acoustic transmission coefficient,sound transmission coefficient,acoustical transmissivity,acoustic transmission system

In this paper,the acoustic principle was proposed for studying the sound transmission in insulating glass.

本文使用声学原理研究了中空玻璃的声透射情况。

Researches on vibro-acoustic problems of underwater damped composite shells at home and abroad are reviewed,including studies on the vibration,acoustic radiation and sound transmission of damped composite shells in water.

综述了国内外对水中阻尼复合壳体结构声振特性的研究进展与现状 ,讨论了阻尼复合壳体结构在水中的振动特性、声辐射和声透射的研究情况。

Increasing the sphere of action of ultrasonic wave in downhole rock stratum by using the cylinder sound lens.;

利用圆柱面声透镜增大超声波在油井岩层中的作用范围

Design and verification of cylindrical acoustic lenses;

柱面型声透镜设计及验证

In this paper,we introduce the principle of beamforming with acoustic lenses and the hybrid analytic model of acoustical fields composed of geometric acoustic .

声透镜声呐使用声透镜形成图像,能够克服这些缺点。

The ultrasonic parameters,such as amplitude and wave shape and ultrasonic velocity were monitored during explosive cast process with the heat preservation and natural cooling by using ultrasonic transmission test.

利用超声透射方法对熔黑梯炸药在保温和自然冷却两种工艺条件下的凝固过程进行了超声监测。