
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:Comite Europeen de Normalisation

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基本信息
标准编号: EN ISO 3744 : 2010
标准类别:Standard
出版单位:Comite Europeen de Normalisation
标准页数:0
标准简介
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.
本标准替代的旧标准