ISO 3744:2010(R2015)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：International Organization for Standardization
专家解读视频
Defines 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.
UNE 74034 : 1988 - Identical
DS EN ISO 3744 : 2010 - Identical
SS-EN ISO 3744:2010 - Identical
PN EN ISO 3744 : 2011 - Identical
BS ISO 3744 : 1994 AMD 8936 - Identical
SANS 3744 : 2ED 2012 - Identical
DIN EN ISO 3744 : 2011 - Identical
DIN EN ISO 3744 E : 2011 - Identical
AS 5335:2019 - Identical
GOST R ISO 3744 : 2013 - Identical
NBN ISO 3744 : 1992 - Identical
SAC GB/T 3767 : 1996 - Identical
