某型客车内饰材料吸声系数的测定

Sound Absorption Cofficient Measurement of Interior Ornament Materials for Certain Type of Bus

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.