作者:标准资料网 时间:2024-05-05 21:18:05   浏览:8135   来源:标准资料网

【英文标准名称】:Acoustics-DeterminationofSoundPowerLevelsofNoiseSourcesusingSoundPressure-EngineeringMethodinanEssentiallyFreeFieldoveraReflectingPlane
【原文标准名称】:声学.声压法测定噪声源声功率级.声音反射平面上近似自由场中的工程检测法
【标准号】:ANSI/ISO3744-1994
【标准状态】:作废
【国别】:美国
【发布日期】:1994
【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】:声学试验;包络面法;数学计算;试验条件;噪声(环境的);噪声测量;声强;噪声源;反射的;声功率;声学;噪声;声学测量;精密度;测定;试验;试验设备;方法;定义;规范(验收);声源;测量仪器;声压;计算方法;声级
【英文主题词】:Acousticmeasurement;Acoustictesting;Acoustics;Definition;Definitions;Determination;Envelopingsurfacemethods;Mathematicalcalculations;Measuringinstruments;Methods;Methodsofcalculation;Noise;Noise(environmental);Noisemeasurements;Noisesources;Precision;Reflective;Soundintensity;Soundlevel;Soundlevels;Soundpower;Soundpressure;Soundsources;Specification(approval);Testequipment;Testing;Testingconditions
【摘要】:Specifiesamethodformeasuringthesoundpressurelevelsonameasurementsurfaceenvelopinganoisesource,underessentiallyfree-fieldconditionsnearoneormorereflectingplanes,inordertocalculatethesoundpowerlevelproducedbythenoisesource.Givesrequirementsforthetestenvironmentandinstrumentation,aswellastechniquesforobtainingthesurfacesoundpressurelevelfromwhichthesoundpowerlevelofthesourceiscalculated,leadingtoresultswhichhaveagrade2accuracy.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:
【正文语种】:英语