附录J英文缩写名词对照表

附录J_英文缩写名词对照表缩写名词英文全称中文译名AAL ATM adaptation layer ATM适配层ACK Acknowledge 确认A/D Analog/Digital 数/模ADPCM Adaptive DPCM 自适应差分脉（冲编）码调制ADSL Asymmetric Digital Subscribers Loop 非对称数字用户环路AM Amplitude Modulation 振幅调制（调幅）AMI Alternative Mark Inverse 传号交替反转ARQ Automatic Repeat reQuest 自动要求重发ASCII American Standard Code forInformation Interchange 美国标准信息交换码ASK Amplitude Shift Keying 振幅键控ASIC Application Specific Integraded Circuit 专用集成电路ATM Asynchronous Transfer Mode 异步传递方式AU Administration Unit 管理单元AUG Administration Unit Group 管理单元群B-ISDN Broadband ISDN 宽带综合业务数字网BPF Bandpass Filter 带通滤波器BRAN Broadband Radio Access Network 宽带射频接入网BRI Basic Rate Interface 基本速率接口C Container 容器CAS Channel Associated Signaling 随路信令CCIR International Consultive Committee forRadiotelecommunication 国际无线电咨询委员会CCITT International Consultive Committee forTelegraph and Telephone 国际电报电话咨询委员会CCS Common Channel Signaling 共路信令CDM Code Division Multiplexing 码分复用CDMA Code Division Mulitple Access 码分多址CLP Cell Lose Priority 信元丢失优先等级CMI Coded Mark Inversion 传号反转CRC Cyclic Redundancy Check 循环冗余校验CSMA/CD Carrier Sense Multiple Access / Collision Detection载波侦听/冲突检测DAMA Demand Assignment Multiple Address 按需分配多址DC Direct Current 直流DES Data Encryption Standard 数据加密标准DFT Discrete Fourier Transform 离散傅里叶变换DM Delta Modulation 增量调制DPCM Differential PCM 差分脉（冲编）码调制DPSK Differential PSK 差分相移键控DSB Double Side Band 双边带DSSS Direct-Sequence Spread Spectrum 直接序列扩谱DTMF Dual Tone Multiple Frequency 双音多频DVB Digital Video Broadcasting 数字视频广播EDGE Enhanced Data Rates for GSM EvolutionEDI Electronic Data Interchange 电子数据交换Erl Erlang 爱尔兰ETSI European Telecommunications Standards Institute欧洲电信标准协会F Frame 帧FDD Frequency Division Duplex 频分双工FDM Frequency Division Multiplexing 频分复用FDMA Frequency Division Multiple Access 频分多址FEC Forward Error Correction 前向纠错Fed Free Euclidean Distance 自由欧氏距离FH Frequency-Hopping 跳频FIFO First-In First-Out 先进先出FIR Finite Impulse Response 有限冲激响应FSK Frequency Shift Keying 频移键控GFC Generic Flow Control 一般流量控制GPRS General Packet Radio Services 通用分组无线业务GMSK Gaussian MSK 高斯最小频移键控GSM Global System for Mobile Communications 全球移动通信系统HDB3 3rd Order High Density Bipolar 3阶高密度双极性HDLC High-level Data Link Control 高级数据链路控制HDTV High Definition Television 高清晰度电视HEC Header Error Control 信元头差错控制HSCSD High Speed Circuit Switched Data 高速电路交换数据IC Integrated Circuit 集成电路IDFT Inverse Discrete Fourier Transform 逆离散傅里叶变换IEEE Institute of Electrical and Electronics Engineers电气和电子工程师学会IIR Infinite Impulse Response 无限冲激响应ISDN Integrated Services Digital Network 综合业务数字网ISO International Standards Organization 国际标准化组织ITM Information Transfer Mode 信息传递方式ITU International Telecommunications Union 国际电信联盟ITU-T ITU Telecommunication Standardization Sector国际电信联盟电讯标准部LAN Local Area Network 局域网LCM Lowest Common Multiple 最小公倍数LDPC Low-Density Parity-Check 低密度奇偶校验LED Light-Emitting Diode 发光二极管MAN Metropolitan Area Network 城域网MASK M-ary Amplitude Shift Keying 多进制振幅键控MCPC Multiple Channel Per Carrier 每载波多路MFSK M-ary Frequency Shift Keying 多进制频移键控MPSK M-ary Phase Shift Keying 多进制相移键控MSK Minimum Shift Keying 最小频移键控NAK Negative Acknowledge 否认NBFM Narrow Band Frequency Modulation 窄带调频NT Network Termination 网络终端NGN next generation Network 下一代网络OFDM Orthogonal Frequency Division Multiplexing 正交频分复用OOK On Off Keying 通-断键控OQPSK Offset Quadrature Phase Shift Keying 偏置正交相移键控OSI Open Systems Interconnection 开放系统互连PCM Pulse Code Modulation 脉（冲编）码调制PAM Pulse Amplitude Modulation 脉冲振幅调制PAN Personal Area Network 个（人区）域网PDH Plesiochronous Digital Hierarchy 准同步数字体系PDM Pulse Duration Modulation 脉冲宽度调制PDN Public Data Network 公共数据网PDU Protocol Data Unit 协议数据单元PIX Pixel 像素PLL Phase-Locked Loop 锁相环PN Pseudo Noise 伪噪声PPM Pulse Position Modulation 脉冲位置调制PRI Primary Rate Interface 基群速率接口PSK Phase Shift Keying 相移键控PSTN Public Switch Telephone Network 公共交换电话网PT Payload Type 有用负荷类型QAM Quadrature Amplitude Modulation 正交振幅调制QDPSK Quadrature DPSK 正交差分相移键控QPSK Quadrature Phase Shift Keying 正交相移键控N-ISDN Narrowband ISDN 窄带综合业务数字网NNI Network Node Interface 网络节点接口NRZ Non Return-to-zero 不归零NT Network Termination 网络终端OFDM Orthogonal Frequency Division Multiplexing 正交频分复用OQPSK Offset QPSK 偏置正交相移键控PSK Phase Shift Keying 相移键控RAM Random Access Memory 随机存取存储器RLAN Radio LAN 无线局域网ROM Read-Only Memory 只读存储器RPE-LTP Regular Pulse Excitation with Long-Term Prediction规则脉冲激励长时预测RSCC Recursive Systematic Convolution Code 递归系统卷积码RZ Return-to-zero 归零SDH Synchronous Digital Hierarchy 同步数字体系SHF Super High Frequency 超高频SOC System On Chip 单片系统SOH Section OverHead 段开销SONET Synchrous Optical Network 同步光纤网络SPADE Single-channel-per-carrier PCM multiple 每载波单路PCM多Access Demand assignment Equipment 址按需分配设备SSB Single Side Band 单边带STM Synchronous Transport Module 同步传送模块STM Synchronous Transfer Mode 同步传递方式TCM Trellis Coded Modulation 网格编码调制TDM Time Division Multiplexing 时分复用TDMA Time Division Multiple Access 时分多址TE Terminal Equipment 用户终端设备TS Time Slot 时隙TU Tributary Unit 支路单元TUG Tributary Unit Group 支路单元群UHF Ultra High Frequency 特高频UNI User-Network Interface 用户-网络接口V AN Value-added Network 增值网VC Virtual Channel 虚信道VC Virtual Container 虚容器VCC Virtual Channel Connection 虚信道连接VCI Virtual Channel Identifier 虚信道标识符VCO V oltage Controlled Oscillator 压控振荡器VP Virtual Path 虚路径VPC Virtual Path Connection 虚路径连接VPI Virtual Path Identifier 虚路径标识符VPN Virtual Private Network 虚拟专用网VSB Vestigial Side Band 残留边带WAN Wide Area Network 广域网WBFM Wide Band Frequency Modulation 宽带调频WDM Wave Division Multiplexing 波分复用WLAN Wireless Local Area Network 无线局域网WPAN Wireless Personal Area Network) 无线个域网WRC World Radiocommunication Conference 世界无线电通信大会WWAN Wireless Wide Area Network 无线广域网。