通信工程专业英语的 缩写

1、4B/3D(code)-4 Binary/3 ternary (code)4二进制/3三电平（码）AA/D-Analog/Digital数/模AAL-ATM adaptation layerATM适配层AC. ac.-Alternating Current 交流ACK-ACKnowledge确认ADC-Application data center集中托管式数据应用中心 -Analog-to-Digital Converter模拟/数字转换器 (模数变换器)ADPCM-Adaptive DPCM自适应差分脉（冲编）码调制ADPCM-Adaptive DPCM自适应差分脉冲编码调制ADSL-As

2、ymmetric Digital Subscriber Line非对称数字用户环路ADSL-Asymmetric Digital Subscribers Loop非对称数字用户环路AM-Amplitude Modulation 幅度调制、调幅AM-Amplitude Modulation振幅调制（调幅）AMI-Alternate Mark Inverse传号交替反转ANSI-American National Standards Institute美国国家标准学会APK-Amplitude Phase Keying幅相键控APT-the Advanced Packaging Tool Ubun

3、tu软件包管理系统的高级界面ARQ-Automatic Repeat reQuest自动要求重发ASCII-American Standard Code for Information Interchange美国标准信息交换码ASIC-Application Specific Integrated Circuit专用集成电路ASK-Amplitude Shift Keying振幅键控AT&T-American Telephone & Telegraph美国电话电报公司ATM-Automated Tellermachine自动取款机-Asynchronous Transfer Mode 异步转移

4、（传递）模式AU-Administration Unit管理单元AUG-Administration Unit Group管理单元群 BBCD-Binary Coded Decimal二十进制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 CCAS-Channel Associated Signaling随路信令CCITT-Consultive Committee for Internati

5、onal Telegraph and Telephone国际电报电话咨询委员会C-Container容器CCS-Common Channel Signaling共路信令CDMA-Code Division Multiple Access码分多址CDM-Code Division Multiplexing码分复用CELP-Code Excited Linear Prediction码激励线性预测CLP-Cell Lose Priority信元丢失优先等级CMI-Coded Mark Inversion传号反转COR-PSK-Correlative Phase-Shift Keying相关移相键控

6、CPU-Central Processing Unit中央处理器CRC-Cyclic Redundancy Check循环冗余校验CRT -Cathode Ray Tube 阴极射线管（显示器）-Chinese Remainder Theorem 中国剩余定理CSMA/CD-Carrier Sense Multiple Access/Collision Detection载波侦听/冲突检测 DDAC-Digital Audio Compress数/模转装换器(数字模拟转换器)DAMA-Demand Assignment Multiple Address按需分配多址DC. (dc.)-Direc

7、t Current 直流DCT-Discrete Cosine Transform离散余弦变换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DOS-Disk Operating System磁盘操作系统DPCM-Differential Pulse Code Modulation差分脉（冲编）码调制DPSK-Differential Phase Shift Keying差分相移键控DSB-Double Side Band双边带DSBSC-Doubl

8、e Sideband Suppressed Carrier双边带抑制载波DS-Direct Sequence(spread spectrum)直接序列（扩谱）DSP-Digital Signal Processing数字信号处理DSSS-Direct-Sequence Spread Spectrum直接序列扩谱DTE-Data Terminal Equipment数据终端设备DTMF-Dual Tone Multiple Frequency双音多频DVB-Digital Video Broadcasting数字视频广播 EEDGE-Enhanced Data Rates for GSM Evo

9、lution提高GSM数据率的改进方案EDI-Electronic Data Interchange电子数据交换Erl-Erlang爱尔兰ETSI-European Telecommunication Standards Institution欧洲电信标准协会 FFCS-Fast Circuit Switching快速电路交换FDD-Frequency Division Duplex频分双工FDMA-Frequency Division Multiple Access频分多址FDM-Frequency Division Multiplexing频分复用FEC-Forward Error Cor

10、rection前向纠错Fed-Free Euclidean Distance自由欧式距离FET-Field-Effect Transistor 场效应管F-Frame帧FFT -Fast Fourier Transform 快速傅立叶变换FH-Frequency-Hopping跳频FIFO-First-In First-Out先进先出FIR-Finite Impulse Response有限冲激响应FM-Frequency Modulation 频率调制、调频FSK-Frequency-Shift Keying移频键控FTP-File Transfer Protocol文件传输协议 GGFC-

11、Generic Flow Control一般流量控制GMSK-Gaussian MSK高斯最小频移键控GPRS-General Packet Radio Service 通用无线分组业务GSM-Global System for Mobile Communications全球移动通信系统 HHDB3-3rd Order High Density Bipolar3阶高密度双极性（码）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

12、制HPS-High Packet Switching高速分组交换HSCSD-High Speed Circuit Switched Data高速电路交换数据HT-Hadamard Transform哈达玛变换HTTP-Hypertext Transfer Protocol 超文本传输协议 IIC-Integrated Circuit 集成电路IDFT-Inverse Discrete Fourier Transform逆离散傅里叶变换IEC-International Electrotechnical Commission国际电工委员会IEEE -Institute of Electrical

13、 and Electronics Engineers 电气与电子工程师协会IFFT -Inverse Fast Fourier Transform 逆快速傅立叶变换IIR-Infinite Impulse Response无限冲激响应ISDN -integrated services digital network 综合业务数字网ISI-Intersymbol Interference码间干扰ISO -International Standardization Organization国际标准化组织ITM-Information Transfer Mode信息传递方式ITU -Internat

14、ional 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 LLAN -local area network 局域网LASER(laser)-Light Amplification by Stimulated Emission of Radiation通过受激发射光扩大(激光)LCD-Liquid Crystal Display 液晶显示器LCM-Lowest Common Multiple最小公倍数LD-CELP-Low Delay Code Excited

15、 Linear Prediction低延迟码激励线性预测LDPC-Low-Density Parity-Check低密度奇偶校验LED-Light Emitting Diode发光二极管 - Large Electronic Display大型电子展示 - Lupus erythematosus disseminatus播散性红斑狼疮LED-Light-Emitting Diode发光二极管LPC-Linear Prediction coding线性预测编码LPF-Lowpass Filter低通滤波器 MMAN-Metropolitan Area Network 城域网MASK-M-ary

16、Amplitude Shift KeyingM进制振幅键控MCPC-Multiple Channel Per Carrier每载波多路MFSK-M-ary Frequency Shift KeyingM进制移频键控MPSK-M-ary Phase Shift KeyingM进制相移键控MSK-Minimum Shift Keying最小移频键控 NNAK-Negative Acknowledge否认NBFM-Narrow Band Frequency Modulation窄带调频N-ISDN-Narrowband ISDN窄带综合业务数字网NNI-Network Node Interface网

17、络节点接口NRZ-Non Return-to-Zero不归零NT-Network Terminal网络终端NTSC-National Television Standards Committee（美国）国家电视标准委员会 OOFDM-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/RM-the Reference Model of Open Systems Interconnection开放系统互

18、联参考模型OSI-Open Systems Interconnection开放系统互连 PPAD-Packet Assembly and Disassembly信号包组装和拆卸PAL-Programmable Array Logic可编程阵列逻辑PAM-Pulse Amplitude Modulation脉（冲振）幅调制PAN-Personal Area Network个（人区）域网PCM-Pulse Code Modulation脉（冲编）码调制PDH-Plesiochronous Digital Hierachy准同步数字体系PDM-Pulse Duration Modulation脉（冲

19、）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-Pulse-Locked Loop锁相环PM-Pulse Modulation脉冲调制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PST(code)-Paired Selected Ternary成对选择三进制（码）PSTN-Public Switch Te

20、lephone Network公共交换电话网PT-Payload Type有用负荷类型 QQAM-Quadrature Amplitude Modulation正交振幅调制QDPSK-Quadrature DPSK正交差分相移键控QPR-Quadrature Partial Response正交部分响应QPSK-Quadrature Phase Shift Keying正交相移键控 RRADAR(radar)-Radio Detection And Ranging无线电探测与定位(雷达)RAM-Random Access Memory随机存取存储器RAM-random access memory随机存储器RLAN-Radio LAN无线局域网ROM-Read-Only Memory只读存储器ROM-Read-Only Memory只读内存RPE-LTP-Regular Pulse Excitation with Long-Term Prediction规则脉冲激