摘要
简单介绍了声屏障的主要声学评价指标及它们之间的关系,对声屏障声学性能的检测提出了一些经验性总结,对检测结果进行了简单分析,为铁路声屏障的研制提供参考。
The main parameters for acoustics evaluating of sound barriers and their relations are briefly introduced in this paper. The methods for testing of acoustic properties of sound barriers are summarized. The data of testing is analyzed. It provides a reference for research and development of railway sound barriers.
出处
《噪声与振动控制》
CSCD
北大核心
2009年第5期144-147,共4页
Noise and Vibration Control
关键词
声学
声屏障
计权隔声量
降噪系数
检测
acoustics
sound barriers
weighted sound isolation
noise reduction coefficient
testing