acoustic coupling meaning in English

声音耦合
声耦合
语音连接

Examples

Acoustic coupling element
声耦元件
Through acoustic coupling of the transducer and the elastic plate , energy is transferred to the metallic plate , thus , the metallic plate ’ s flexural vibrating mode comes into being and driving force is produced by the legs ’ rectilinear motion
该马达振子由夹心式换能器和加工有齿的金属薄板连接而成。夹心式换能器激励金属薄板产生弯曲模态的振动,从而通过作斜线轨迹振动的齿产生驱动力。
Regarding the suspension system as a substructure ( subsystem ) appended on the car body , and considering the vibration transfer effect of the suspension system for the displacement excitation induced by unevenness of road surface , an explicit formula about the quantitative relationship between the sound pressure of low frequency interior noise and some of the suspension characteristic parameters of a vehicle , i . e . , the stiffness , the damping , the under suspension mass of suspension system , and the radial stiffness , the radial damping of tire , is deduced based on the dynamic substructure modification method for structure - acoustic coupling analysis of an automobile ' s passenger compartment
摘要基于车身乘坐室声振耦合的动态子结构修改方法，将汽车悬架系统视为附加于车身上的子结构（子系统），并结合悬架系统对路面不平度位移激励的振动传递效应，揭示出车内低频噪声的声压值与悬架系统刚度、阻尼、非悬挂质量以及轮胎径向刚度、径向阻尼间的直接定量关系。
The main content of this paper contains : summarizing the foundational theory of vibration and noise , and establishing the analysis and computation flow chart of noise acoustic field of mechanical vibration ; taking a close drum shell as the research object , analyzing its dynamic characteristics and vibration response using finite element method , then going with the structural - acoustic coupling analysis based on the acoustic model analysis of the aerial intracavity of the close drum shell
论文的主要内容包括：对振动和噪声的基础理论进行了概述，并建立了结构振动噪声声场分析计算的流程图。以封闭鼓形薄壳为分析对象，运用有限元法分析了其的动态特性及振动响应；同时在分析了封闭鼓形薄壳空气内腔的声学模态的基础上，对其进行了声固耦合分析；并作了该结构模型的外场声固耦合谐响应分析。
( 3 ) introducing the proportional damping , the finite element formula of structural - acoustic coupled system lined with sound absorbing materials is obtained . mode - superposition technique for modal frequency response analysis of coupled structure - acoustic systems is also used to deal with the sensitivities of the eigenvalues and eigenvectors of coupled systems for the purpose of reducing cavity interior noise in theory
讨论了阻尼降噪问题，建立了有阻尼声振耦合系统的有限元模型，采用振型叠加法，将系统位移转换到以固有振型为基向量，进行结构壁面有吸声材料的声振耦合系统响应的有限元分析与灵敏度分析，推导了比例阻尼条件的灵敏度计算公式。

acoustic coupling meaning in English

Examples

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