Electrically tunable and broader-band sound absorption by using micro-perforated dielectric elastomer actuator
Most membrane-type acoustic absorbers for low-frequency sound attenuation are applicable only at a fixed resonant frequency for a narrow bandwidth. Tuning of the acoustic absorption spectrum is desired to match the varying noises. This letter presents a micro-perforated dielectric elastomer actuator...
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| Main Authors: | , , |
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| 格式: | Article |
| 語言: | English |
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2017
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| 在線閱讀: | https://hdl.handle.net/10356/83352 http://hdl.handle.net/10220/42567 |
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