... sound detector ==> 声检测器,检声器,伴音检波器,伴音信号检波器,测音器,验声器,验声器 sound diffraction ==> 声绕射,声衍射 sound diffusion ==> 声扩散 ...
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Directivity and sound diffraction of the pinna of the Megaderma spasma are studied to predict the the role of these outer ear extensions in the biosonar system.
本文研究的重点就是通过模拟计算来预测这种明显的外耳扩展部分对波束形成的影响。
Because of wavelength of sound at low frequencies being close to the dimensions of small enclosures, scattering and diffraction in the course of sound radiation can not be ignored.
在小尺度封闭空间内，声波低频成分的波长与空间尺寸相当，声音在传播过程中所发生的散射、衍射等波动现象不容忽视。
The attenuation amount of diffraction of this sound barrie is calculated according to the acoustics principle, the feasible remedies are put forward.
并根据声学原理计算了该声屏障绕射衰减量，提出了切实可行的补救措施。
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