BS EN 60835-2-6-1996 数字微波无线电发射系统使用设备测量方法.地面无线电中继系统测量方法.保护开关

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【英文标准名称】:Methodsofmeasurementforequipmentusedindigitalmicrowaveradiotransmissionsystems-Measurementsonterrestrialradio-relaysystems-Protectionswitching
【原文标准名称】:数字微波无线电发射系统使用设备测量方法.地面无线电中继系统测量方法.保护开关
【标准号】:BSEN60835-2-6-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1996-02-15
【实施或试行日期】:1996-02-15
【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】:数字信号;测量;微波器件;继电器;开关电路;通信链路;无线电发射机;无线电通信链路;量值继电器;保护继电器;无线电设备;电气保护设备;发射机
【英文主题词】:Change-overswitches;Combination;Communicationsystems;Digitalradiolinks;Digitalsignals;Earthstations;Electricalengineering;Inspection;Inspectionspecification;Measurement;Measuringtechniques;Microwavelinks;Microwaves;Protectivecircuits;Radioengineering;Radioequipment;Radiolinks;Radiocommunication;Radio-relaysystems;Ratings;Satellitecommunications;Signaltransmission;Specification(approval);Switchgear;Switching;Telecommunication;Telecommunicationlinks;Telecommunicationsystems;Terrestrial;Transmissionsystems
【摘要】:ThissectionofIEC835-2dealswiththemeasurementofterminal-to-terminalprotectionswitchingequipmentassociatedwithdigitalradio-relaysystems.ThemeasurementmethodsdescribedinthissectionofIEC835-2foranN+1switchingconfigurationbutarealsoapplicabletoN+2switchingarrangements.Thesamemeasurementmethodsareapplicableto1+1,twin-pathandhotstandbyarrangements.Thechannelprioritystatustestsdescribedinclause5areonlyapplicabletotheN+1andN+2switchingarrangements.Inconfigurationswheretheprotectionswitchingequipmentisphysicallyseparablefromtheradioterminalequipment(seefigure1),theinterfacesattheinputandoutputportsoftheswitchingequipmentshallbemeasuredinaccordancewithIEC835-2-5.
【中国标准分类号】:M35;M38
【国际标准分类号】:33_060_30
【页数】:26P.;A4
【正文语种】:英语


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【英文标准名称】:Informationtechnology-GuideforISO/IEC12207(SoftwareLifeCycleProcesses)
【原文标准名称】:信息技术对ISO/IEC12207(软件生命周期过程)的指南
【标准号】:ISO/IECTR15271-1998
【标准状态】:作废
【国别】:国际
【发布日期】:1998-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:研制;定义;网络互连;信息技术;方法;指导手册;显影;服务设施;项目;使用;界面;设计;管理;网络;计算机软件;组织;信息交换;计划;说明书;周期;软件技术;质量保证;数据处理
【英文主题词】:Applications;Computersoftware;Cycle;Dataprocessing;Definitions;Developing;Developments;Guidebooks;Informationinterchange;Informationtechnology;Instructions;Interfaces;Management;Network;Networkinterconnection;Organization;Planning;Process;Project;Qualityassurance;Services;Softwaretechniques
【摘要】:1PurposeThepurposeofthisTechnicalReportistoprovideguidanceontheapplicationofISO/IEC12207.ThisTechnicalReportelaboratesonfactorswhichshouldbeconsideredwhenapplyingISO/IEC12207anddoesthisinthecontextofthevariouswaysinwhichISO/IEC12207canbeapplied.TheguidanceisnotintendedtoprovidetherationalefortherequirementsofISO/IEC12207.Thethreefundamentallifecyclemodelsarediscussedandexamplesoftailoringareprovided.2AudienceThisTechnicalReportiswrittenforthosewhowilluseorapplyISO/IEC12207incontractualsituations,onaprojectirrespectiveofsizeorcomplexity,inanorganizationasaself-evaluationorforsoftwareprocessimprovementinitiatives.ThisTechnicalReportdiscusseshowISO/IEC12207maybeusedinrelationtovarioustypesofsoftwareandindicateswhichprocessesmayberelevantineachcase.ThisTechnicalReportsupportsISO/IEC12207whenitisusedasarequirementsdocumentandalsoforuseasatemplateforguidance.(AnexampleofthelatteriswhenISO/IEC12207isself-imposedaspartofaprocessimprovementexercise.)ThewholeTechnicalReportshouldbeunderstoodbutitmaybeusedinrelationtoparticularsituationsbyreferringtospecificclauses.3PrerequisitesTheprerequisitestousingthisTechnicalReportare:a)AvailabilityofISO/IEC12207;b)FamiliaritywithISO/IEC12207;c)Familiaritywiththerelevantorganizationalpolicies;d)Generalknowledgeofsoftwaremanagement,softwareengineeringandsoftwarelifecyclemodels.
【中国标准分类号】:L77
【国际标准分类号】:35_080
【页数】:49P.;A4
【正文语种】:英语


【英文标准名称】:TokenPassingBusAccessMethodandPhysicalLayerSpecifications
【原文标准名称】:令牌环传送总线存取方法和物理层规范
【标准号】:ANSI/IEEE802.4-1990
【标准状态】:作废
【国别】:美国
【发布日期】:1990
【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】:局部地区网络;规范;物理层;信息技术;电子工程;电气工程
【英文主题词】:physicallayers;lan;informationtechnology;specification;electronicengineering;electricalengineering
【摘要】:
【中国标准分类号】:L79
【国际标准分类号】:35_100_10
【页数】:
【正文语种】:英语