本文旨在开发阻抗管吸声与隔声实时测量系统，使之在能够应用于生产线测量与现场测量。
This paper aims to develop sound absorption and insulation real-time measurement system based on impedance tube, which will be applied in measurement in situ and product line.
吸声与隔声是材料的声学特性，吸声与隔声测量对噪声控制与声学设计具有重要意义。
Sound absorption and insulation is the acoustical characteristic of material. Measurement of sound absorption and insulation has an important significance in noise control and acoustical design.
降噪材料按降噪机理可分为阻尼减振材料、吸声材料和隔声材料。
According to the function mechanisms, polymeric noise reduction composites were classified as vibration damping, sound absorption and sound insulation materials.
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