
Acoustics - Determination of Sound Power Levels of Noise Sources Using Sound Intensity Part 1: Measurement at Discrete Points
出版:National Standards Authority of Ireland

专家解读视频
Describes a method for measuring the component of sound intensity normal to a measurement surface which is chosen so as to enclose the noise source(s) of which the sound power level is to be determined.
NF EN ISO 9614-1:2009 - Identical
SS EN ISO 9614-1 Ed. 2 (2009) - Identical
BS EN ISO 9614-1:2009 - Identical
NEN EN ISO 9614-1:2009 - Identical
SN EN ISO 9614-1:2010 - Identical
NBN EN ISO 9614-1:2009 - Identical
UNI EN ISO 9614-1:2009 - Identical