vibration noise meaning in English
振动噪声
Examples
- Yc series motor is stereo and of nice appearance . it is made with cold - rolled steel plate and high quality bearing with vibration noise much lower than the national standard
Yc系列电机外观优美，具有立体感，采用冷轧矽钢片和优质轴承，振动噪音等远低于国标要求。 - Are introduced . the necessity of designing the combined sensor which is held manually and the significance of experiment study of the vibration noise are put forward in chapter one
本文第一章介绍了发动机振动噪声的产生和危害，测试系统现状，提出了手持式一体化传感器设计的必要性，振动噪声实验研究的意义。 - Nylon for car brake pressure control , hydraulic , fuel supply systems , corrosion resistance , impatient , sealed a good performance , no vibration noise , not shaped , easy to install , convenient vehicle retrofit , good performance is integrated steel , rubber and incomparable
尼龙压力管用于汽车制动、液压、燃料供给系统，耐腐蚀、耐压、密封性能好、无震动噪音、无需成型、易安装、方便汽车改型，良好的综合性能是钢管、橡胶管无法比拟的。 - Study mechanical vibration and noise theory , through analyzing the frequency spectrum of the vibration noise , study the spread characteristic of the vibration noise and method and technology of reducing vibration and noise , improve the security and environmental protection of the equipment operation
研究机械振动与噪声理论，通过对振动噪声的频谱分析，研究振动噪声的传播特性及减振、降噪的方法与技术，提高设备运行的安全性和环保性。 - Introducing the theory and application of boundary element method on the sound radiation , giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method , and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software , simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell , realizing the audibility of the noise , using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box , and completing the whole simulation process of the vibration noise of the gear box
综合介绍了边界元法在声辐射问题上的理论及应用；并给出了运用边界元法分析软件求解振动声辐射问题的过程。阐述了有限元法和边界元法的耦合理论及组合分析方法，并以封闭鼓形薄壳为分析对象进行了相应的分析。利用数字计算软件编制了噪声数据模拟程序，并模拟了通过组合方法分析封闭鼓形薄壳瞬态响应声场而获得一关键点的声压数据，实现声音的可听化，随后通过虚拟现实工具实现了该情形下椭球壳振动噪声的虚拟仿真。