A coiled-porous composite acoustic metamaterial for broadband and efficient sound absorption

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DOI:10.1016/j.apacoust.2026.111509
文献类型：期刊论文
补充材料：只需要正文
文献链接：https://doi.org/10.1016/j.apacoust.2026.111509

Elsevier

Abstract：To address the issue that a single coiled-channel acoustic metamaterial exhibits discrete absorption peaks and pronounced inter-peak valleys, this paper proposes a composite sound-absorbing

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