resonant noise of rive shaft

Noise and vibration tests for fuel cell vehicle are made by respectively acquiring the vibration and noise signals when it is independently working with the air auxiliary system and the hydrogen auxiliary system.

对燃料电池车进行了振动噪声测试,采用分别运行法采集了在空气辅助系统和氢气辅助系统分别独立运行工况下的振动噪声信号。

According to the problem of one automobile clutch easy to cause vibration and noise,the main components of the clutch entity model is set up.

针对某汽车离合器在工作过程中易产生较大振动噪声的问题,建立了汽车离合器各主要零部件的实体模型。

To better forecast and control the structural vibration and noise of naval vessels and other kind of ships,the energy finite element method was introduced.

为了解决舰船结构的振动噪声预报及其控制问题,以能量密度为变量,获得了薄板结构受激励产生弯曲振动时的能量密度控制方程,并得到了控制方程的有限元解。

Study on environmental vibration and vibration noises induced by the urban rail transit system;

城市轨道交通环境振动与振动噪声研究

Vibration noise of the metal structure IR detector;

金属结构红外探测器振动噪声的研究

Disc Brake Vibration Noise Study and Research Based on ANSYS;

基于ANSYS的盘式制动器振动噪声分析与研究

Recently years the vibro-acoustics research of permanent magnet machines is more and more important.

近年来对永磁同步电动机的噪声振动的研究越来越受到人们的关注。

In this paper, the relations between the spindle transmission clearance speed fluctuation and transmission noise are expounded by theoretical analysis and by the experimental testing of the vibration frequency spectrum of the spindle of an imported turning center.

文中通过理论分析，阐明数控机床主轴传动间隙与转速波动及传动噪声的内在联系，并通过对一台引进的车削加工中心机床主轴振动频谱的测试实验作了进一步的分析和探讨，同时还对数控机床主轴传动间隙的设计规范以及冷却润滑等问题提出了新的见解。

Drum Brake and Vibration Noise Study Based on ANSYS;

基于ANSYS的鼓式制动器及振动噪声研究

Study on the Vibration and Noise Control Techniques in Large Power Machines;

大型动力机械振动噪声控制技术研究

Prediction on the Vibration and Noise of High-Speed Train Structure and Research on the Noise Reduction Technology

高速列车结构振动噪声预测与降噪技术研究

The Structural Vibration and Noise Reach on the Minitype Oxygen Generator and Optimum Structure;

小型制氧机振动噪声研究及结构优化

CAE Analysis and Control on the Vibration and Noise of Rolling Washer

滚筒洗衣机振动噪声CAE分析与控制

Virtual Design of Monitoring and Forecasting System of Warship's Underwater Noise

舰船机械振动噪声监测预报系统设计

Noise Level Prediction of Gear Transmission System due to Vibration and Sound Signals

基于振动噪声信号的齿轮传动系统声压级预测

Heating Equipment Noise Control Research Based on Pipeline Vibration Isolation

基于管道隔振的供暖设备振动噪声控制研究

Research on Optimization of Vibration and Structural Noise of Centrifugal Pump;

离心泵振动噪声分析及声优化设计研究

A Vibration and Noise Control Method Based on Acoustic Contribution Analysis

基于声学贡献度分析的振动噪声控制方法研究

Analysis of Reciprocating Pump Vibration and Noise Mechanism and Reduction Measures

往复泵振动和噪声机理分析及减振降噪措施

Analysis of Relationship between Compressor Noise Vibration and Outdoor Unit Noise of Air-Conditioners

压缩机噪声振动与空调外机噪声关系分析

Research on control of noise and vibration in arena buildings(1):analysis of indoor noise and vibration

场馆建筑噪声与振动的控制研究(1):室内噪声与振动的分析

Research on control of noise and vibration in arena buildings(2):control design of indoor noise and vibration

场馆建筑噪声与振动的控制研究(2):室内噪声与振动的控制设计

Researches on Behavior of Vibration and Noise in Permanent Magnet Synchronous Motor;

永磁同步电动机振动与噪声特性研究

Conduct the displacement, pressure, temperature, strain, vibration& noise measurement.

进行位移、力、度、变，振动和噪声的测量。

Study on NVH of C301 Vehicle;

C301轿车车内的振动与噪声分析

Experimental Research on Vibration and Noise Mechanism of Swing Machine;

摇摆机振动、噪声机理的实验分析研究