BS EN 60335-2-59-1998 家用和类似用途电器安全性规范.专门要求.杀虫器

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【英文标准名称】:Acoustics-Determinationofsoundpowerlevelsofnoisesourcesusingsoundintensity-Precisionmethodformeasurementbyscanning
【原文标准名称】:声学.利用声强度对噪声源声功率级别进行的测定.使用扫描精确测量法
【标准号】:BSENISO9614-3-2002
【标准状态】:作废
【国别】:英国
【发布日期】:2002-11-22
【实施或试行日期】:2002-11-22
【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】:声功率;测量;噪声辐射;声学试验;噪声测量;机器;噪声;扫描;特性;扫描器;声学测量;声学;声级;性质;测定;定义;定义;声强度;声源;连续的;方法
【英文主题词】:Acousticmeasurement;Acoustictesting;Acoustics;Calibration;Continuous;Definitions;Determination;Earprotectors;Externalnoise;Intensity;Machines;Measurement;Measuringenvironment;Measuringincertainity;Measuringinstruments;Measuringtechniques;Methods;Noise;Noiseemissions;Noise(environmental);Noisemeasurements;Noisesources;Precision;Properties;Scanners;Scanning;Soundfields;Soundintensity;Soundlevel;Soundpower;Soundsources;Specification(approval);Temperature;Winds
【摘要】:ISO9614-3:2002specifiesamethodformeasuringthecomponentofsoundintensitynormaltoameasurementsurfacewhichischosensoastoenclosethesoundsource(s)ofwhichthesoundpowerlevelistobedetermined.Surfaceintegrationoftheintensitycomponentnormaltothemeasurementsurfaceisapproximatedbysubdividingthemeasurementsurfaceintocontiguouspartialsurfaces,andscanningtheintensityprobeovereachpartialsurfacealongacontinuouspathwhichcoverstheextentofthepartialsurface.Themeasurementinstrumentdeterminestheaveragednormalintensitycomponentandaveragedsquaredsoundpressureoverthedurationofeachscan.Thescanningoperationcanbeperformedeithermanuallyorbymeansofamechanicalsystem.Theoctavebandorband-limitedweightedsoundpowerleveliscalculatedfromthemeasuredone-third-octave-bandvalues.Themethodisapplicabletoanysourceforwhichaphysicallystationarymeasurementsurfacecanbedefined,andonwhichthesoundgeneratedbythesourceundertestandbyothersignificantextraneoussourcesarestationaryintime.Thesourceisdefinedbythechoiceofmeasurementsurface.ThemethodisapplicableinspecifictestenvironmentsfulfillingallrelevantrequirementsofISO9614-3.ISO9614-3specifiescertainancillaryprocedures,describedinannexC,tobefollowedinconjunctionwiththesoundpowerdetermination.Theresultsareusedtoindicatethequalityofthedetermination,andhencethegradeofaccuracy.IfthequalityofthedeterminationdoesnotmeettherequirementsofISO9614-3,thetestprocedureshallbemodifiedinthemannerindicated.ISO9614-3isnotapplicabletoanyfrequencybandinwhichthesoundpowerofthesourceisfoundtobenegativeonmeasurement.Itisapplicabletosourcessituatedinanyenvironmentwhichisneithersovariableovertimeastoreducetheaccuracyofthemeasurementofsoundintensitytoanunacceptabledegree,norsubjectstheintensitymeasurementprobetogasflowsofunacceptablespeedorunsteadiness.InsomecasesitwillbefoundthatthetestconditionsaretooadversetoallowtherequirementsofISO9614-3tobemet.Forexample,extraneousnoiselevelscanexceedthedynamiccapabilityofthemeasuringinstrumentorcanvarytoanexcessivedegreeduringthetest.InsuchcasesthemethodgiveninISO9614-3isnotsuitableforthedeterminationofthesoundpowerlevelofthesource.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:48P.;A4
【正文语种】:英语


【英文标准名称】:DigitalEnhancedCordlessTelecommunications(DECT)-DECTPacketRadioService(DPRS)TestCaseLibrary(TCL)-Part9:AbstractTestSuite(ATS);Network(NWK)layer;FixedradioTermination(FT)(EndorsementoftheEnglishversionEN301469-9V1.1.1(
【原文标准名称】:数字增强无线远程通信(DECT).DECT信息包无线电服务(DPRS)试验实例库(TCL).第9部分:抽象试验序列(ATS).网络层.固定式无线电终端(FT)(英文版本核准本EN301469-9V1.1.1(2000-10)作为德国标准)
【标准号】:DINEN301469-9-2002
【标准状态】:现行
【国别】:德国
【发布日期】:2002-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:连接;公共的;无线电装置;试验计划;网络层;无线电工程;无线的;使用;DECT;数字增强无线电信;规范(验收);电信;测试套;固定的;合格;定义;终端装置;数据包;远程通信;试验要求;接口;数字的;物理层;无线电设备;无线电终端
【英文主题词】:
【摘要】:ThedocumentdefinestheAbstractTestSuite(ATS)fortestingtheNetwork(NWK)layerattheFixedradioTermination(FT).
【中国标准分类号】:M36
【国际标准分类号】:33_070_30;35_100_30
【页数】:1P;A4
【正文语种】:德语