【英文标准名称】:Acoustics-Determinationofsoundpowerlevelsofnoisesourcesusingsoundpressure-Precisionmethodsforreverberationrooms(ISO3741:1999);GermanversionENISO3741:1999
【原文标准名称】:声学.声压法测定噪声源声功率级.混响室精密法(ISO3741:1999)
【标准号】:DINENISO3741-2001
【标准状态】:作废
【国别】:德国
【发布日期】:2001-01
【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】:数学计算;定义;定义;规范(验收);声强;噪声测量;试验;噪声(环境的);声学;测量技术;机器;声学试验;测量;测量仪器;声级;发出的空气噪声;响度;测定;混响室;音量;混响室法;混响;声源;声学测量
【英文主题词】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Airbornenoiseemitted;Calibration;Clay;Concentration;Definitions;Determination;Earprotectors;Environment;Filters;Frequencies;Handling;Hearingabilitytests;Humidity;Indications;Information;Loudnesslevels;Loudspeakers;Machines;Mathematicalcalculations;Measurement;Measuringenvironment;Measuringincertainity;Measuringinstruments;Measuringrooms;Measuringtechniques;Microphones;Noise;Noise(environmental);Noisemeasurements;Noisesources;Observation;Operatingconditions;Position;Powerlevels;Precision;Reverberation;Reverberationroommethod;Reverberationrooms;Rooms;Safetyofmachinery;Sound;Soundabsorption;Soundintensity;Soundlevel;Soundpower;Soundpressure;Soundsources;Specification(approval);Standarddeviation;Surfaces;Temperature;Testing;Tests;Volume(sound)
【摘要】:Thedocumentspecifiesadiectmethodandacomparisonmethodwithagradeaccuracyusingareverberationtestroomfordeterminingthesoundpowerlevelproducedbyasource.Itspecifiestestroomrequirements,sourcelocationandgeneralrulesforoperatingconditions,intrumentationandtechniquesformeasuringsoundpressurelevelsfromwhichthesoundpowerlevelofthesourceinoctaveorone-third-octave-bandsiscalculated.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:24P.;A4
【正文语种】:德语