1有线电视设备专业词汇I. 产品名称Modulator 调制器Demodulator 解调器Modem 调制解调器 (Modulator and Demodulator)Amplifier 放大器Branch Amplifier 分支放大器Bridger Amplifier 桥接放大器Optical Receiver 光接收器Optical Transmitter 光发射器Optical node 光工作站Optical workstation 光工作站Power supply 供电器Outdoor tap 室外分支器Indoor splitter 室内分配器Optical coupler 光耦合器Optical splitter 光分路器Optical platform 光平台Multiplexer 多路复用器Diplexer 双工滤波器Headend controller 前端控制器Fiber Optic closure 光接续盒Optical power meter 光功率计2Signal Level meter 场强仪TV Connector 接头Coaxial Cable 同轴电缆Optical Cable 光缆Switch 交换机Pigtail cable 尾缆Optical fusion splicer 光熔接机Optical platform chassis 光设备机架Encoder 编码器Decoder 译码器Scrambler 扰频器Adapter 适配器 Chip 芯片Media convertor 光纤收发器Wireless transmitter 无线发射器EOC access system EOC 接入系统EOC masterEOC 主控设备TV head-end 电视前端Subscriber management system 用户管理系统Network management system 网络管理系统Transmit antenna 发射天线Responder 应答器Mobile digital TV 移动数字电视Frequency divider 分频器3Access-controller 路权管理终端控制器converter 整流器CA system / conditional Access system 数字电视有条件接收系统Attenuator 衰减器Fiber jumper 跳线Bridge jumper 桥接器Optical return path 光上行通道upstream signal generator 上行信号发生器influx-splitter 汇分集线器Optical power meter 光功率计OTDR optical time domain reflect-meter 光时域反射计 OLT Optical line terminal 光线路终端ONU Optical network Unit 光网络单元STB Set-top-box 机顶盒EOC Ethernet over Coax 以太数据通过同轴电缆传输ITIS interactive TV information system 互动电视资讯系统All solid-state TV transmitter 全固态数字电视发送器Adjacent channel multiplex synthesizer 临频多工合成器II. 技术指标相关词汇Broadband 宽带Band width 带宽Encrypt 加密De-encrypt 解密4Video 视频Audio 音频Interface 界面Resolution 分辨率Ethernet 以太网Wide band 宽频带的Broadcast 广播节目 Subscriber 用户Dimensional sound 立体声Stereo 立体声Bit stream 比特流Init, initialize 初始化Attenuation 衰减Dynamic 动态Bit 比特Byte 字节Conditional access (有)条件存取Distortion 扭曲Backup 备份Dithering 抖动Phase 相Protocol 协议Addressable 可寻址criterion 标准5semiconductor 半导体diode 二极管output level 输出电平close-circuit television 闭路电视communicate satellite 通信卫星interface 接口forward error correction 前向纠错feed correction technology 前馈校正技术caption 字幕synchronism 同步asynchronism 异步input level 输入信号电平impedance 阻抗channel isolation 通道隔离度slots 插槽threshold 门限input return loss 反射功耗LO leakage 本振泄露Amplitude 振幅Differential gain 微分增益Differential phase 微分相位Distortion 失真度Sampling 采样Channel crosstalk 声道串扰6Eye pattern 眼图Weighted 加权值Harmonica distortion 谐波失真Packet format 包格式Multi-pictures 画中画功能Debug 调试Compatibility 兼容性Modularized 模块化Configure 配置Calibrate 校准Transistor 晶体管Voltmeter 电压表Capacitance 电容量Capacitor 电容器Resistance，resistor 电阻Gateway 通路Processor 处理器Build-in 内置Agile frequency 捷变频Transducer 变频器Communication gate 通信网关Accessories, fittings 配件Interactive 交互式Interference 干扰7Synthesizer 合成器Signal level 信号电平Plug 接插头III. 专业词汇缩略语CATV cable television 电缆电视/community antenna television 有线电视MATV master antenna television 共用天线电视STB Set-top-box 机顶盒EOC Ethernet over Coaxial 以太数据通过同轴电缆传输HFC Hybrid fiber coaxial 光纤同轴电缆混合网HDTVhigh definition television 高清晰度电视VOD video on demand 视频点播MPEG Moving Picture Experts Group 活动图像专家组NMS network management system 网管系统Hi-fi high fidelity 高保真CA conditional access 有条件收视/加密节目RF radio frequency 射频AM amplitude modulation 调幅OLT Optical line terminal 光线路终端ONU Optical network Unit 光网络单元OTDR optical time domain reflect-meter 光时域反射计Mbps mega-bits per sound 兆比特/秒VHF very high frequency 甚高频UHF ultra-high frequency 特高频8FM frequency modulator 调频AC alternative current 交流电DC direct current 直流OSD on screen display 品目菜单式调节方式DSB digital sound broadcasting 数字声音广播DVB-S digital video broadcasting-Satellite 卫星数字视频广播DVB-C digital video broadcasting-cable 有限数字视频广播DVB-T digital video broadcasting-terrestrial 地面数字视频广播IT IS interactive TV information system 互动电视资讯系统QPSK Quaternary phase shift keying 正交（四相）相移键控QAM quadrature amplitude modulation 正交调幅TS terminal station 终端站CAN cable area network 电缆区域网LED light emitting diode 发光二极管ASI asynchronous serial interface 异步串行接口MCPC multiple channel per carrier 多路单载波SCPC single channel per carrier 单路单载波MPTS multi-program transport stream 多节目传输流SPTS single-program transport stream 单节目传输流RAS remote access server 远端访问服务器CDT cable data terminal 电缆数据终端AF audio frequency 音频VF video frequency 视频FTTB fiber to the building 光纤到楼9CPU central processing Unit 中央处理单元RAM random access memory 随机访问内存ROM read only memory 只读存储器AAC automatic addressable system 自动寻址系统RTI real time interface 实时接口GSM global system for mobile communication 全球移动通信系统SDI serial digital interface 串行数字接口MMDS multi-channel multi-point distribution system 多频道多点分配系统MMDS Multichannel Microwave Distribution System 无线多路微波分配系MUDS Multichannel UHF Distribution System 无线多路分米波分配系统APC automatic phase control 自动相位控制ARP address resolution protocol 地址解析协议ATCautomatictemperaturecontrol自动温度控制BTS broadcasting technical standard 广播技术标准CTE customer terminal equipment 用户终端设备CTN cable terminal network 电缆终端网PID process identifier 进程控制符SPI synchronous parallel interface 同步平行接口EPG Electronic Progra