摘要
本文介绍了用驻波管法测定某型客车内饰材料的吸声系数,并对测试结果进行了讨论,提出了降低车内噪声的改进意见.
This paper mainhy deals with the measurement of sound absorption cofficient of interior ornament materials used for certain type of bus by means of standing wave tube and a discussion has also been made of the measured results. At the same time, some suggestion has been put forword for the reduction vibration noise inside the bus.
出处
《振动.测试与诊断》
EI
CSCD
1994年第4期54-60,共7页
Journal of Vibration,Measurement & Diagnosis
关键词
内饰材料
吸声系数
噪声
客车
汽车
interior ornament material, sound absorption cofficient, noise