
Acoustics - Determination Of Sound Power Levels Of Noise Sources Using Sound Pressure - Engineering Method In An Essentially Free Field Over A Reflecting Plane
出版:Standardiserings-Kommissionen I Sverige

专家解读视频
Describes a method for measuring the sound pressure levels on a measurement surface enveloping a noise source, under essentially free-field conditions near one or more reflecting planes, in order to calculate the sound power level produced by the noise source.
Supersedes SS ISO 3744. (11/2009)
UNI EN ISO 3744:2009 - Identical
NF EN ISO 3744:2009 - Identical
NS EN ISO 3744:2009 - Identical
ONORM EN ISO 3744:2009 - Identical
UNE EN ISO 3744:2010 - Identical
SN EN ISO 3744:2010 - Identical
SN EN ISO 3744:1996 - Identical
NEN EN ISO 3744:2009 - Identical
UNE EN ISO 3744:1996 - Identical
NBN EN ISO 3744:1996 - Identical
NBN EN ISO 3744:2010 - Identical
NEN EN ISO 3744:2010 - Identical