附录J_英文缩写名词对照表.doc

附录J_英文缩写名词对照表缩写名词英文全称中文译名AALATM adaptation layerATM适配层ACKAcknowledge确认A/DAnalog/Digital数/模ADPCMAdaptive DPCM自适应差分脉（冲编）码调制ADSLAsymmetric Digital Subscribers Loop非对称数字用户环路AMAmplitude Modulation振幅调制（调幅）AMIAlternative Mark Inverse传号交替反转ARQAutomatic Repeat reQuest自动要求重发ASCII American Standard Code for Information Interchange美国标准信息交换码ASKAmplitude Shift Keying振幅键控ASICApplication Specific Integraded Circuit专用集成电路ATMAsynchronous Transfer Mode异步传递方式AUAdministration Unit管理单元AUGAdministration Unit Group管理单元群B-ISDNBroadband ISDN宽带综合业务数字网BPFBandpass Filter带通滤波器BRANBroadband Radio Access Network宽带射频接入网BRIBasic Rate Interface基本速率接口CContainer容器CASChannel Associated Signaling随路信令CCIRInternational Consultive Committee forRadiotelecommunication国际无线电咨询委员会CCITTInternational Consultive Committee for Telegraph and Telephone 国际电报电话咨询委员会CCSCommon Channel Signaling共路信令CDMCode Division Multiplexing码分复用CDMACode Division Mulitple Access码分多址CLPCell Lose Priority信元丢失优先等级CMICoded Mark Inversion传号反转CRCCyclic Redundancy Check循环冗余校验CSMA/CDCarrier Sense Multiple Access / Collision Detection 载波侦听/冲突检测DAMADemand Assignment Multiple Address按需分配多址DCDirect Current直流DESData Encryption Standard数据加密标准DFTDiscrete Fourier Transform离散傅里叶变换DMDelta Modulation增量调制DPCMDifferential PCM差分脉（冲编）码调制DPSKDifferential PSK差分相移键控DSBDouble Side Band双边带DSSSDirect-Sequence Spread Spectrum直接序列扩谱DTMFDual Tone Multiple Frequency双音多频DVBDigital Video Broadcasting数字视频广播EDGE Enhanced Data Rates for GSM EvolutionEDIElectronic Data Interchange电子数据交换ErlErlang爱尔兰ETSIEuropean Telecommunications Standards Institute欧洲电信标准协会FFrame帧FDDFrequency Division Duplex频分双工FDMFrequency Division Multiplexing频分复用FDMAFrequency Division Multiple Access频分多址FECForward Error Correction前向纠错FedFree Euclidean Distance自由欧氏距离FHFrequency-Hopping跳频FIFOFirst-In First-Out先进先出FIRFinite Impulse Response有限冲激响应FSKFrequency Shift Keying频移键控GFCGeneric Flow Control一般流量控制GPRSGeneral Packet Radio Services通用分组无线业务GMSKGaussian MSK高斯最小频移键控GSMGlobal System for Mobile Communications全球移动通信系统HDB33rd Order High Density Bipolar3阶高密度双极性HDLCHigh-level Data Link Control高级数据链路控制HDTVHigh Definition Television高清晰度电视HECHeader Error Control信元头差错控制HSCSDHigh Speed Circuit Switched Data高速电路交换数据ICIntegrated Circuit集成电路IDFTInverse Discrete Fourier Transform逆离散傅里叶变换IEEEInstitute of Electrical and Electronics Engineers电气和电子工程师学会IIRInfinite Impulse Response无限冲激响应ISDNIntegrated Services Digital Network综合业务数字网ISOInternational Standards Organization国际标准化组织ITMInformation Transfer Mode信息传递方式ITUInternational Telecommunications Union国际电信联盟ITU-TITU Telecommunication Standardization Sector国际电信联盟电讯标准部LANLocal Area Network局域网LCMLowest Common Multiple最小公倍数LDPCLow-Density Parity-Check低密度奇偶校验LEDLight-Emitting Diode发光二极管MANMetropolitan Area Network城域网MASKM-ary Amplitude Shift Keying多进制振幅键控MCPCMultiple Channel Per Carrier每载波多路MFSKM-ary Frequency Shift Keying多进制频移键控MPSKM-ary Phase Shift Keying多进制相移键控MSKMinimum Shift Keying最小频移键控NAKNegative Acknowledge否认NBFMNarrow Band Frequency Modulation窄带调频NTNetwork Termination网络终端NGN next generation Network 下一代网络OFDMOrthogonal Frequency Division Multiplexing 正交频分复用OOKOn Off Keying通-断键控OQPSKOffset Quadrature Phase Shift Keying偏置正交相移键控OSIOpen Systems Interconnection开放系统互连PCMPulse Code Modulation脉（冲编）码调制PAMPulse Amplitude Modulation脉冲振幅调制PANPersonal Area Network个（人区）域网PDHPlesiochronous Digital Hierarchy准同步数字体系PDMPulse Duration Modulation脉冲宽度调制PDNPublic Data Network公共数据网PDUProtocol Data Unit协议数据单元PIXPixel像素PLLPhase-Locked Loop锁相环PNPseudo Noise伪噪声PPMPulse Position Modulation脉冲位置调制PRIPrimary Rate Interface 基群速率接口PSKPhase Shift Keying相移键控PSTNPublic Switch Telephone Network公共交换电话网PTPayload Type有用负荷类型QAMQuadrature Amplitude Modulation正交振幅调制QDPSKQuadrature DPSK正交差分相移键控QPSKQuadrature Phase Shift Keying正交相移键控N-ISDNNarrowband ISDN窄带综合业务数字网NNINetwork Node Interface网络节点接口NRZNon Return-to-zero不归零NTNetwork Termination网络终端OFDMOrthogonal Frequency Division Multiplexing正交频分复用OQPSKOffset QPSK偏置正交相移键控PSKPhase Shift Keying相移键控RAMRandom Access Memory随机存取存储器RLANRadio LAN无线局域网ROMRead-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RZReturn-to-zero归零SDHSynchronous Digital Hierarchy同步数字体系SHFSuper High Frequency超高频SOCSystem On Chip单片系统SOHSection OverHead段开销SONETSynchrous Optical Network 同步光纤网络SPADESingle-channel-per-carrier PCM multiple每载波单路PCM多Access Demand assignment Equipment址按需分配设备SSBSingle Side Band单边带STMSynchronous Transport Module同步传送模块STMSynchronous Transfer Mode同步传递方式TCMTrellis Coded Modulation网格编码调制TDMTime Division Multiplexing时分复用TDMATime Division Multiple Access时分多址TETerminal Equipment用户终端设备TSTime Slot时隙TUTributary Unit支路单元TUGTributary Unit Group支路单元群UHFUltra High Frequency特高频UNIUser-Network Interface用户-网络接口VANValue-added Network增值网VCVirtual Channel虚信道VCVirtual Container虚容器VCCVirtual Channel Connection虚信道连接VCI Virtual Channel Identifier虚信道标识符VCOVoltage Controlled Oscillator压控振荡器VPVirtual Path虚路径VPC Virtual Path Connection虚路径连接VPIVirtual Path Identifier虚路径标识符VPNVirtual Private Network虚拟专用网VSBVestigial Sid