卫星通信专用名词和缩写

1、接入控制子系统非对称数字用户线文件传输协议requires user intervention.美国国家标准协会 应用编程接口 地址解析协议 异步连续接口 自动测试设备 异步传输模式 宽带接入服务 误码率 突发时钟频率计划 事件管理层 上变频模块 载波噪声密度 恒定比特速Assignment Multiple Access 自由用户供给设备单元丢失率修正信息表服务等级恒定速率分配循环冗余检测通用信号通道持续波按需分配多址技术分贝dBmto 11. 专用名词和缩写AAL ATM Adaptation Layer ATM 适配层 ACQAcquisition signal, used by the

2、 SIT to log on to the satellite network.获得ACSS Access Control Sub-SystemADSL Asymmetric Digital Subscriber Line AGC File transfer protocol.Alarm A non-recoverable fault in the IDU thatIDU 中一个不可恢复的错误要求用户干涉 ANSI American National Standards Institute API Application Program Interface ARPAddress Resolut

3、ion ProtocolASI Asynchronous Serial Interface ATE Automated Test Equipment ATM Asynchronous Transfer Mode BAS Broadband Access Server BER Bit Error Rate BFTP Burst and Frequency Time Plan BMLBusiness Management LayerBUC Block Up-Converter C/No Carrier to Noise Density CBRConstant Bit Rate率CF-DAMA Co

4、mbined Free Demand 组合按需分配多址技术CFE C ustomer Furnished EquipmentCLR Cell Loss RatioCMTCorrection Message TableCoS Class of ServiceCRA Continuous Rate AssignmentCRCCyclic Redundancy CheckCSCCommon Signaling ChannelCW Continuous WaveDAMA Demand Assignment Multiple Access dB Decibel.Decibel milliwatts. A

5、 logarithmicmeasure of power, referencedmilliwatt (1 mW = 0dB) 毫分贝dBW Decibel watts. A logarithmic measure of power referenced to 1 watt (1W = 0 dBW). 毫分贝DDSDirect Digital Synthesizer直接数字合成器DHCP Dynamic Host Configuration Protocol动态主机设置协议DMSDegrees / Minutes /Seconds度/ 分/ 秒DNS Domain Name Server 域名服

6、务器DSL Digital Subscriber Link 数字用户链路DSLAMDigital Subscriber Loop Access Multiplexer 数字用户环形接入复用器DVB-RCSDigital Video Broadcast - Retur n Cha nnel System 数字视频广播一回传信道系统Eb/NoEIRPEMLESDETSI European Telecommunications Standards InstituteFADFCA FCAPSSignal to noise ratio.Effective Isotropic Radiated Power

7、 Equipment Management Layer Electrostatic dischargeFunctional Access DomainFree Capacity AssignmentFault Configuration Accounting Performance (management)错误设置统计性能和安全(管理)FCT Frame Composition TableFDMA Frequency Division Multiple AccessFEC Forward Error CorrectionFL Local area network.FLSS Forward Li

8、nk Sub-SystemFR Frame RelayFSH Forward Signaling HandlerFTP File Transfer ProtocolG/T Antenna Gain to System Noise Temperature RatioGACGEMGMSSGateway Access ControllerGateway Equipment ManagerGateway Management Sub-SystemGUI Graphical User InterfaceHPAHTMLHTTPIBO Input Back OffHigh Power Amplifier H

9、yperText Mark-up Language HyperText Transfer ProtocolIBR In-Band RequestICMP Internet Control Message ProtocolID IdentifierIDU Indoor UnitIF Program Clock Reference.IFL Interfacility LinkIGMP Internet Group Management ProtocolIP Internet ProtocolIPSec IP Security信噪比等效全向辐射功率设备管理层静电冲击 欧洲电信标准协会 功能接入域自由

10、容量分配& Security帧组成表频分多址技术前向纠错 当地网络 前向链路子系统 帧中继 前向信号控制 文件传输协议 天线增益系统噪声温度比 网关接入控制器 网关设备管理器 网关管理子系统 图形用户界面 高功率放大器 超文本标记语言 超文本传输协议 输入反馈 带内请求 网间控制报文协议 标识 室内单元 程序时钟参考 设备间链路 互联网分组管理协议 互联网协议IP 安全一个广泛使用的综合接收机 / 解码器国际标准组织IPSec key A widely-used network authentication protocol. 网络验证协议IRD Integrated Receiver/Dec

11、oderISO International Standards Organization互联网服务供应商国际电信联盟千比特每秒二层封装协议局域网左旋极化 低噪声转换模块 本地操作控制台 监控 媒体接入控制 兆比特每秒 多载波解调器ISP Internet Service ProviderITU International Telecommunication Union kbps Kilobits per secondL2TP Layer Two Tunneling Protocol LANLocal, Area NetworkLHCP Left Hand Circular Polarizati

12、on LNBLow-Noise Blockdown ConverterLOC Local Operator Console M&C Monitor and ControlMAC Medium Access Control Mbits/s Megabits per second MCD Multi Carrier DemodulatorMF-TDMA Multi-Frequency Time-Division Multiple Access多频时分多址技术MGTMulticast Group TableMIB Management Information Base多路分组表管理信息库MMT Mu

13、lticast Mapping TableMOAM Master Operation Administration & Maintenance 护多路映射表主要操作管理维MPE Multi Protocol Encapsulation MPEG Moving Pictures Experts Group MPLS Multi-Protocol Label Switching MTBF Mean Time Between Failure MTTR Mean Time To Repair NAD Network Access Domain NATNetwork Address Translatio

14、n NCR Network Clock Reference NIT Network Information Table NML Network Management Layer NOCNetwork Operations CenterNPM Non Penetrating MountOA&M Operation Administration & Maintenance OBO Outdoor Back OffOBR Out-Band Request ODU Outdoor Unit PAT Program Association Table PC Personal Computer PCI P

15、ersonal Computer Interface PCR (ATM) Peak Cell Rate PCR (MPEG)Program Clock ReferencePDU Protocol Data Unit 元多协议封装运动图像专家组多协议标签交换 平均故障间隔时间 平均修理时间 网络接入范围 网络地址转换网络参考时钟 网络信息表 网络管理层网络操作中心不敏感的装置操作管理维护室外反馈带外请求室外单元节目分配表个人电脑周边元件扩展接口单元峰值速率 程序参考时钟 协议数据单性能增强代理服务器分组标识符 定向锁定回路PEP Performance Enhancing ProxyPID Pa

16、cket IdentificationPLL Phase Locked Loop节目图表电话接入网（站）点 以太网点对点协议 点对点隧道协议 节目特定信息 恒虚电路 服务质量 四相键控 远程鉴定拨号用户服务RBDC射频注解请求 射频子系统 右旋极化 传送信息协议 回传链路 回传链路子系统 接收机 软件图 卫星接入控制 单路单载波 超帧组成表 服务描述表 卫星位置数据 饱和通量密度 信号发送信息 卫星互动终端 服务等级协定 中小型企业 服务管理层 简单邮件传输协议 简单网络管理协议 小型办公室家庭办公室 卫星位置表 结构化查询语言 安全套接层加密 特殊测试装备 卫星终端和网络管理同步待证实待决定

17、终端突发时间计划传输控制协议PMT Program Map TablePOPPoint of PresencePPPoE Point to Point Protocol over EthernetPPTP Point to Point Tunneling ProtocolPSI Program Specific InformationPVC Permanent Virtual CircuitQoS Quality of ServiceQPSK Quadrature Phase Shift KeyingRADIUS Remote Authentication Dial-in User Servi

18、ceSynchronization signal, used by the SIT to log on to the satellite network. 同步信号，SIT用来在卫星网络上注册RF Radio FrequencyRFCRequest for CommentRFSS Radio Frequency SubsystemRHCP Right Hand Circular PolarizationRIP Routing Information ProtocolRL Return Link.RLSS Return Link SubsystemRX ReceiverS/W imageSofw

19、are ImageSAC Satellite Access ControlSCPC Single Carrier Per ChannelSCT Super frame Composition TableSDT Service Description TableSEDSatellite Ephemeris DataSFD Saturated Flux DensitySI Signaling InformationSIT Satellite Interactive TerminalSLA Service Level AgreementSME Small & Medium EnterprisesSM

20、L Se rvice Management LayerSMTP Simple Mail Transfer ProtocolSNMP Simple Network Management ProtocolSOHO Small Office Home OfficeSPT Satellite Position TableSQL Standard Query LanguageSSLSecure socket layer encryptionSTESpecial Test EquipmentSTNM Satellite Terminal and Network ManagerSYNC SynchronizationTBC To be ConfirmedTBD To be DeterminedTBTP Terminal Burst Time PlanTCP Transport Control ProtocolTCT Time slot Composition Table TDMTime Division MultiplexTDMA Time Division Multiple Access TDT Time & Date Table TFSSTiming/Frequency Subsystem TFTP Trivial File Transfer Protocol