BS EN ISO 3744-1995 声学.用声压力测定噪声源的声功率级.在声音反射平面上基本自由场中的测量方法

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【英文标准名称】:Acoustics-Determinationofsoundpowerlevelsofnoisesourcesusingsoundpressure-Engineeringmethodinanessentiallyfreefieldoverareflectingplane
【原文标准名称】:声学.用声压力测定噪声源的声功率级.在声音反射平面上基本自由场中的测量方法
【标准号】:BSENISO3744-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1994-10-15
【实施或试行日期】:1994-10-15
【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】:消声室;加工设备;校正;试验条件;声源;声强;噪声(环境的);声学测量;试验设备;声学试验室;再现性;传声器;等级(质量);数学计算
【英文主题词】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Calibration;Clay;Definitions;Determination;Earprotectors;Envelopingsurfacemethods;Environment;Externalnoise;Fixings;Installations;Mathematicalcalculations;Measurement;Measurementduration;Measuringinstruments;Measuringsurfaces;Methods;Methodsofcalculation;Microphones;Noise;Noise(environmental);Noisemeasurements;Noisesources;Operation;Precision;Reflective;Rooms;Soundabsorption;Soundfields;Soundintensity;Soundlevel;Soundlevels;Soundpower;Soundpressure;Soundsources;Specification(approval);Standarddeviation;Testequipment;Testing;Testingconditions
【摘要】:Specifiesproceduresformeasuringthesoundpressurelevelsonameasurementsurfaceenvelopingthesourceandforcalculatingtherequiredquantity.GivesrequirementsforthetestenvironmentandinstrumentationaswellasthetechniquesforobtainingthesurfacesoundpressurelevelfromwhichtheA-weightedsoundpowerlevelofthesourceandoctaveorone-thirdoctavebandsoundpowerlevelsarecalculated.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:40P;A4
【正文语种】:英语