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Active control of structural sound radiation using a spatial control method with multiple structural sensors

机译:具有多种结构传感器的空间控制方法的结构声辐射的主动控制

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This paper introduces a method to control structural sound radiation using multiple structural sensors. Tonal radiation from a vibrating arbitrary structure is considered in this paper. Based on the estimation of the vibration profile of a noise radiating structure, spatial signals that represents radiated pressure field can be generated. These spatial signals can also be spatially weighted to control radiated noise at some far-field regions more than at others. Numerical studies on a simply-supported plate were performed which demonstrate the ability of the proposed method to control sound radiation that is spatially weighted over certain regions in the far-field.
机译:本文介绍了一种使用多个结构传感器控制结构声辐射的方法。本文考虑了来自振动任意结构的色调辐射。基于噪声辐射结构的振动分布的估计,可以产生表示辐射压力场的空间信号。这些空间信号也可以在空间加权以控制在一些远场区域的辐射噪声比其他区域更远。进行了简单负载板上的数值研究,其证明了所提出的方法控制在远场中某些区域上的声辐射的声辐射的能力。

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