驻波管是一种用来测量吸声材料的垂直入射吸声系数的装置。
Lock-in amplifier is also used with impedance tube to extend the measurement of high insulation material.
同时将锁相放大器与驻波管互补使用,扩展了驻波管法对高隔声材料的测量。
参考来源 - 建筑玻璃隔声性能及检测方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍一种用于水声材料低频声性能测量的驻波管测试系统。
A standing wave tube measurement system is presented for measuring low frequency acoustic properties of underwater acoustic materials.
本文主要研究内容及成果如下：声子晶体新型隔声材料驻波管测试建模。
This article research content and research results mainly includes following parts: Phononic crystals new sound insulating material standing wave tube test modelling.
竖直放置的驻波管在共振频率下，位于其管底的微小颗粒群会在一定声压级下产生悬浮现象，即腾空而起，悬浮在波幅波节平面。
Under the frequency of resonance, small particles which are in the bottom of an upright standing wave tube will rise and move to the node, or loop planes, and keep suspending there.
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