可实现宽频隔声的全向通风铁路声屏障
Omnidirectional ventilation railway sound barrier capable of realizing wide frequency sound insulation
可实现宽频隔声的全向通风铁路声屏障 |
| 牛亚文,赵才友,易强,师多佳,郑钧元,陈嵘 |
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Omnidirectional ventilation railway sound barrier capable of realizing wide frequency sound insulation |
| Ya-wen NIU,Cai-you ZHAO,Qiang YI,Duo-jia SHI,Jun-yuan ZHENG,Rong CHEN |
| 图 6 传递损失和频率随外径的变化 |
| Fig.6 Changes of transmission loss and frequency with outer diameter |
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