ANSI S12.55-2006 声学.利用声压测定噪声源声功率级.消声室和半消声室用精密法
【英文标准名称】: Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for anechoic and hemi-anechoic rooms 【原文标准名称】: 声学.利用声压测定噪声源声功率级.消声室和半消声室用精密法 【标准号】: ANSI S12.55-2006 【标准状态】: 现行 【国别】: 美国 【发布日期】: 2006-04-27 【实施或试行日期】: 【发布单位】: 美国国家标准学会(US-ANSI)【起草单位】: ANSI【标准类型】: ()【标准水平】: ()【中文主题词】: 声学测量;声学;封闭式试验室;定义;包络面法;实验室试验;数学计算;测量;测量技术;噪声(环境的);噪声测量;噪声源;反射;混响室;声能;声强;声级;声功率;声压;声压级;声源【英文主题词】: Acoustic measurement;Acoustics;Closed test rooms;Definition;Definitions;Enveloping surface methods;Laboratory testing;Laboratory tests;Mathematical calculations;Measurement;Measuring techniques;Noise (environmental);Noise measurements;Noise sources;Reflection;Reverberation rooms;Sound energy;Sound intensity;Sound level;Sound levels;Sound power;Sound pressure;Sound pressure level;Sound sources【摘要】: Specifies methods for measuring the sound pressure levels on a measurement surface enveloping a noise source in anechoic and hemi-anechoic rooms, in order to determine the sound power level or sound energy level produced by the noise source. Gives requir【中国标准分类号】: A59【国际标准分类号】: 17_140_01【页数】: 【正文语种】: 英语
nihao 请问有下载吗?我这里需要这个文件。
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