...；kirchhoff近似；表面声阻抗 [gap=759]keywords：underwater acoustics; kirchhoff approximation; surface acoustic impedance ...
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Designs and produces a device to measure structure surface acoustic impedance, and calibrates the device to make sure its performance through experiment.
设计制作一种能够测定结构表面声阻抗的实验装置,并对其进行了必要的标定和检验。
参考来源 - 安静结构设计方法的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
They are characterized by ruggedness, light weight, high sensitivity, low acoustic impedance, easy conformability to complex surface, low cost and large bandwidth.
它具有耐磨、量轻、灵敏度高、声学阻抗低、容易固定在复杂的表面、价格便宜，频带宽等特点。
The relationship between the radiation impedance and the acoustic radiated power of the radiator with non-uniform vibrating velocity on the surface is formulated.
推导了表面振速分布不均匀的辐射器的辐射阻抗与辐射器辐射声功率之间的关系。
In this paper, the acoustic impedance caused by the sound radiation at the terminals of the aperture, which is laid on the cylindrical surface, is analysed on the base of rigorous sound theory.
本文根据严格的声学理论，分析了圆柱面上小孔端面由于辐射所产生的声阻抗率。
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