A tunable sound-absorbing metamaterial based on coiled-up space

This paper presents a theoretical, numerical, and experimental investigation of a deep-subwavelength absorber based on the concept of coiled-up space. By adjusting a partition panel in the cavity to form an unequal-section channel, it is found that the resonance frequency of the absorber is easily t...

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Veröffentlicht in:	Journal of applied physics 2018-05, Vol.123 (18)
Hauptverfasser:	Wang, Yang, Zhao, Honggang, Yang, Haibin, Zhong, Jie, Zhao, Dan, Lu, Zhongliang, Wen, Jihong
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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