Acoustics—Measurement of sound pressure reflection coefficient, sound pressure transmission coefficient and absorption coefficient for underwater acoustical material sample—Travelling wave tube method
全国声学标准化技术委员会(SAC/TC 17)
本标准规定了采用行波管法测量水声材料（或构件)样品声压反射系数、声压透射系数和吸声系数的装置、原理、条件和方法。
本标准适用于平面层状水声材料（或构件)样品（以下简称样品)在变温、变压条件下100 Hz～3 150 Hz 频段的声压反射系数（或回声降低)、声压透射系数（或插入损失)和吸声系数的测量。
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