Standard No.:	GB/T 14369-2011
English Name:	Acoustics—Measurement methods of insertion loss,echo reduction and sound absorption coefficient for underwater acoustical material samples
Chinese Name:	声学 水声材料样品插入损失、回声降低和吸声系数的测量方法
Chinese Classification:	A59    Acoustic Measurement
Professional Classification:	GB    National Standard
Issued by:	AQSIQ;SAC
Issued on:	2011-12-30
Implemented on:	2012-5-1
Status:	valid
Superseding:	GB/T 14369-1993 Acoustics－Measurement method of insertion loss and echo reduction for the underwater acoustical material sample
Language:	English
File Format:	PDF
Word Count:	9000 words
Price(USD):	270.00
Delivery:	via email in 1~3 business day

本标准规定了用脉冲管法、自由场法和压力罐近场法测量水声材料样品插入损失、回声降低和吸声系数的测量方法、测量条件、测量装置和测量不确定度。
本标准适用于水声材料及构件样品(以下简称样品)插入损失、回声降低和吸声系数的测量,其中脉冲管法适用于小样品的测量,自由场法和压力罐近场法适用于不同频段的大样品测量。