本文主要研究内容：在对风机进行噪声与振动控制的研究中，需要有效的噪声振动测试手段。
The main contents in the dissertation are as follows: Through study of controlling blower's noise and vibration, it's important to select an effective noise and vibration testing method.
鹦鹉螺还能抵抗撞击、振动、防盐防雾、防渗水并能经受噪声和电磁干扰的影响。
The Nautilus meets withstands shock, vibration, salt, fog, drip, fungus, acoustic noise, and EMI.
通常，人们关心系统的弹性体模态，因为主要是由那些模态导致了我们遇到的所有噪声和振动问题。
Typically, people are concerned about the flexible modes of the system because those are the modes that generally cause all the noise and vibration problems that we encounter.
由声学的基本原理可知：产生噪声的根本原因是振动。
Due to the basic theory of acoustics:the fundamentality reason of noise is vibrate.
通过声模拟实验和声振分析计算以及振动测量，研究了床头箱体在整机噪声中的作用。
Thereafter, with the sound simulation and the vibration measurements, the effects of the headstock on the noise of the lathe are studied.
测量的信号通常是振动、噪声、温度、压力、电流、电压等信号中的一种或几种。
Measurement of the signal is usually vibration and noise, temperature, pressure, current, voltage, etc to one or more of the signal.
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.
由于较高的压力和挤压作用，它比落锤锻造噪声及振动都小得多。
On account of the high pressure and squeezing action, it operates with less noise and vibration than a drop-forge.
如果在跑合阶段预先觉察出异常温升、泄漏、振动和噪声时，应停机检查。
If the running-in stage to advance aware of abnormal temperature rise, leakage, vibration and noise, they should check stands.
打印机、复印机等办公设备时有卡纸现象发生，特别是在满足高速打印和双面复印等市场需求时，其送纸机构还产生严重的振动和噪声。
Office equipments, such as printers, copiers, are prone to problems of paper jam, especially in high speed print or two side copy, there are also serious vibration and noise.
计算结果表明，只要有通过试验获得的轮胎在滚动过程中所受到的真实激励谱，利用本文的方法即可对轮胎的振动噪声进行预报。
Calculation results indicate that tire vibration and noise can be predicted with actual excitation spectrum from tests according to the method presented in the paper.
基于随机振动的离散分析理论，推导出白噪声激励下结构动力响应的递推公式。
Based on discrete random vibration theory, recurrence formulas are developed to calculate the dynamic response of structures under white noise excitations.
可采用多种钢轨廓形，使每种廓形与车轮均有一定数量的接触点，可以提高导向性能和总体的车辆运行质量，从而减少噪声和振动。
Use of a variety of rail profiles with a range of contact points improves steering and overall ride quality, and thereby reduces noise and vibration.
介绍一种高感度，高线性，低漂移，小型，量轻，价廉，并且耐冲击振动和噪声影响的压电振动陀螺。
This paper Presents a piezoelectric vibratory gyroscope with the properties of high sensitivity, high linearity, low shift and resistance to shock vibration and noise.
两台泵在运转过程中均未见有机械密封泄漏现象发生，也未见有异常的振动和噪声。
No mechanical seal leakage or abnormal vibration or noise occurred to the two pumps during operation.
这种不平衡离心力作用在转子轴承上会引起振动，产生噪声和加速轴承磨损，以致严重影响产品的性能和寿命。
This unbalanced centrifugal force on the rotor bearing will cause vibration, noise and accelerate the bearing wear, which seriously affect the performance and life of the product.
这种不平衡离心力作用在转子轴承上会引起振动，产生噪声和加速轴承磨损，以致严重影响产品的性能和寿命。
The unbalanced centrifugal force can cause vibration, noise and bearing wear of the rotor bearing, so that it can seriously affect the performance and life of the product.
电机的振动和噪声是评定电机质量的重要标志。
The vibration and noise of electrical machine is the important symbol for evaluating the electrical machinery quality.
汽车发动机齿轮系统冲击振动所引起的噪声，是发动机噪声的主要来源之一。
The noise excited by impact and vibration of gear pairs in automobile engine is one of the main sources of noise.
所以作者主要是应用一维弹性波理论及板壳振动理论对局部噪声屏蔽进行理论研究，并用试验来验证理论分析的可靠性。
So one-dimensional elastic wave and plate vibration response theory are mainly applied to study the structure and experiments are made to verify the validity of the theory.
必须牢固地安装单元的电极，以避免其振动和移动而产生噪声和干扰。此外，将引线屏蔽也有助于降低干扰。
The electrodes of the cell must be rigidly mounted to prevent vibration and motion from creating noise and pickup. Additionally, shielding the leads to the electrodes helps reduce interference.
在实际应用时用此种方法成功地降低了位标器的振动噪声。
In practice, the application of this method reduced the vibrating noise of the seeker successfully.
在北美洲，过去几年中曾经采用许多方法缓解降低噪声和振动对城市轨道交通系统的影响。
Extensive measures have been taken over the years to mitigate the effects of noise and vibration on transit systems across North America.
建筑打桩施工的噪声和振动，由于在实际传播过程中的未知因素很多，难以建立较高精度的物理预测模型。
Physical prediction model is difficult to establish for noise and vibration in building construction due to unknown factors encountered in the actual propagation process.
齿轮传动所引起的振动和噪声是机械传动振动和噪声重要来源之一。
The vibration and noise brought out in mechanical system comes primarily from that produced by gears.
阻尼技术是解决振动噪声的有效途径之一。
Damping technology is an effective approach to solve vibration and noise problem.
皮带和滑轮磨损最小化降低噪声和振动重量轻，只有1-1/4磅。
Minimize belt and pulley wear Reduce noise and vibration Lightweight, only 1-1/4 lbs.
玉音声学成功地解决了多种类型噪声和振动问题。
Yu-tone acoustic successfully resolved a variety of types of noise and vibration problems.
玉音声学成功地解决了多种类型噪声和振动问题。
Yu-tone acoustic successfully resolved a variety of types of noise and vibration problems.
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