ANSI/NEMA ICS7-1993 工业控制和系统可调速传动装置
作者:标准资料网 时间:2024-05-12 21:15:55 浏览:8084
来源:标准资料网
【英文标准名称】:IndustrialControlandSystemsAdjustable-SpeedDrives
【原文标准名称】:工业控制和系统可调速传动装置
【标准号】:ANSI/NEMAICS7-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;工业流程测量;控制设备
【英文主题词】:industrialprocessmeasurement;electricalengineering;controlequipment
【摘要】:
【中国标准分类号】:N17
【国际标准分类号】:29_130_01
【页数】:
【正文语种】:英语
【英文标准名称】:StandardClassificationforDeterminationofArticulationClass
【原文标准名称】:声音清晰度等级测定的标准分类
【标准号】:ASTME1110-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E33.02
【标准类型】:(Classification)
【标准水平】:()
【中文主题词】:声学;建筑声学;分类系统;建筑;语音清晰度
【英文主题词】:architecturalacoustics;articulationclass;openoffice;open-planspace;soundattenuation;speechprivacy
【摘要】:EachweightingfactorgiveninTable1representsthefractionofoverallspeechintelligencecontainedwithintheassociatedone-thirdoctavefrequencyband.TheweightingfactorsinTable1areobtainedbymultiplyingeachindividualone-thirdoctavebandweightingfactorofANSIS3.5-1969by300.Articulationclass(AC)valuesarethusrelatedtobutdistinctlydifferentfromarticulationindex(AI)values.Inparticular,theACconsidersonlytheeffectofsignalattenuation;whiletheAIconsiderssuchadditionalfactorsasspeechlevelandspectrumandbackgroundsoundlevelandspectrum.Note28212;TheACissimilartotheDAIratingproposedbyWarnock6andhasbeenshowntocorrelatewithAIvaluesderivedfromANSIS3.5,exceptwheretheAIapproaches1or0(AIvaluesrangebetween1and0andapproach0withincreasingprivacyandnonintelligibility).Articulationclassvaluesgivethereverse.Theyusuallyexceed100andincreasewithincreasingprivacyandnonintelligibility.ExtensivecomparisonbetweenACratingsandsubjectivejudgmentsofopen-planspeechprivacyhasnotyetbeenaccomplished.1.1Thisclassificationprovidesasinglefigureratingthatcanbeusedforcomparingbuildingsystemsandsubsystemsforspeechprivacypurposes.Theratingisdesignedtocorrelatewithtransmittedspeechintelligencebetweenofficespaces.1.2Excludedfromthescopeofthisclassificationareapplicationsinvolvingfemalespeakersorchildren,languagesotherthanEnglish,andsoundspectraotherthanspeech.Thusexcluded,forexample,wouldbecomparisonsofbuildingsystemsorsubsystemsfortheireffectivenessinreducingtransmittednoisefrommachinery,industrialprocesses,bowlingalleys,musicrooms,placesofentertainment,andthelike.PublishedworkbyPearsons,etal,mayeventuallypermittherestrictiononfemalespeakerstoberelaxed.
【中国标准分类号】:P31
【国际标准分类号】:17_140_01
【页数】:2P.;A4
【正文语种】:
【英文标准名称】:Informationtechnology.AbstractSyntaxNotationOne(ASN.1):constraintspecification.
【原文标准名称】:信息技术.抽象句法标注1(ASN.1):限定性规范
【标准号】:NFZ70-005-3-1997
【标准状态】:作废
【国别】:法国
【发布日期】:1997-12-01
【实施或试行日期】:1997-12-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:ASN.1;Codedrepresentation;Dataprocessing;Definitions;Exception;Informationexchange;Informationinterchange;Informationtechnology;Networkinterconnection;Notation;Opensystemsinterconnection;OSI;Presentationlayers;Specification
【摘要】:
【中国标准分类号】:L70
【国际标准分类号】:35_100_60
【页数】:15P;A4
【正文语种】:其他
