MIL-HDBK-2124
时间:2024-05-14 03:21:19 来源: 标准资料网 作者：标准资料网 阅读：8495
MIL-HDBK-2124, MILITARY HANDBOOK FLIGHT DATA RECORDER FUNCTIONAL STANDARDS FOR (10 OCT 2000) [SUPERSEDES MIL-STD-2124]., This standard establishes the functional characteristics of a DOD airborne Flight Data Recorder (FDR) used for flight incident, mishap, or crash analysis, and the parameters required to be recorded. Other uses of the FDR, such as aircraft maintenance, shall be as directed by the acquiring activity.
【英文标准名称】:Fixedradiosystems-Conformancetesting-Part2-5:Point-to-multipointequipment;TestproceduresforDS-CDMAsystems(EndorsementoftheEnglishversionEN301126-2-5V1.1.1(2000-11)asGermanStandard)
【原文标准名称】:固定无线电系统.合格试验.第2-5部分:点对多点设备.DS-CDMA系统试验程序
【标准号】:EN301126-2-5-2000
【标准状态】:现行
【国别】:
【发布日期】:2001-10
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:传播技术;无线电装置;复接;传播学;传输技术;合格试验;术语;多点接头;继电器射频;传输方法;试验;多路传送;设备;无线电工程;信息处理;电气工程;天线;电信
【英文主题词】:Antennas;Communication;Communicationtechnology;Conformitytesting;Electricalengineering;Equipment;Informationprocessing;Multiplex;Multiplexing;Multipointconnections;Radioengineering;Radiosystems;Relayradio;Telecommunication;Telecommunications;Terminology;Testing;Transmissionmethods;Transmissiontechnique
【摘要】:
【中国标准分类号】:M36
【国际标准分类号】:33_060_30
【页数】:1P.;A4
【正文语种】:英语
【英文标准名称】:Non-destructiveexaminationofwelds-Ultrasonicexaminationofweldedjoints-Acceptancelevels
【原文标准名称】:焊接无损检验.焊点超声检测.验收水平
【标准号】:BSEN1712-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-12-15
【实施或试行日期】:1997-12-15
【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】:试验条件;灵敏度;校正;焊接接头;无损检验;焊接;厚度;横向连接;超声检验;尺寸;验收(鉴定);验收检验;连接
【英文主题词】:Boundaries;Buttseams;Ferriticsteels;Materials;Materialstesting;Methods;Non-destructivetesting;Permissibility;Surfaces;Testing;Ultrasonictesting;Ultrasonics;Weldedjoints;Welding;Weldingengineering
【摘要】:ThisEuropeanStandardspecifiesultrasonicacceptancelevels,2and3,forfullpenetrationweldedjointsinferriticsteels,whichcorrespondtothequalitylevelsBandCofEN25817.Otheracceptancelevelscanbeusedbyspecification.AnacceptancelevelcorrespondingtolevelDofEN25817hasnotbeenincludedinthisstandardasultrasonictestingisnotrecommendedforthisweldquality.TheseacceptancelevelsareapplicabletotestingcarriedoutinaccordancewiththestandardsreferredtoinEN12062.Textdeleted.Thestandardisapplicabletothetestingoffullpenetrationferriticsteelwelds,withthicknessesfrom8mmupto100mm.Itcanalsobeusedforothertypesofwelds,materialsandthicknessesabove100mm,providedthetestshavebeenperformedwithnecessaryconsiderationofthegeometryandacousticalpropertiesofthecomponentandanadequatesensitivitycanbeemployedtoenabletheacceptancelevelsofthisstandardtobeapplied.ThenominalfrequencyofprobesusedinthisEuropeanStandardisbetween2MHzand5MHzunlessattenuationorrequirementsforhigherresolutioncallforanotherfrequency.Theuseoftheseacceptancelevelsinconjunctionwithfrequenciesoutsidethisrangeneedstobeconsideredcarefully.
【中国标准分类号】:J33
【国际标准分类号】:25_160_40
【页数】:14P.;A4
【正文语种】:英语