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ineffectiveness of high frequency
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ineffectiveness of high frequency
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工学
高频失效
释
ineffectiveness of high frequency
高频失效
当噪声以平面波进入消声器的平直的介质流通通道,通道横截面尺寸一定时,频率越高(波长越短)的噪声就有越大的比例接触不到消声构件的壁面,消声构件对这些高频噪声的衰减作用逐渐减弱直至消声效果可以忽略的现象。
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