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 |
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