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【英文标准名称】:Acoustics—Determinationofsoundpowerlevelsandsoundenergylevelsofnoisesourcesusingsoundpressure—Surveymethodusinganenvelopingmeasurementsurfaceoverareflectingplane
【原文标准名称】:声学.使用声音压力测定噪音源声功率级与声能级.采用反射面上的包络测量面的测定方法
【标准号】:ISO3746-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-12-01
【实施或试行日期】:2010-12-01
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Calibration;Definitions;Earprotectors;Envelopingsurfacemethods;Environment;Externalnoise;Inspection;Machinenoise;Mathematicalcalculations;Measurement;Measuringenvironment;Measuringinstruments;Measuringsurfaces;Measuringtechniques;Microphonearrangement;Noise;Noise(environmental);Noisemeasurement;Noisemeasurements;Noisereduction;Noisesources;Operation;Performancetests;Precision;Reflective;Sonictesting;Soundabsorption;Soundenergy;Soundlevel;Soundpower;Soundpressure;Soundpressurelevel;Soundsources;Specification(approval);Surveys;Vibrationengineering
【摘要】:ThisInternationalStandardspecifiesmethodsfordeterminingthesoundpowerlevelorsoundenergylevelofanoisesourcefromsoundpressurelevelsmeasuredonasurfaceenvelopinganoisesource(machineryorequipment)inatestenvironmentforwhichrequirementsaregiven.Thesoundpowerlevel(or,inthecaseofnoiseburstsortransientnoiseemission,thesoundenergylevel)producedbythenoisesourcewithfrequencyA-weightingappliediscalculatedusingthosemeasurements.NOTEDifferentlyshapedmeasurementsurfacescanyielddifferingestimatesofthesoundpowerlevelofagivennoisesourceandanappropriatelydraftedtestcode(seeISO12001)givesdetailedinformationontheselectionofthesurface.
【中国标准分类号】:
【国际标准分类号】:17_140_01
【页数】:56P.;A4
【正文语种】:英语