ANSI/ASA S12.56-2011 声学.利用声压的噪声源声功率级和声能级的测定.采用反射面上方密封测量表面的测量法

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【英文标准名称】:Acoustics-Determinationofsoundpowerlevelsandsoundenergylevelsofnoisesourcesusingsoundpressure-Surveymethodusinganenvelopingmeasurementsurfaceoverareflectingplane
【原文标准名称】:声学.利用声压的噪声源声功率级和声能级的测定.采用反射面上方密封测量表面的测量法
【标准号】:ANSI/ASAS12.56-2011
【标准状态】:现行
【国别】:美国
【发布日期】:2011-01-01
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Calibration;Definitions;Determination;Earprotectors;Envelopingsurfacemethods;Environment;Externalnoise;Fixings;Inspection;Installations;Machinenoise;Mathematicalcalculations;Measurement;Measuringenvironment;Measuringinstruments;Measuringsurfaces;Measuringtechniques;Methods;Microphonearrangement;Microphones;Noise;Noise(environmental);Noisemeasurement;Noisemeasurements;Noisereduction;Noisesources;Operation;Performancetests;Position;Precision;Reflective;Sonictesting;Soundabsorption;Soundenergy;Soundlevel;Soundpower;Soundpressure;Soundpressurelevel;Soundsources;Specification(approval);Surveys;Vibrationengineering
【摘要】:ThisNationalStandardspecifiesmethodsfordeterminingthesoundpowerlevelorsoundenergylevelofanoisesourcefromsoundpressurelevelsmeasuredonasurfaceenvelopinganoisesource(machineryorequipment)inatestenvironmentforwhichrequirementsaregiven.Thesoundpowerlevel(or,inthecaseofnoiseburstsortransientnoiseemission,thesoundenergylevel)producedbythenoisesourcewithfrequencyA-weightingappliediscalculatedusingthosemeasurements.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:
【正文语种】:英语