In this paper, the acousticimpedance 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。
2
The commercial software SYSNOISE which is based on the boundary element method is used to calculate the acoustic radiated field and radiationimpedance of various sources.
研究了利用基于边界元方法的SYSNOISE软件来计算各种声源的声辐射。
3
The relationship between the radiationimpedance and the acoustic radiated power of the radiator with non-uniform vibrating velocity on the surface is formulated.