Home / Standards / GB/T 18696.2-2002 GB/T 18696.2-2002 Active Acoustics--Determination of sound absorption coefficient and impedance in impedance tubes--Part 2:Transfer function method 声学 阻抗管中吸声系数和声阻抗的测量 第2部分:传递函数法 Standard Type GBT ICS 17.140.01 CCS A59 Status 现行 Issue Date 2002-03-26 Implementation 2002-12-01 Responsible Dept 中国科学院 Drafting Unit N/A