【英文标准名称】:Acoustics-Determinationofsoundpowerlevelsofnoisesources-Engineeringmethodsforsmall,movablesourcesinreverberantfields-Comparisonforhard-walledtestrooms
【原文标准名称】:声学.噪声源声功率级的测定.在混响声场中小声源和移动声源的工程测量方法.第1部分:硬墙试验室的比较分析法
【标准号】:BSENISO3743-1-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1994-08-15
【实施或试行日期】:1994-08-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声试验;声学;噪声(环境的);混响室;声学试验;声学测量;声源;混响;声学试验室;校正;声学工程;位置;标准差;声强;再现性;测量
【英文主题词】:Acousticmeasurement;Acousticpropertiesandphenomena;Acoustictesting;Acoustictestingrooms;Acousticalreverberation;Acoustics;Audiofrequencies;Calibration;Closedtestrooms;Comparisonanalysis;Comparisonmethods;Comparisonsoundsources;Definitions;Determination;Externalnoise;Handling;Humidity;Information;Installations;Machines;Measuringinstruments;Measuringtechniques;Microphones;Noise;Noise(environmental);Noisemeasurements;Noisesources;Operation;Precision;Sonictesting;Sound;Soundintensity;Soundlevel;Soundlevels;Soundproofing;Soundradiation;Soundsources;Specification(approval);Temperature;Testing;Testingconditions;Walls
【摘要】:Specifiesarelativelysimpleengineeringmethodfordeterminingthesoundpowerlevelsofsmall,movablenoisesources(alltypesofnoisewithinaspecifiedfrequencyrangearepossible,exceptintermittentnoiseconsistingofisolatedburstsofsoundenergy).Acomparisonmethodisusedtodeterminetheoctave-bandsoundpowerlevelsofthesourceandareferencesoundsourceofknownsoundpoweroutput.TheA-weightedsoundpowerlevelisthencalculatedfromtheoctave-bandsoundpowerlevels.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20
【页数】:20P.;A4
【正文语种】:英语