ANSI/ISO 3744-2010 声学.利用声压的噪声源声功率级和声能级的测定.反射面上方近似自由场的工程法

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【英文标准名称】:Acoustics-DeterminationofSoundPowerLevelsandSoundEnergyLevelsofNoiseSourcesUsingSoundPressure-EngineeringMethodsforanEssentiallyFreeFieldOveraReflectingPlane
【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.反射面上方近似自由场的工程法
【标准号】:ANSI/ISO3744-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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;Ergonomics;Externalnoise;Fixings;Installations;Mathematicalcalculations;Measurement;Measurementduration;Measuringinstruments;Measuringsurfaces;Measuringtechniques;Methods;Methodsofcalculation;Microphones;Noise;Noise(environmental);Noisemeasurements;Noisesources;Operation;Precision;Reflective;Rooms;Sound;Soundabsorption;Soundfields;Soundlevel;Soundlevels;Soundpower;Soundpressure;Soundsources;Specification(approval);Standarddeviation;Testequipment;Testing;Testingconditions
【摘要】:Specifiesmethodsfordeterminingsoundpowerlevelorsoundenergylevelofanoisesourcefromsoundpressurelevelsmeasuredonasurfaceenvelopinganoisesource(machineryorequipment)inanenvironmentthatapproximatestoanacousticfreefieldnear1ormorereflectingplanes.Soundpowerlevel(orinthecaseofnoiseburstsortransientnoiseemission,thesoundenergylevel)producedbythenoisesource,infrequencybandsorwithA-weighting,iscalculatedusingthosemeasurements.
【中国标准分类号】:
【国际标准分类号】:17_140_01
【页数】:
【正文语种】:英语