标准资料网-标准资料免费资源平台

【英文标准名称】:Globalmaritimedistressandsafetysystem(GMDSS)-Part4:INMARSAT-CshipearthstationandINMARSATenhancedgroupcall(EGC)equipment-Operationalandperformancerequirements,methodsoftestingandrequiredtestresults
【原文标准名称】:全球海上遇险和救助系统(GMDSS).第4部分:INMARSAT-C船载地面站和INMARSAT增强群呼叫(EGC)设备.操作和性能要求、测试方法和要求的试验结果
【标准号】:IEC61097-4-2007
【标准状态】:作废
【国别】:国际
【发布日期】:2007-10
【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/TC80
【标准类型】:()
【标准水平】:()
【中文主题词】:地面站;电气工程;全球海上遇险和救助系统;INMARSAT;船舶用无线电通信设备;海洋遇险和救助;导航;导航仪器;导航辅助设备;卫星通信;规范(验收);试验结果;测试
【英文主题词】:Earthstations;Electricalengineering;Globalmaritimedistressandsafetysystem;INMARSAT;Marineradioservice;Maritimedistressandsafety;Navigation;Navigationinstruments;Navigationalaids;Satellitecommunications;Specification(approval);Testresults;Testing
【摘要】:ThispartofIEC61097specifiestheperformancerequirementsandmethodsoftestingforINMARSAT-Cshipearthstations(SES)capableoftransmittingandreceivingdirect-printingcommunications,andforenhancedgroupcall(EGC)equipment,foruseintheGMDSS.Theavailablevariantsare:Class0:AnEGCreceiver,eitherstand-aloneoranelementofaGMDSSinstallationinaccordancewiththeINMARSATdesignandinstallationguidelines(DIGs)forGMDSSinstallations.Class1:AbasicSESprovidingshore-to-shipandship-to-shoremessagetransferonly.Class2:Asclass1butwithEGCasanalternativetoshore-to-shiptransferusingasharedreceiver.Class3:Asclass1butwithEGCusinganindependentreceiver.ThestandardcomplieswithIMOperformancerequirementsstatedinthenormativereferences,INMARSATtechnicalcharacteristicsandtestprocedures,andIEC60945generalrequirementsexceptwheremodificationsareexplicitlystatedinthisstandard.TechnicalcharacteristicsessentialtoGMDSSoperationasdefinedbytheIMOareidentified.Alltextofthisstandard,whosewordingisidenticaltothatinIMOSOLASConvention1974asamendedin1988andResolutionsA.807(19),A.664(16),andA.694(17)isprintedinitalicsandreferencemadetotheResolution/Recommendationandsubclausenumber.Thisstandardcoversequipmentconstructionandtesting.Mattersrelatingtoinstallationmayalsobefoundinthenormativereferenceslistedinclause2.ThosetobefoundinIMOResolutionsA.807(19)andA.664(16)arereproducedinannexA.ResponsibilityfortypeapprovalofINMARSAT-CandINMARSAT-EGCisvestedinINMARSATbyIMOResolutionsA.807(19)andA.664(16).Therefore,thisstandarddoesnotreproduceINMARSATtestproceduresinfull,butreferstowheretheyaregiveninINMARSATdocumentationcitedinthenormativereferencestothisstandard.NOTEForthepurposesofthisstandardthetermsINMARSAT-C,INMARSATStandard-CandStandard-Crefertothesameequipment.
【中国标准分类号】:U66
【国际标准分类号】:47_020_70
【页数】:27P.;A4
【正文语种】:英语


Product Code:SAE AMS7904
Title:Beryllium Bars, Rods, Tubing, and Shapes, High Ductility Grade
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers beryllium in the form of bars, rods, tubing, and machined shapes from vacuum hot pressed powder.