ANSI/ASA S12.54/ISO 3744 : 2011(R2016)现行
ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - ENGINEERING METHODS FOR AN ESSENTIALLY FREE FIELD OVER A REFLECTING PLANE
出版：Acoustical Society of America
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基本信息
标准编号： ANSI/ASA S12.54/ISO 3744 : 2011(R2016)
标准类别：Standard
出版单位：Acoustical Society of America
标准页数：0
标准简介
This American National Standard specifies methods for determining the sound power level or sound energy level of a noise source from sound pressure levels measured on a surface enveloping the noise source (machinery or equipment) in an environment that approximates to an acoustic free field near one or more reflecting planes.
本标准替代的旧标准
