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 |
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 12 超单元个数对声屏障隔声性能的影响 |
Fig.12 Influence of number of meta units on sound insulation performance of sound barrier |
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