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【英文标准名称】:Acoustics-Determinationofsoundpowerlevelsofnoisesourcesusingsoundpressure-Precisionmethodsforanechoicandhemi-anechoicrooms(ISO3745:2003);GermanversionENISO3745:2003
【原文标准名称】:声学.利用声压测定噪声源的声功率级.消声室和半消声室的精确方法
【标准号】:DINENISO3745-2004
【标准状态】:作废
【国别】:德国
【发布日期】:2004-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:声能;封闭式试验室;噪声源;声强;声学测量;包络面法;混响室;噪声(环境的);反射;声功率;声源;声学;声压级;声压;数学计算;声级;实验室试验;测量;测量技术;噪声测量;定义
【英文主题词】:Acousticmeasurement;Acoustics;Closedtestrooms;Definitions;Envelopingsurfacemethods;Laboratorytesting;Laboratorytests;Mathematicalcalculations;Measurement;Measuringtechniques;Noise(environmental);Noisemeasurements;Noisesources;Reflection;Reverberationrooms;Soundenergy;Soundintensity;Soundlevel;Soundlevels;Soundpower;Soundpressure;Soundpressurelevel;Soundsources
【摘要】:ThisStandardspecifiesmethodsformeasuringthesoundpressurelevelsonameasurementsurfaceenvelopinganoisesourceinanechoicandhemi-anechoicrooms,inordertodeterminethesoundpowerlevelorsoundenergylevelproducedbythenoisesource.Itgivesrequirementsforthetestenvironmentandinstrumentation,aswellastechniquesforobtainingthesurfacesoundpressurelevelfromwhichthesoundpowerlevelorsoundenergyleveliscalculated,leadingtoresultswhichhaveagrade1accuracy.#,,#
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:52P.;A4
【正文语种】:德语