本文介绍一种简单可行的评价驾驶室隔声漏声的测量方法,并结合实际给出了声压法在驾驶室隔声漏声测量中的应用实例。
In this article, a simple and practical method of evaluating sound isolation and leak of cabs is introduced, and an example of cab sound isolation and leak measurement using SPLM has been given.
《续汉书·律历志》中的“候气之室”是中国古代高级隔音室,方以智记载的“瓮墙”隔声能满足日常生活的隔声需要,这表明中国古代的隔声技术已达到很高的水平。
The Hou Qi room in 《Xu Han Shu-Lu Li Zhi》and the sound insulation from the urn wall records by Fang Yizhi embody sound insulation technology of the ancient China.
本实验室用于测量小试件法向入射条件下的吸声及隔声性能。
The laboratory is aimed at measuring the sound absorption and insulation properties of small test pieces in the normal incidence condition.
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