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【英文标准名称】:Acoustics;determinationofsoundpowerlevelsofnoisesources;engineeringmethodsforsmall,movablesourcesinreverberantfields;part1:comparisonmethodinhard-walledtestrooms
【原文标准名称】:声学噪声源声功率级的测定混响声场中小型可移动声源的工程法第1部分:硬壁试验室中的比较法
【标准号】:ISO3743-1-1994
【标准状态】:作废
【国别】:国际
【发布日期】:1994-02
【实施或试行日期】:
【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】:声学试验;声学;机器;测定;比较分析法;噪声测量;声学测量;噪声;试验;试验;声的混响;声级;声源
【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;Measurement;Measuringinstruments;Measuringtechniques;Microphones;Noise;Noise(environmental);Noisemeasurements;Noisesources;Operation;Precision;Sonictesting;Sound;Soundintensity;Soundlevel;Soundlevels;Soundproofing;Soundradiation;Soundsources;Specification(approval);Temperature;Testing;Testingconditions;Tests;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_01
【页数】:10P;A4
【正文语种】:英语