·上一文章：卫星天线的种类
·下一文章：卫星信号的干扰及防干扰
|
|
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 |
