| 摘要 |
<p>A resonance-absorption acoustic-insulation panel is provided which comprises: a substantially rigid support plate (2) having a plurality of holes (3) of predetermined sizes opening into at least one face (2a) thereof, and at least one vibrating, smooth thin sheet (4), engaged in contact with said face (2a) of said support plate (2), the resonance frequencies of the thin sheet (4) being determined by the sizes of the holes (3) disposed under the thin sheet (4). <IMAGE></p> |
