AAS(Automatic Addressing System)自动寻址系统

ABR(Available Bit Rate)可用比特率

ACU(Antenna Control Unit)天线控制器

ACI(Adjacent-Channel Interference)邻频干扰

A/D(Anolog to Digital Conversion)模拟数字转换

AFC(Automatic Frequency Control)自动频率控制

AFC(Audio Frequency Control)声频编码器

AFT(Automatic Frequency Tune)自动频率调谐

AGC(Automatic Gain Control)自动增益控制

AM(Amplotude Modulation)调幅

ANT(Antenna)天线

ASIC(Application Specific Integrated Circuit)专用集成电路

ASW(Acoustic Surface Wave)声表面波

AU(Adapter Unit)适配器,附加器

AUL(Average Useful Life)平均使用寿命

B(Baud) 波特(Byte)字节

B(bit)比特

BB(Baseband)基带

BER(Bit Error Rate)误码率,比特差错率

BF或 BPF(Band-pass Filter)带通滤波器

BPS(bps)(Bits Per Second)比特/秒

BPSK(Biphase Shift Keying)二相相移键控

BS(Broadcast Satellite)广播卫星

BSS(Broadcast Satellite Service )广播卫星业务

C/Ku-Band Compatible C/K波段兼容

CAS(Conditional Access System)条件接收系统

C Band (4 GHz to 6 GHz)C波段(4GHz到6GHz)

CCIR(International Radio Consultative Committee)原国际无线电咨询委员会

CCITT(Consultative Committee, International Telegraph and Telephone)国际电报电话咨询委员会

CDV(Compressed Digital Video)压缩数字视频

CH (Channel)信道、通道、频道

CHI(Channel Interface)通道接口

CHIO(Cannel Input/Output)通道输入/输出

CM(Communication Mutiplexer)通信复用器(Cross Modulation)交叉调节器制

C/N(Carrier/Noise)载(波)噪(声)比

CN(Communication Network)通信网络

CNR(C/N )(Carrier to Noise Ration)载噪比

CODEC(codec)(Coder-Decode)编解码器

COFDM(Coded Orthogonal Frequency Devision Multiplexing)编码正交频分复用

COMSAT(Communications Satellite Corporation)美国通信卫星公司

CP(Circular Polarization)圆极化

CP(Circular Polarigation)圆极化

CPU(Central Processing Unit)中央处理单元

CPW(Circular Polargation Wave)圆极化波

CS(Communication Satellite)通信卫星

D/A(Digital/Analog Conversion)数字模拟转换

DAC(Digital/Analog Conversion)数字模拟转换

dB(deciBel)分贝,表示对数比例值

dBi(dB antenna gain relative to anisotroppoc source)天线的增益(相对于各向同性辐射源)

DBS(dB power relative to one watt)直播卫星

dBW(dB power relative to one mili watt)相对于1W的功率的dB值

dBm(dB power relative to one mili watt) 相对于1mw 的功率dB值

DC(Direct Current)直流

D/C(Down Convertor)下变频器

DE(De-emphasis)去加重

Demod(Demodulation )解调

Domsat(Domestic Communi-Salellile)国内通信卫星

DG(Differential Gain)微分增益

DPX(Diplexer)双工器

DSNG(Digital Satellite News Gather)数字卫星新闻采集

DSP(Digital Satellite Processor)数字信号处理

DSR(Digital Satellite Radio)数字卫星广播

DSS(Digital Satellite System)数字系统

DTH(Direct to home)直播到户

DHI(Data Transmission Interface)数据传输接口

DTSC(Digital Television Standard Converter)数字电视制式转换器

DTV(Digital Television)数字电视

DVB(Digital Video Broadcasting) 数字视频广播 (Digital Video Bandwidth)数字视频带宽

ECC(Emitter Correction Code)纠错码

ECS(European Communications Satellite)欧洲通信卫星

EIRP(Effective Isotropic Radiation Power)等效全向辐射功率

ED(Energy Dispersal)能量扩散

EMM(Entitlement Management Message)授权管理信息

ENDE(Encoder/DECoder)编解码器

ENG(Electronic News Gathering)电子新闻采集

ENI(Equivalent Noise Input)等效噪声输入

EPG(Electronic Programme Guides)电子节目指南

ERP(Echo Return Loss)回波损耗

ES(Earth Station) 地球站 (Elementary Stream)基本码流

ESCR(Elementary Stream Clock Reference)基本码流时钟基准

f/D(Focal-Length-to –Diameter ratio of a reflector)卫星抛物反射面焦距对天线口径之比

FDM(Frequency Division Multiple)频分复用

FDMA(Frequency Division Multiple Access)频分多址

FE(Front End)前端

FEC(Forward Error Correction)前向纠错

FECR(Forward Error Corretion Rate)前向纠错率

FF(Feed Forward)前馈

FLL(Frequency Locked Loop)频率锁定环

FM(Frequency Modulation)调频

FM Threshold调频门限

FSS(Fixed Satellite Service)静止卫星业务

GaAs(Gallium Arsenide)砷化镓

Gb(Gigabit)吉比特

Gbps(Gigabits/Second)吉比特/秒