大学物理 ›› 2012, Vol. 31 ›› Issue (4): 60-60.
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韩景涛 苏为宁
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摘要: 测量声波幅度随传播距离变化的实验曲线,用波动学的观点分析实验数据,考虑到吸收和反射等耗散因素,计算出空气的吸收系数和换能器的反射系数.
关键词: 声波衰减, 空气吸收, 反射系数
Abstract: The experimental curve of sound amplitude varied with the propagation distance is measured in the experiment. Considering dissipation factors such as absorption and reflection, this paper gets the absorption coefficient of the air and the reflectance of the transducer with the view of wave physics.
Key words: acoustic attenuation, air absorption, reflectance
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韩景涛 苏为宁. 声波的吸收与反射[J]. 大学物理, 2012, 31(4): 60-60.
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