
Acoustics - Determination Of Sound Power Levels And Sound Energy Levels Of Noise Sources Using Sound Pressure - Survey Method Using An Enveloping Measurement Surface Over A Reflecting Plane
出版:Belgian Standards

专家解读视频
Provides a method for determining the sound power level or sound energy level of a noise source from sound pressure levels measured on a surface enveloping a noise source.
Supersedes NBN ISO 3746 (11/2003)
SN EN ISO 3746:2011 - Identical
UNE EN ISO 3746:2011 - Identical
NF EN ISO 3746:2012 - Identical
NF EN ISO 3746:2009 - Identical
UNE EN ISO 3746:2010 - Identical
SN EN ISO 3746:2010 - Identical
I.S. EN ISO 3746:2010 - Identical
BS EN ISO 3746:2010 - Identical
NEN EN ISO 3746:2010 - Identical
SS EN ISO 3746 Ed. 3 (2010) - Identical
UNI EN ISO 3746:2011 - Identical
ONORM EN ISO 3746:2011 - Identical
DIN EN ISO 3746 (2011-03) - Identical
NS EN ISO 3746:2010 - Identical