编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第PAGE38页共NUMPAGES38页第PAGE\*MERGEFORMAT38页共NUMPAGES\*MERGEFORMAT38页轨道交通信号系统术语及缩写TermorAcronym/术语或缩写Description/说明A/DAnaloguetoDigital数/模转换ABServicebrakerateasafunctionofacommandedbrakingprofile.做为指令制动包络函数的运营制动率ACBAxleCounterBlock计轴区块ACCAsynchronousCommunicationsController异步通信控制器Accident/事故Anyunforeseeneventoroccurrenceresultingininjuryorpropertydamage.任何不可预知的造成伤害或财产损失的事件ACEAxleCounterEvaluator计轴评估ACRAreaofControlRegion(alsoseeAOA).控制区地带（参见AOA）ActiveState/主用状态OneoffourstatesinwhichaVOBCcanexist.ThestateinwhichaVOBCcancontrolandmonitoracommunicatingtrain’smotion.OnacommunicatingtrainoneandonlyoneVOBCcanexistintheActiveStateatanygiventime.VOBC可存在的四种状态之一。在此状态下VOBC能控制和监视一辆通信列车的运动。在一辆通信列车上有且仅有一个VOBC可在任何给定时间处于主用状态AGSSAutomaticGlobalScheduleSlide全系统自动时刻调整Alignment/平面图Theentirephysicalguidewaycomprisingrunningrails,switches,powerrails,inductiveloopsandassociatedcommunicationandstationplatformequipment.全部的轨道设备，包括运行轨道、道岔、导电轨道、感应环和相关的通信以及车站站台设备。ANSIAmericanNationalStandardsInstitute.美国国家标准化局ANTFILAntennaFilter天线滤波器Anti-ValentTwoinputoroutputbitshavingoppositelogiclevels,e.g.,logicvalues1and0.2个输入和输出比特具有相反的逻辑电平、例如1和0AOAAreaofAuthority(alsoseeACR)管辖区域（参见ACR）APLApprovedPartsList批准的部件表ARTAdvancedRapidTransit先进高速交通ASCAutomaticSpeedControl自动速度控制ASCIIAmericanStandardCodeforInformationInterchange美国信息交换标准码ASMAssembler汇编器AspectTheappearanceofasignalconveyinganindicationasreceivedfromthedirectionofanapproachingtrain.一个信号机状态显示，信号机从接近列车方向传送的标准的指示。ATAALCATELTRANSPORTAUTOMATION阿尔卡特交通自动化ATCAutomaticTrainControl车辆自动控制ATCBoundaryThetransitionbetweenATCandNonATCterritory.ATC控制区域和非ATC控制区域的交界ATCTerritoryTheareaofguidewayequippedwiththeATCsystemtheboundariesofwhicharedelineatedbyEntryLooplocations.装备了ATC系统的轨道。ATOAutomaticTrainOperation列车自动运营ATPAutomaticTrainProtection列车自动防护ATRAutomaticTrainRegulation自动列车调整ATSAutomaticTrainSupervision列车自动监督AutomaticGlobalScheduleSlide/全系统自动时刻调整Avaluecalculatedbasedontheschedulevarianceofth