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EN ISO 3744 : 2010現(xiàn)行
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
標(biāo)準(zhǔn)編號： EN ISO 3744 : 2010
標(biāo)準(zhǔn)類別：Standard
出版單位：Comite Europeen de Normalisation
標(biāo)準(zhǔn)頁數(shù)：0
標(biāo)準(zhǔn)簡介
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.
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