Research progress of noise reduction of composite structures of porous materials and acoustic metamaterials
Chenyan Huang,
Shu Yang,
Emon Talukder
et al.
Abstract:Noise pollution is an important problem affecting people's lives and work quality. In the current noise reduction materials, the porous sound absorption materials usually only haveagood sound absorption effect for medium and high -frequency sound waves, and the sound absorption effect for low -frequency sound waves is relatively weak. However, in recent years, the research on acoustic metamaterials has made a breakthrough which can effectively absorb or isolate low-frequency sound waves. Therefore, researchers… Show more
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