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MAN(Metropolitan Area Network):城域网 Manul:手动 MCI(Multiplex Configuration Information):复合结构信息 MCNS(Multimedia Cable Network System):多媒体电缆网络系统 MCPC(Multi-Channel Per Carrier):多路单载波 Message Switching:报文交换 MGC(Manually Gain Control):手动增益控制 MI(Mutual Isolation):相互隔离 MMDS(Multichannel Multipoint Distribution Service):多信道多点分配服务(美国FCC的英文定义)或(Microwave Multichannel Distribution System):微波多路分配系统 MMF(Multi-Mode Fiber):多模光纤 MMX(MultiMedia eXtension):多媒体扩展(CPU) MOT(Multimedia Object Transfer):多媒体目标传递 MPC(Multimedia Personal Computer):多媒体个人计算机 MPEG(Moving Picture Expert Group):运动图像专家组 MSC(Main Service Channel):主业务信道 MSC(Manually Slope Control):手动斜率控制 MSPS(Mega Symbols Per Second):兆符号/秒 MTBF(Mean Time Between Failures):平均故障间隔时间 MUSE(MUltiple Sub-Nyquist sampling Encoding):多重亚奈取样编码 NCTA(National Cable Television Association):美国有线电视协会 Nd:YAG(Neodymium Yttrium Aluminium Garnet):掺钕钇铝石榴石(激光器) Network Layer:网络层 NII(National Information Infrastrcture):国家信息基础设施(计划) N-ISDN(Narrowband-Integrated Services Digital Network):窄带综合业务数字网络 NVOD(Near Video On Demand):准视频点播 OADM(Optical Add and Drop Multiplexing):光分插复用 OAM(Operation Administration and Maintenance):运营管理与维护 OFDM(Optical Frequency Division Multiplexing):光频分复用 OFDM(Orthogonal Frequency Division Multiplexing):正交频分复用 Off:断开 On:接通 ONU(Optical Network Unit):光网络装置 Oscillator:振荡器 OSI(Open System Interconnection):开放系统互连 Output Impedance:输出阻抗 Output Light Power:输出光功率 OWA(One Way Addressable):单向寻址 OXC(Optical Cross Connection):光交叉连接 Packet Switching:分组交换 PAD(Programme Associated Data):节目伴随数据 Pay-TV:付费电视 PCN(Personal Communication Network):个人通信网 PCS(Personal Communication Service):个人通信业务 PD(Power-Double):功率倍增(放大器) PDFA(Praseodymium-Doped Fiber Amplifier):掺镨氟化物光纤放大器 PDH(Pseudo-Synchronous Digital Hierarchy):准同步数字序列 Phase:相位 Physical Layer:物理层 PI(Programme Identification):节目识别 Picture:图像 Pilot Frequency:导频 PIN(Positive-Intrinsic-Negative):正-本征-负(二极管) Power:电源,功率 PP(Push-Pull):推挽 PPC(Pay-Per-Channel):按频道付费 PPV(Pay-Per-View):按次付费 PRBS(Pseudo-Random Binary Sequence):伪随机二进制序列 Presentation Layer:表示层 PRI(Primary Rate Interface):初始速率接口 Programmable Channel 可编程序频道 PSTN(Public Switching Telecommunication Network):公共交换电信网 QOS(Quality Of Service):服务质量 RDI(Receiver Data Interface):接收机数据接口 RDS(Radio Data System):无线数据系统 Receiver:接收机 Remote Head End:远地前端 RF(Radio Frequency):射频 RIN(Relative Intensity Noise):相对强度噪声 Router:路由器 S/N(Signal to Noise ratio):信噪比 SA(Service Area):服务区 SBS(Stimulated Brillouin Scattering):受激布里渊散射 |
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