| 摘 要： | I.Introductionmicroperforated-panelsoundabsorber("microperforated-panelsoundabsorptionconstruc-tion"inearlierpapers,simplified)wasdevelopedinlaternineteensiXtiestoprovidearobustsoundabsorberforsevereenvironments,andtheorywaspresentedlateron[1].AperforatedpanelAsedbeforeasolidsurfaceconstitutestheabsorber,whoseperforationsbeingmadeinsubmillimeters,sothattheperforationsthemselvesprovideenoughacousticresistanceand,atthesametime,sufficientlylowacousticmassreactance,toformawide-bandresonancesoundab…
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