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NTIS 바로가기한국음향학회지= The journal of the acoustical society of Korea, v.40 no.3, 2021년, pp.254 - 260
두세진 (Decoton Inc.)
When measuring the sound absorption coefficient of a specimen, a reverberation room which is costly or an impedance tube which has limitations in measuring low frequencies have been engaged. In this paper, a new measurement method of acoustic impedance or sound absorption coefficient has been sugges...
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