration, shock and noise which created by gear system while transferring power and motion.
测试和分析电机的振动为电机的故障诊断和电机的噪声控制提供了途径，因此有必要建立一个电机振动测试分析系统。
Measuring and analyzing the vibration of electric motor provides a way to detect motor's fault and reduce noise. It is vital of importance to develop a measurement and analysis system.
接着对噪声测量结果和振动测量结果进行了总结和分析。
The analysis of sound and vibration testing result was discussed.
为了满足壳体零件低振动、低噪声的要求，就必须对壳体零件进行动态特性分析和结构动态设计。
In order to satisfy low level in vibration and noise of shield part, the analysis of dynamic performance and structure design should be utilized.
应用振动、噪声信号频谱分析和相干函数分析技术，从理论上说明变速箱故障诊断的依据。
The theory of coherence function and spectrum of vibration and noise signals is applied in gearbox noise analysis in the paper. The basis of fault diagnosis of gearbox is theoretically introduced.
通过分析 ，找出了齿轮油泵在运转过程中造成困油容积而形成功率损失、振动和噪声的原因 ，为设计和维修齿轮油泵提供了消除困油现象的方法和结构措施。
Based on the theory analysis, the reason was discovered of oil- blocking during the operation of a gear oil pump, which resulted in power loss, vibration and noise.
商用车发动机在怠速和工作中会产生较大的振动和噪声，分析其相关零部件的振动特性就显得尤为重要。
The libration characteristic of the commercial engine parts is in great importance because of the libration and noise in the idle Speed and working process.
提取了隔声罩的振动模态，分析了厚度和阻尼对隔声罩噪声辐射的影响。
The influence of the cover thickness and the damping layer on the noise reduction effect of the sound insulation cover is analyzed.
提取了隔声罩的振动模态，分析了厚度和阻尼对隔声罩噪声辐射的影响。
The influence of the cover thickness and the damping layer on the noise reduction effect of the sound insulation cover is analyzed.
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