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1)  steady sound radiation
稳态声辐射
1.
This paper deals with the spline boundary element method for calculating three dimensional steady sound radiation of vibration objects.
本文采用三次B样条边界单元计算振动体的三维稳态声辐射
2)  radiation modes
声辐射模态
1.
Application of piezoelectric actuators in ASAC based on radiation modes;
压电作动器在基于声辐射模态的ASAC中的应用
2.
Measurement of adjoint coefficient of radiation modes for vibrating plate;
振动板声辐射模态伴随系数的测量
3.
A new piezoelectric sensor design for a clamped-clamped plate is presented to measure its amplitudes of the first three radiation modes.
以固定支撑板为例,提出一种阵列式压电式传感器的设计方法测量前三阶声辐射模态幅值。
3)  Radiation mode
声辐射模态
1.
Measurement of volume velocity of vibration structure based on radiation modes;
基于声辐射模态的振动体积速度测量
2.
In the active structural acoustic control based on radiation modes,the cancellation of the dominant radiation modes and determination of the arrangement of secondary forces are of virtual important.
在基于声辐射模态理论的结构声有源控制中,主导辐射模态的确定及抵消策略是至关重要的,它直接决定次级力源的优化布放及有源控制的效果。
3.
A theoretical method to solve acoustical radiation modes and acoustical radiation efficiency of complex structure by a boundary element method and acoustical radiation theory is posed in this paper.
提出一种用边界元方法与声辐射理论求解复杂结构的声辐射模态与声辐射效率的理论方法。
4)  acoustic radiation modes
声辐射模态
1.
Determination of acoustic power on acoustic radiation modes;
基于声辐射模态确定声功率
2.
A study on variations of acoustic radiation modes of a damaged stiffened panel;
含损伤加筋板结构声辐射模态变异研究
3.
Study of the acoustic radiation damping of fluid-loaded plate in the acoustic radiation modes condition
轻/重流体介质中振动板声辐射模态下的声辐射阻尼研究
5)  acoustic radiation mode
声辐射模态
1.
In this study,the mechanism of active control,which is one of the key problems in the study of such a structure,is investigated based on the theories of acoustic radiation mode and structural vibration mode.
有源声学结构是近年来提出的一种控制结构低频声辐射的有效方案,它是智能结构在噪声控制领域的具体应用,其控制机理是一个亟待解决的关键问题,文中结合声辐射模态和结构振动模态理论对该问题进行了研究并作了定量解释。
2.
A new method for the analysis on the problem of the exterior sound radiation from a rectangular baffled planar source is developed by means of the method of time domain acoustic radiation modes.
以简支矩形板为例,提出了利用时域声辐射模态进行声辐射研究。
3.
Then with the acoustic radiation mode,we derive the general-purpose expression that determines the contributions of modal coupling to a structure′s total radiated sound power.
首先利用结构振动模态的叠加性,基于辐射声功率的二次型表达式,将总的声功率分解为各个模态自身辐射的声功率和模态间的耦合对声功率的贡献两部分;然后引入声辐射模态,得到一般结构模态间的耦合对声功率贡献的通用数学表达式。
6)  equilibrium radiation angle
稳态辐射角<光>
补充资料:辐射声阻抗


辐射声阻抗


物理学术语。描述介质对振动体反作用的物理量。振动物体向周围介质辐射声波时,介质呈现于该振动体振动表面的声阻抗。在声电类比中,辐射声阻抗是声源振动体的声负载。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条