Then we analyze the vibration characteristic of the parts,calculate the sound power value of the main noise radiation parts and their contribution to the total noise based on the surface vibration velocity.
通过测量柴油机表面振动速度的方法对其进行了表面噪声源识别的研究。
THE GENERATOR COORDINATE METHOD FOR THE COUPLING BETWEEN THE PAIRING AND SURFACE VIBRATIONS
用生成坐标方法处理对振动与表面振动之间的耦合
The Study of Deposition of TiC on the Electrode Tip Surface of Resistance Spot Welding by Vibrating Electric Sparking;
点焊电极表面振动电火花熔敷TiC的研究
dynamics of solid surface and interface
固体表面和界面振动力学
Vibration Analysis of the Ball Bearing Exciting By the Rolling Surface Errors
滚动表面误差激励的球轴承振动分析
oscillating jet technique
测(动表面张力) 振荡射流法
Analyses of Dynamic Responses of Subway Tunnels with Different Sections under Vibration Loading
不同隧道断面结构处的地表振动分析
Study on the Grinding Surface Temperature of Ultrasonic Vibration Aided Face Grinding
超声振动辅助端面磨削表面温度场研究
Study on Vibration Field of Ultra-Smooth Surface Polishing Based on Liquid Two-Dimension Vibration and Experiment Research;
流体二维振动超光滑表面加工振动场分析与实验研究
Reserch on Friction Characteristic of Kinetic Surface Based on Ultrasonic Vibration;
基于超声振动的运动表面摩擦特性的研究
Mechanical vibrations--Land vehicles-Method for reporting measured data
GB/T13860-1992地面车辆机械振动测量数据的表述方法
Vehicle vibration--Describing method for road surface irregularity
GB/T7031-1986车辆振动输入路面平度表示方法
In pure seismology, the ground motion is generally expressed by its amplitude.
在纯粹地震学中，地面运动一般以振幅表示。
Theoretical Studies of Adsorption and Vibrational Properties of Hydrogen on Rh(111);
氢在Rh（111）表面吸附和振动性质的理论研究
The Reliability Analysis of Surface-Micromachined Microcantilever Subjected to Vibration Environment;
表面微加工悬臂梁在振动环境下的可靠性分析
Research on the surface characteristics in ultrasonic milling of CFRP
超声振动铣削碳纤维复合材料表面特征研究
Automatic concentration detection system based on surface plasmon resonance
基于表面等离子共振的全自动浓度检测系统
One dimension surface effect mechanism analysis for metal drawing deformation with pulse vibration
金属脉冲振动拉拔成形一维表面效应机理分析
Research on Micro-surface Formation Mechanism of Ultrasonic Elliptical Vibration Cutting
超声椭圆振动切削表面形貌形成机理的研究