通信原理
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非对称数字用户环路
Subscribers Loop
AM Amplitude Modulation振幅调制（调幅）
AMI Alternate Mark Inverse传号交替反转
APK Amplitude Phase Keying幅相键控
ARQ Automatic Repeat reQuest自动要求重发
ASCII American Standard Code美国标准信息交换码
for Information
Interchange
ASK Amplitude Shift Keying振幅键控
ASIC Application Specific专用集成电路
Integrated Circuit
ATM Asynchronous Transfer异步转移模式
Mode
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BCD Binary Coded Decimal二十进制
BPF Bandpass Filter带通滤波器
BRAN Broadband Radio Access宽带射频接入网
Network
BRI Basic Rate Interface基本速率接口
C Container容器
CAS Channel Associated随路信令
Signaling
CCIR International Consultive国际无线电咨询委员会
Committee for
Radiotelecommunication
CCITT Consultive Committee for国际电报电话咨询委员
International Telegraph 会
and Telephone
CCS Common Channel共路信令
Signaling
CDM Code Division码分复用
Multiplexing
CDMA Code Division Multiple码分多址
Access
CELP Code Excited Linear码激励线性预测
Prediction
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相关移相键控
Keying
CRC Cyclic Redundancy Check循环冗余校验
CSMA/CD Carrier Sense Multiple载波侦听 /冲突检测
Access/Collision Detection
DAMA Demand Assignment按需分配多址
Multiple Address
DC Direct 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离散傅里叶变换
Transform
(FFT Fast Fourier Transform快速傅里叶变换 )
DM( M)Delta Modulation增量调制
DPCM Differential Pulse Code差分脉（冲编）码调制
Modulation
(ADPCM Adaptive DPCM自适应差分脉冲编码调
制 )
DPSK Differential Phase Shift差分相移键控
Keying
DS Direct Sequence(spread 直接序列（扩谱）
spectrum)
DSB Double Side Band双边带
DSBSC Double Sideband双边带抑制载波
Suppressed Carrier
DSSS Direct-Sequence Spread直接序列扩谱
Spectrum
DTE Data Terminal Equipment数据终端设备
DTMF Dual Tone Multiple双音多频
Frequency
DVB Digital Video Broadcasting数字视频广播
EDGE Enhanced Data Rates for提高 GSM 数据率的改进
GSM Evolution方案
EDI Electronic Data电子数据交换
Interchange
Erl Erlang爱尔兰
ETSI European欧洲电信标准协会
Telecommunication
Standards Institution
F Frame帧
FCS Fast Circuit Switching快速电路交换
FDD Frequency Division频分双工
Duplex
FDM Frequency Division频分复用
Multiplexing
FDMA Frequency Division频分多址
Multiple Access
FEC Forward Error Correction前向纠错
Fed Free Euclidean Distance自由欧式距离
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移频键控
GFC Generic Flow Control一般流量控制
GPRS General Packet Radio通用分组无线业务
Services
GMSK Gaussian MSK高斯最小频移键控GSM Global System for Mobile全球移动通信系统
Communications
HDB 33rd Order High Density 3 阶高密度双极性（码）
Bipolar
HDLC High-level Data Link高级数据链路控制
Control
HDTV High Definition Television高清晰度电视
HEC Header Error Control信元头差错控制
HPS High Packet Switching高速分组交换
HSCSD High Speed Circuit高速电路交换数据
Switched Data
HT Hadamard Transform哈达玛变换
IC Integrated Circuit集成电路
IDFT Inverse Discrete Fourier逆离散傅里叶变换
Transform
IEEE Institute of Electrical and电气和电子工程师学会
Electronics Engineers
IIR Infinite Impulse Response无限冲激响应
ISDN Integrated Services Digital综合业务数字网
Network
(B-ISDN Broadband ISDN宽带综合业务数字网）(N-ISDN Narrowband ISDN窄带综合业务数字网）ISI Intersymbol Interference码间干扰
ISO International Standards 国际标准化组织
Organization
ITM Information Transfer
Mode
ITU International
Telecommunications
Union
ITU-T ITU Telecommunication
Standardization Sector LAN Local Area Network
LCM Lowest Common Multiple LD-CELP Low Delay Code Excited
Linear Prediction
LDPC Low-Density Parity-Check LED Light-Emitting Diode
LPC Linear Prediction coding LPF Lowpass Filter
MAN Metropolitan Area
Network
MASK M-ary Amplitude Shift
Keying
MCPC Multiple Channel Per
Carrier
MFSK M-ary Frequency Shift
Keying
MPSK M-ary Phase Shift Keying MSK Minimum Shift Keying (GMSK Gaussian MSK
NAK Negative Acknowledge
NBFM Narrow Band Frequency Modulation
NT Network Terminal
N-ISDN Narrowband ISDN
NNI Network Node Interface NRZ Non Return-to-Zero
OFDM Orthogonal Frequency Division Multiplexing
OSI/RM the Reference Model of
Open Systems
Interconnection
OOK On Off Keying
OQPSK Offset Quadrature Phase
Shift Keying
OSI Open Systems 信息传递方式
国际电信联盟
国际电信联盟电讯标准部
局域网
最小公倍数
低延迟码激励线性预测
低密度奇偶校验
发光二极管
线性预测编码
低通滤波器
城域网
M进制振幅键控
每载波多路
M进制移频键控
M进制相移键控
最小移频键控
高斯最小移频键控）否认
窄带调频
网络终端
窄带综合业务数字网网络节点接口
不归零
正交频分复用
开放系统互联参考模型
通-断键控
偏置正交相移键控
开放系统互连
Interconnection
PAD Packet Assembly and信号包组装和拆卸
Disassembly
PAM Pulse Amplitude脉（冲振）幅调制
Modulation
PAN Personal Area Network个（人区）域网
PCM Pulse Code Modulation脉（冲编）码调制PDH Plesiochronous Digital准同步数字体系
Hierachy
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 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 Telephone 公共交换电话网
Network
PT Payload Type有用负荷类型
QAM Quadrature Amplitude正交振幅调制
Modulation
QDPSK Quadrature DPSK正交差分相移键控QPR Quadrature Partial正交部分响应
Response
QPSK Quadrature Phase Shift正交相移键控
Keying
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规则脉冲激励长时预测
with Long-Term Prediction
R-S(code)Reed-Solomon(code)里德 -索洛蒙（码）RSCC Recursive Systematic递归系统卷积码
Code
RZ Return-to-Zero归零
SDH Synchronous Digital同步数字体系
Hierarchy
SSB Single Sideband单边带
STM Synchronous Transfer同步转移模式
Mode
TCM Trellis Coded Modulation网格编码调制
TDM Time Division时分复用
Multiplexing
TFM Tamed Frequency软调频
Modulation
VC Virtual Channel虚通道
VB(decoding)Viterbi (decoding)维特比（译码）
VCI Virtual Channel Identifier虚通道标记
VSB Vestigial Sideband残留边带
WDM Wavelength Division波分复用
Multiplexing
WT Walsh Transform沃尔什变换
4B/3D(code) 4 Binary/3 ternary (code) 4 二进制 /3 三电平（码）