衛(wèi)星通信專用名詞和縮寫

1、接入控制子系統(tǒng)非對稱數(shù)字用戶線文件傳輸協(xié)議requires user intervention.美國國家標準協(xié)會 應用編程接口 地址解析協(xié)議 異步連續(xù)接口 自動測試設(shè)備 異步傳輸模式 寬帶接入服務(wù) 誤碼率 突發(fā)時鐘頻率計劃 事件管理層 上變頻模塊 載波噪聲密度 恒定比特速Assignment Multiple Access 自由用戶供給設(shè)備單元丟失率修正信息表服務(wù)等級恒定速率分配循環(huán)冗余檢測通用信號通道持續(xù)波按需分配多址技術(shù)分貝dBmto 11. 專用名詞和縮寫AAL ATM Adaptation Layer ATM 適配層 ACQAcquisition signal, used by the

2、 SIT to log on to the satellite network.獲得ACSS Access Control Sub-SystemADSL Asymmetric Digital Subscriber Line AGC File transfer protocol.Alarm A non-recoverable fault in the IDU thatIDU 中一個不可恢復的錯誤要求用戶干涉 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 組合按需分配多址技術(shù)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) 毫分貝dBW Decibel watts. A logarithmic measure of power referenced to 1 watt (1W = 0 dBW). 毫分貝DDSDirect Digital Synthesizer直接數(shù)字合成器DHCP Dynamic Host Configuration Protocol動態(tài)主機設(shè)置協(xié)議DMSDegrees / Minutes /Seconds度/ 分/ 秒DNS Domain Name Server 域名服

6、務(wù)器DSL Digital Subscriber Link 數(shù)字用戶鏈路DSLAMDigital Subscriber Loop Access Multiplexer 數(shù)字用戶環(huán)形接入復用器DVB-RCSDigital Video Broadcast - Retur n Cha nnel System 數(shù)字視頻廣播一回傳信道系統(tǒng)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)錯誤設(shè)置統(tǒng)計性能和安全(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信噪比等效全向輻射功率設(shè)備管理層靜電沖擊 歐洲電信標準協(xié)會 功能接入域自由

10、容量分配& Security幀組成表頻分多址技術(shù)前向糾錯 當?shù)鼐W(wǎng)絡(luò) 前向鏈路子系統(tǒng) 幀中繼 前向信號控制 文件傳輸協(xié)議 天線增益系統(tǒng)噪聲溫度比 網(wǎng)關(guān)接入控制器 網(wǎng)關(guān)設(shè)備管理器 網(wǎng)關(guān)管理子系統(tǒng) 圖形用戶界面 高功率放大器 超文本標記語言 超文本傳輸協(xié)議 輸入反饋 帶內(nèi)請求 網(wǎng)間控制報文協(xié)議 標識 室內(nèi)單元 程序時鐘參考 設(shè)備間鏈路 互聯(lián)網(wǎng)分組管理協(xié)議 互聯(lián)網(wǎng)協(xié)議IP 安全一個廣泛使用的綜合接收機 / 解碼器國際標準組織IPSec key A widely-used network authentication protocol. 網(wǎng)絡(luò)驗證協(xié)議IRD Integrated Receiver/Dec

11、oderISO International Standards Organization互聯(lián)網(wǎng)服務(wù)供應商國際電信聯(lián)盟千比特每秒二層封裝協(xié)議局域網(wǎng)左旋極化 低噪聲轉(zhuǎn)換模塊 本地操作控制臺 監(jiān)控 媒體接入控制 兆比特每秒 多載波解調(diào)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多頻時分多址技術(shù)MGTMulticast Group TableMIB Management Information Base多路分組表管理信息庫MMT Mu

13、lticast Mapping TableMOAM Master Operation Administration & Maintenance 護多路映射表主要操作管理維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 元多協(xié)議封裝運動圖像專家組多協(xié)議標簽交換 平均故障間隔時間 平均修理時間 網(wǎng)絡(luò)接入范圍 網(wǎng)絡(luò)地址轉(zhuǎn)換網(wǎng)絡(luò)參考時鐘 網(wǎng)絡(luò)信息表 網(wǎng)絡(luò)管理層網(wǎng)絡(luò)操作中心不敏感的裝置操作管理維護室外反饋帶外請求室外單元節(jié)目分配表個人電腦周邊元件擴展接口單元峰值速率 程序參考時鐘 協(xié)議數(shù)據(jù)單性能增強代理服務(wù)器分組標識符 定向鎖定回路PEP Performance Enhancing ProxyPID Pa

16、cket IdentificationPLL Phase Locked Loop節(jié)目圖表電話接入網(wǎng)（站）點 以太網(wǎng)點對點協(xié)議 點對點隧道協(xié)議 節(jié)目特定信息 恒虛電路 服務(wù)質(zhì)量 四相鍵控 遠程鑒定撥號用戶服務(wù)RBDC射頻注解請求 射頻子系統(tǒng) 右旋極化 傳送信息協(xié)議 回傳鏈路 回傳鏈路子系統(tǒng) 接收機 軟件圖 衛(wèi)星接入控制 單路單載波 超幀組成表 服務(wù)描述表 衛(wèi)星位置數(shù)據(jù) 飽和通量密度 信號發(fā)送信息 衛(wèi)星互動終端 服務(wù)等級協(xié)定 中小型企業(yè) 服務(wù)管理層 簡單郵件傳輸協(xié)議 簡單網(wǎng)絡(luò)管理協(xié)議 小型辦公室家庭辦公室 衛(wèi)星位置表 結(jié)構(gòu)化查詢語言 安全套接層加密 特殊測試裝備 衛(wèi)星終端和網(wǎng)絡(luò)管理同步待證實待決定

17、終端突發(fā)時間計劃傳輸控制協(xié)議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. 同步信號，SIT用來在衛(wèi)星網(wǎng)絡(luò)上注冊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