1) specific acoustic resistance
声阻率
2) acoustic impedance
声阻抗率
1.
Study on impact of buried landmines on earth surface acoustic impedance;
地雷对地表声阻抗率的影响研究
2.
Besides,that the acoustic impedance or ratio of acoustic pressure at the ground surface measured by a sound level meter to the seismic velocity measured by a geophone array was plotted and used to analyze factors affecting the acoustic to seismic coupling.
采用音响作为能量源发射扫频的正弦波声信号穿透到地下土壤;用声级计和地震检波器串分别测得地表的声压级和震动速度,画出二者比值即地面声阻抗率的变化曲线,以此分析声/地震波耦合的效率及其影响因素。
3.
The influence of one-dimension compressible bias flow on the acoustic impedance of perfo-(rated) panels was discussed with consideration of the compressibility of flow.
从理论上研究了一维可压缩偏流对穿孔声阻抗率的影响,并分析了偏流对穿孔粘滞效应的影响;在实验中,利用真空泵流装置建立了存在偏流时的穿孔板声阻抗率测量系统,测量了一定频率范围内两块不同厚度穿孔板在不同偏流流速时声阻抗率的变化规律。
4) empirical formula of specific acoustic resistence
声阻率经验公式
5) surface specific acoustic impedance
表面声阻抗率
6) relative sound impedance
相对声阻抗率
补充资料：声阻
1.提出抗议。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条