BS EN 13757-4-2005 仪表和仪表远程读数用通信系统.无线仪表读数(在868MHz至870MHzSRD频带上运行的无线电仪表读数)
时间:2024-05-23 11:43:45 来源: 标准资料网 作者：标准资料网 阅读：9451
【英文标准名称】:Communicationsystemsformetersandremotereadingofmeters-Wirelessmeterreadout(radiometerreadingforoperationinthe868-870MHzSRDband)
【原文标准名称】:仪表和仪表远程读数用通信系统.无线仪表读数(在868MHz至870MHzSRD频带上运行的无线电仪表读数)
【标准号】:BSEN13757-4-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-10-28
【实施或试行日期】:2005-10-28
【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】:通信系统;传播技术;计数器;数据编码;数据交换;数据处理;数据记录;数据传送;数据传输;定义;电气工程;特点;频率;功能;信息;信息交换;信息处理;链路层;测量数据传输;仪表;监视装置;检测仪;物理层;无线电报;阅读;接收机;遥控技术;遥控监示;远距离传输;远程控制系统;远程处理;热环境系统;传输;传输协议;发射机;白色层;无线
【英文主题词】:Communicationsystems;Communicationtechnology;Counters;Dataenciphering;Dataexchange;Dataprocessing;Datarecording;Datatransfer;Datatransmission;Definition;Electricalengineering;Features;Frequencies;Functions;Information;Informationinterchange;Informationprocessing;Linklayers;Measurementdatacommunication;Meters;Monitoringdevice;Operatingmode;Physicallayers;Radiotelegraphy;Reading;Receivers;Remotecontroltechnology;Remotemonitoring;Remotetransmission;Telecontrolsystems;Teleprocessing;Thermalenvironmentsystems;Transmission;Transmissionprotocol;Transmitters;Whitelayers;Wireless
【摘要】:ThisEuropeanStandardspecifiestherequirementsofparametersforthephysicalandthelinklayerforsystemsusingradiotoreadremoteMeters.TheprimaryfocusistousetheShortRangeDevices(SRD)unlicensedtelemetryband,868MHzto870MHz.Thestandardencompassessystemsforwalk-by,drive-byandfixedinstallations.Asabroaddefinition,thisEuropeanStandardcanbeappliedtovariousapplicationlayers.
【中国标准分类号】:N21
【国际标准分类号】:33_200;35_100_10;35_100_20
【页数】:36P.;A4
【正文语种】:英语
【英文标准名称】:Bituminousmixtures-Testmethodsforhotmixasphalt-Resistancetofatigue
【原文标准名称】:沥青混合料.热混沥青的试验方法.抗疲劳性
【标准号】:BSEN12697-24-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-08-06
【实施或试行日期】:2004-08-06
【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】:地沥青;弯曲试验;建筑;施工材料;定义(术语);测定;岩心;耐久性;耐用试验;疲劳;疲劳特性;精整;热混沥青;负荷;数学计算;测量;机械性能;路面(道路);物理性能;耐力;道路建筑;表面;试样;测试
【英文主题词】:Asphalts;Bendtesting;Construction;Constructionmaterials;Definitions;Determination;Drillcores;Durability;Endurancetests;Fatigue;Fatiguebehaviour;Finishes;Hotmixasphalts;Loading;Mathematicalcalculations;Measurement;Mechanicalproperties;Pavements(roads);Physicalproperties;Resistance;Roadconstruction;Surfaces;Testspecimens;Testing
【摘要】:Thisdocumentspecifiesthemethodsforcharacterisingthefatigueofbituminousmixturesbyalternativetests,includingbendingtestsanddirectandindirecttensiletests.Thetestsareperformedoncompactedbituminousmaterialunderasinusoidalloadingorothercontrolledloading,usingdifferenttypesofspecimensandsupports.Theprocedureisusedtorankbituminousmixturesonthebasisofresistancetofatigue,asaguidetorelativeperformanceinthepavement,toobtaindataforestimatingthestructuralbehaviourintheroadandtojudgetestdataaccordingtospecificationsforbituminousmixtures.Becausethisdocumentdoesnotimposeaparticulartypeoftestingdevice,theprecisechoiceofthetestconditionsdependsonthepossibilitiesandtheworkingrangeoftheuseddevice.Forthechoiceofspecifictestconditions,therequirementsoftheproductstandardsforbituminousmixturesshallberespected.Theapplicabilityofthisdocumentisdescribedintheproductstandardsforbituminousmixtures.Resultsobtainedfromdifferenttestmethodsarenotassuredtobecomparable.
【中国标准分类号】:E43
【国际标准分类号】:93_080_20
【页数】:64P;A4
【正文语种】:英语