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ANSI/CEA 721.4-1999 通用CAL服务质量

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【英文标准名称】:GenericCALQualityofService
【原文标准名称】:通用CAL服务质量
【标准号】:ANSI/CEA721.4-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【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】:CEA
【标准类型】:()
【标准水平】:()
【中文主题词】:娱乐电子学;通用;服务;质量;面对对象的程序设计
【英文主题词】:generic;object-orientedprogramming;quality;entertainmentelectronics;services
【摘要】:ThisspecificationforGenericCALconsistsofanApplicationLayercontainingacommandlanguageandaMessageTransferServiceElement.ThespecificationsofthelowerOSIlayersarenotwithinthescopeofthisstandard.However,theservicesprovidedbythelowerlayersaffecttheperformanceandcompositionofmessagesissuedfromtheApplicationLayer.TheselowerlayerserviceoptionsarecollectivelycalledtheQuality-of-Service(QOS)availablefromthecommunicationsprotocol.ThisportionofEIA-721standarddescribesthelowerlayerQOSoptionsthatmayimpacttheApplicationLayer.Recommendedcapabilitiesarespecified.Also,amechanismtoconveytheseoptionstotheGenericCALApplicationLayerusingLayerSystemManagementfunctionsispresented
【中国标准分类号】:M11
【国际标准分类号】:35_080;03_120_10
【页数】:
【正文语种】:英语


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Product Code:SAE AS1004
Title:Fitting, Elbow, 90 Degree, Standard and Reducer, Flareless
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No scope available.【英文标准名称】:Acoustics-Measurementofsoundinsulationinbuildingsandofbuildingelements-Laboratorymeasurementofsoundgeneratedbyrainfallonbuildingelements
【原文标准名称】:声学.建筑物部件和建筑物隔音.实验室测量建筑物构件落雨声
【标准号】:BSENISO140-18-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-12-29
【实施或试行日期】:2006-12-29
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThispartofISO140specifiesalaboratorymethodofmeasurementoftheimpactsoundinsulationofroofs,roof/ceilingsystemsandskylightsexcitedbyartificialrainfall.Theresultsobtainedcanbeusedforassessingthenoisetobeproducedbyrainfallonagivenbuildingelementintheroomorspacebelow.Theresultscanalsobeusedtocomparerainfallsoundinsulationcapabilitiesofbuildingelementsandtodesignbuildingelementswithappropriaterainfallsoundinsulationproperties.ThispartofISO140isbasedonmeasurementswithartificialraindropsundercontrolledconditionsusingawatertankinalaboratorytestfacilityinwhichflankingsoundtransmissionissuppressed.Measurementsusingrealrain,althoughausefulmeansforvalidationpurposes,arenotincludedbecauseofthevariable,unpredictableandintermittentnatureofrealrain.Othermechanicalsimulationmethodsunderinvestigationbyresearchersarenotsufficientlywelldevelopedatpresenttoadequatelysimulaterealrainbothintermsofsoundlevelsandspectragenerated.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:28P;A4
【正文语种】:英语