
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:National Standards Authority of Ireland

专家解读视频
Defines 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.
NBN EN ISO 3744:2010 - Identical
NF EN ISO 3744:2009 - Identical
UNE EN ISO 3744:2010 - Identical