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AAS(Automatic Addressing System)自动寻址系统 |
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ABR(Available Bit Rate)可用比特率 |
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ACU(Antenna Control Unit)天线控制器 |
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ACI(Adjacent-Channel Interference)邻频干扰 |
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A/D(Anolog to Digital Conversion)模拟数字转换 |
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AFC(Automatic Frequency Control)自动频率控制 |
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AFC(Audio Frequency Control)声频编码器 |
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AFT(Automatic Frequency Tune)自动频率调谐 |
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AGC(Automatic Gain Control)自动增益控制 |
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AM(Amplotude Modulation)调幅 |
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ANT(Antenna)天线 |
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ASIC(Application Specific Integrated Circuit)专用集成电路 |
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ASW(Acoustic Surface Wave)声表面波 |
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AU(Adapter Unit)适配器,附加器 |
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AUL(Average Useful Life)平均使用寿命 |
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B(Baud) 波特(Byte)字节 |
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B(bit)比特 |
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BB(Baseband)基带 |
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BER(Bit Error Rate)误码率,比特差错率 |
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BF或 BPF(Band-pass Filter)带通滤波器 |
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BPS(bps)(Bits Per Second)比特/秒 |
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BPSK(Biphase Shift Keying)二相相移键控 |
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BS(Broadcast Satellite)广播卫星 |
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BSS(Broadcast Satellite Service )广播卫星业务 |
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C/Ku-Band Compatible C/K波段兼容 |
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CAS(Conditional Access System)条件接收系统 |
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C Band (4 GHz to 6 GHz)C波段(4GHz到6GHz) |
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CCIR(International Radio Consultative Committee)原国际无线电咨询委员会 |
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CCITT(Consultative Committee, International Telegraph and Telephone)国际电报电话咨询委员会 |
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CDV(Compressed Digital Video)压缩数字视频 |
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CH (Channel)信道、通道、频道 |
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CHI(Channel Interface)通道接口 |
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CHIO(Cannel Input/Output)通道输入/输出 |
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CM(Communication Mutiplexer)通信复用器(Cross Modulation)交叉调节器制 |
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C/N(Carrier/Noise)载(波)噪(声)比 |
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CN(Communication Network)通信网络 |
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CNR(C/N )(Carrier to Noise Ration)载噪比 |
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CODEC(codec)(Coder-Decode)编解码器 |
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COFDM(Coded Orthogonal Frequency Devision Multiplexing)编码正交频分复用 |
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COMSAT(Communications Satellite Corporation)美国通信卫星公司 |
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CP(Circular Polarization)圆极化 |
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CP(Circular Polarigation)圆极化 |
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CPU(Central Processing Unit)中央处理单元 |
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CPW(Circular Polargation Wave)圆极化波 |
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CS(Communication Satellite)通信卫星 |
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D/A(Digital/Analog Conversion)数字模拟转换 |
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DAC(Digital/Analog Conversion)数字模拟转换 |
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dB(deciBel)分贝,表示对数比例值 |
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dBi(dB antenna gain relative to anisotroppoc source)天线的增益(相对于各向同性辐射源) |
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DBS(dB power relative to one watt)直播卫星 |
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dBW(dB power relative to one mili watt)相对于1W的功率的dB值 |
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dBm(dB power relative to one mili watt) 相对于1mw 的功率dB值 |
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DC(Direct Current)直流 |
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D/C(Down Convertor)下变频器 |
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DE(De-emphasis)去加重 |
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Demod(Demodulation )解调 |
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Domsat(Domestic Communi-Salellile)国内通信卫星 |
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DG(Differential Gain)微分增益 |
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DPX(Diplexer)双工器 |
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DSNG(Digital Satellite News Gather)数字卫星新闻采集 |
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DSP(Digital Satellite Processor)数字信号处理 |
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DSR(Digital Satellite Radio)数字卫星广播 |
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DSS(Digital Satellite System)数字系统 |
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DTH(Direct to home)直播到户 |
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DHI(Data Transmission Interface)数据传输接口 |
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DTSC(Digital Television Standard Converter)数字电视制式转换器 |
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DTV(Digital Television)数字电视 |
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DVB(Digital Video Broadcasting) 数字视频广播 (Digital Video Bandwidth)数字视频带宽 |
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ECC(Emitter Correction Code)纠错码 |
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ECS(European Communications Satellite)欧洲通信卫星 |
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EIRP(Effective Isotropic Radiation Power)等效全向辐射功率 |
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ED(Energy Dispersal)能量扩散 |
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EMM(Entitlement Management Message)授权管理信息 |
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ENDE(Encoder/DECoder)编解码器 |
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ENG(Electronic News Gathering)电子新闻采集 |
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ENI(Equivalent Noise Input)等效噪声输入 |
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EPG(Electronic Programme Guides)电子节目指南 |
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ERP(Echo Return Loss)回波损耗 |
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ES(Earth Station) 地球站 (Elementary Stream)基本码流 |
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ESCR(Elementary Stream Clock Reference)基本码流时钟基准 |
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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 |
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FDM(Frequency Division Multiple)频分复用 |
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FDMA(Frequency Division Multiple Access)频分多址 |
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FE(Front End)前端 |
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FEC(Forward Error Correction)前向纠错 |
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FECR(Forward Error Corretion Rate)前向纠错率 |
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FF(Feed Forward)前馈 |
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FLL(Frequency Locked Loop)频率锁定环 |
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FM(Frequency Modulation)调频 |
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FM Threshold调频门限 |
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FSS(Fixed Satellite Service)静止卫星业务 |
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GaAs(Gallium Arsenide)砷化镓 |
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Gb(Gigabit)吉比特 |
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Gbps(Gigabits/Second)吉比特/秒 |
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