IEC 60244-14-1997 无线电发射机的测量方法第14部分:由两个或多个使用相同或相近天线的发射机造成的外部互调产物

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【英文标准名称】:Methodsofmeasurementforradiotransmitters-Part14:Externalintermodulationproductscausedbytwoormoretransmittersusingthesameoradjacentantennas
【原文标准名称】:无线电发射机的测量方法第14部分:由两个或多个使用相同或相近天线的发射机造成的外部互调产物
【标准号】:IEC60244-14-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-06
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC103
【标准类型】:()
【标准水平】:()
【中文主题词】:无线电发射机;互相调制;无线电天线;无线电设备;测量技术
【英文主题词】:Antennas;Definitions;Interference(wavephysics);Intermodulation;Measuringtechniques;Radioantennae;Radioantennas;Radioequipment;Radiotransmitters;Transmitters
【摘要】:ThispartofIEC60244detailsameasurementmethodforexternalintermodulationproducts(intermodulationcomponents)causedbytwoormoretransmittersusingthesameoradjacentantennas.Itdescribesrecommendedmethodsofassessingtheperformanceofradiobroadcasttransmitters.Thepurposeofthemeasurementsdescribedinclauses4and5ofthispartistoprove,asfaraspossible,thattherequirementsoftheRadioRegulationswithrespecttomaximumpermissibleradiatedlevelsofintermodulationproductsfromLF,MF,HF,VHF,UHFandSHFtransmitterswillbefulfilledwhentwoormoretransmittersusethesameornearbyantennas.ThemethodofmeasurementgiveninthispartisnotappropriatefortypetestsandITSHOULDBENOTEDTHATTHEMEASUREMENTSARETOBECARRIEDOUTONLYWHENMUTUALLYAGREEDbetweenthepurchaserandsupplieroftheequipment.
【中国标准分类号】:M36
【国际标准分类号】:33_060_20
【页数】:49P.;A4
【正文语种】:英语


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【英文标准名称】:SpecificationforSteelAirVentilatingGrilleUnitsforDetentionAreas
【原文标准名称】:禁闭区钢制通风格栅规范
【标准号】:ANSI/ASTMA750-1996
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:
【标准类型】:()
【标准水平】:()
【中文主题词】:钢
【英文主题词】:steels
【摘要】:Thisspecificationappliestoairventilatinggrilleunitsfordetentionareas,assembledinpartfrommaterialsconformingtoSpecificationsA627,A628,andA629.Theassembliesdescribedhereinareintendedtoprovidetwotypesofsecurity,designatedTypeAandTypeB.TypeA-Aventilationunit,utilizinghomogeneousTRsteelbarsfortheprincipalsecuritycomponent.TypeB-Aventilationunitutilizingperforatedtool-resistingsteelplatefortheprincipalsecuritycomponent.Itispresumedthatequipmentmanufacturerswillfabricateandassemblethematerialssoasnottoimpairtheperformancecharacteristicsspecifiedintheapplicablematerialspecifications.Thedescriptionshereinofcertainassembliesarenotintendedtoinferthatotherassembliescannotbeusedtoobtainsimilarresults.
【中国标准分类号】:Q73
【国际标准分类号】:91_190
【页数】:
【正文语种】:英语


【英文标准名称】:Publictransport.Interoperablefaremanagementsystem.Architecture
【原文标准名称】:公共运输.互操作费用管理系统.体系架构
【标准号】:BSENISO24014-1-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-07-31
【实施或试行日期】:2007-07-31
【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】:容量;数据交换;定义;英语;费用;信息交流;信息技术;交替使用性;管理;模型;摩托车;客运;PPLT;定价;公共客运;公共运输;分规范;服务设施;价目单;票证;交通业务
【英文主题词】:Capacity;Dataexchange;Definition;Englishlanguage;Fees;Informationexchange;Informationtechnology;Interoperability;Management;Models;Motorvehicles;Passengertraffic;PPLT;Pricing;Publicpassengertransport;Publictransport;Sectionalspecification;Services;Tariffs;Tickets;Traffic
【摘要】:ThispartofISO24014providesthebasisforthedevelopmentofmulti-operator/multi-serviceInteroperablepublicsurface(includingsubways)transportFareManagementSystems(IFMSs)onanationalandinternationallevel.ThispartofISO24014isapplicabletobodiesinpublictransportandrelatedserviceswhichagreethattheirsystemsneedtointeroperate.WhilethispartofISO24014doesnotimplythatexistinginteroperablefaremanagementsystemsneedtobechanged,itapplies,sofarasitispracticallypossible,toextensionsofthese.ThispartofISO24014coversthedefinitionofaconceptualframework,whichisindependentoforganisationalandphysicalimplementation.AnyreferencewithinthispartofISO24014toorganisationalorphysicalimplementationispurelyinformative.TheobjectiveofthispartofISO24014istodefineareferencefunctionalarchitectureforIFMSsandtoidentifytherequirementsthatarerelevanttoensureInteroperabilitybetweenseveralActorsinthecontextoftheuseofelectronictickets.TheIFMSincludesallthefunctionsinvolvedinthefaremanagementprocess,suchas-managementofApplication;-managementofProducts;-securitymanagement;-certification,registrationandidentification.ThispartofISO24014definesthefollowingmainelements:-identificationofthedifferentfunctionalentitiesinrelationtotheoverallfaremanagementsystem;-agenericmodelofIFMSdescribingthelogicalandfunctionalarchitectureandtheinterfaceswithinthesystemandwithotherIFMSs;-UseCasesdescribingtheinteractionsanddataflowsbetweenthedifferentfunctionalentities;-securityrequirements.ThispartofISO24014excludesconsiderationof-thephysicalMediumanditsmanagement;-thetechnicalaspectsoftheinterfacebetweentheMediumandtheMediumAccessDevice;-thedataexchangesbetweentheMediumandtheMediumAccessDevice;NOTEThedataexchangesbetweentheMediumandtheMediumAccessDeviceareproposedbyotherstandardisationcommittees.-thefinancialaspectsoffaremanagementsystems(e.g.customerpayments,methodofpayment,settlement,apportionment,reconciliation).
【中国标准分类号】:R07
【国际标准分类号】:03_220_01;35_240_60
【页数】:74P.;A4
【正文语种】:英语