GB/Z 27764-2011 English Version, GB/Z 27764-2011 Acoustics - Determination of sound transmission loss in impedance tubes - Transfer matrix method (English Version)

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GB/Z 27764-2011 Acoustics - Determination of sound transmission loss in impedance tubes - Transfer matrix method (English Version)
Standard No.:	GB/Z 27764-2011	Status:	valid remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	15000 words	Translation Price(USD):	450.0 remind me the price change Email:
Implemented on:	2012-5-1	Delivery:	via email in 1~3 business day

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Standard No.:	GB/Z 27764-2011
English Name:	Acoustics - Determination of sound transmission loss in impedance tubes - Transfer matrix method
Chinese Name:	声学阻抗管中传声损失的测量传递矩阵法
Chinese Classification:	A59 Acoustic Measurement
Professional Classification:	GB National Standard
ICS Classification:	17.140.01 17.140.01 Acoustic measurements and noise abatement in general 17.140.01
Source Content Issued by:	AQSIQ; SAC
Issued on:	2011-12-30
Implemented on:	2012-5-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	15000 words
Translation Price(USD):	450.0
Delivery:	via email in 1~3 business day

Standard

GB/Z 27764-2011 Acoustics - Determination of sound transmission loss in impedance tubes - Transfer matrix method (English Version)
Standard No.	GB/Z 27764-2011
Status	valid
Language	English
File Format	PDF
Word Count	15000 words
Price(USD)	450.0
Implemented on	2012-5-1
Delivery	via email in 1~3 business day

Detail of GB/Z 27764-2011

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Introduction of GB/Z 27764-2011

本指导性技术文件规定了用传递矩阵法在阻抗管内测量声学材料或声学结构的法向入射隔声量(或称法向入射传声损失)。
本指导性技术文件适用于海绵、棉毡及测试频率处于质量控制区的软质薄板等局部反应声学材料(即材料内部没有与其表面平行的声传播)的法向入射隔声量的测量;适用于研制阶段声学材料隔声性能的对比;由于材料的传声损失与它的物理特性(诸如弹性模量、密度、结构因子等)紧密相关,所以本指导性技术文件规定的测量方法可以应用于有关的基础研究和产品开发。
本指导性技术文件不适用于产品隔声性能的鉴定测试。
本指导性技术文件使用阻抗管、一个或多个传声器及数字采集分析系统。

Contents of GB/Z 27764-2011

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