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1.《通信原理》词汇
Uint1
抽样量化和编码：sampling quantizing and coding 话路：speech channel 幅值：amplitude value
抽样频率：sampling frequency 抽样速率：sampling speed rate 脉冲流：stream of pulses 重复率： repetition rate 编码过程：coding processs 模拟信号：analog signal
传输质量transmission quality 数字通信digital communication 数字传输digital transmission 含噪声的环境noisy environment 传输路由transmission path 信号比signal-to-noise ratio 信号电平signal levels
地面系统terrestrial system 噪声功率noise power
二进制传输binary transmission 反向操作reverse operation 8位码序列8-digit sequence 接收端receiving terminal 帧格式frame format
同步字synchronization word
the schemes for performing these three function 实现这三项功能的方案
a series of amplitude values 一串幅值
a speech channel of telephone quality 电话质量的话路 a sequence of 8-binary digits 一个8位二进制码的序列
a minimum theoretical sampling frequency 理论上的最小抽样频率
a voice channel occupying the range 300Hz to 3.4KHz 占据着300Hz到3.4KHz 频率范围的话路
8-digits per sample value 每个样值8位码
the sparking of a car ignition system 汽车点火系统的大火 the stream of the pulsese with a repetition rate of 64KHz 重复率为64KHz的脉冲
the relationship of the true signal to the noise signal 真实信号与噪声信号的关系
the signal received from a satellite 由卫星上收到的信号
the complete information about a particular message 一条特定消息的全部信息
the shape of the transmitted signal 被传信号的波形
the attenuation introduced by transmission path 由传输路由引入的衰减
the unit that converts sampled amplitude value to a set of pulses 将抽样的幅值转换成一串脉冲的单元
a sequence relating to channel 1，2 and son on涉及到第一路、第二路及其他各路的序列
a unique sequence of pulses called synchronization word 被称为同步字的独特的码序列 terrestrial system 地面系统 精品文档
the presence or absence of the pulse 脉冲的“有”或“无” a high-speed electronic switch 高速的电子开关 the time division multiplexer 时分多路复用器 Time Division Multiplexing 时分多路复用 Unit2
串行接口 serial interface 显示终端 CRT terminal
发送器与接收器 transmitter and receiver 数据传输 data transmission 数据流 data stream 闲置状态the idle state 传号电平 mark level 空号电平 space level 起始位start bit 停止位stop bit
T秒的持续时间duration of T seconds 奇偶校验位parity bit 错误标志error flag
传输错误transmission error 下降沿falling edge
符号间的空格 intersymbol space 接收机的定时 receiver timing 本地时钟local clock 磁带 magnetic tape 控制比特 control bit 逻辑1电平logical 1 level 二进制数据binary data
明显的缺点obvious disadvantage
asynchronous serial data transmission 异步串行数据传输 The most popular serial interface 最为流行的串行接口 The transmitted data 所传送的数据
The clocks at the transmitter and receiver发送器和接收器的时钟
The era of teleprinter电传机的时代
The dots and dashes of a character一个字符的点和划
Three times the duration of intersymbol space符号间空格持续时间的三倍
The group of bits called characters 被称为字符的比特组
The invariable units comprising 7 or 8 bits of information由7或8个比特的信息组成的固定单元
A clock generated locally by the receiver 由接收机本地产生的时钟
The received parity bit following the character 在字符后所收到的奇偶校验位
The falling edge of the start bit 起始位的下降沿
The character-oriented nature of the data link 数据链路面向字符的特性
Uint3
联网技术 networking technology
国际标准化组织 international Organization for Standardization (ISO)
参考模型 reference model
欢迎来主页下载---精品文档 数据分组 packet data
应用程序 application program 网络媒体 network media 分层 called layering
硬件和软件 hardware and software 表示层 the presentation layer 传输层 the transport layer 数据链路层 the data link layer 网络服务 network services 文件接入 file access 数据格式 data format 主机 host 协议 protocol 连接 connectivity
逻辑地址 logical addressing
Networking technology 联网技术
Proprietary networking system 专用联网系统
The international Organization for Standardization 国际标准规划组织
Compatibility between the various type of networks 各种网络之间的兼容性
Seven numbered layers 七层协议
Standardization of network components 网络部件的标准化 Error recovery 纠错
Receiving host’s system 发方主机系统
Connection-oriented circuits 面向连接的电路 Information flow control 信息流控制 Network media access 网络媒体接入 Electrical specification 电气特性
Maximum transmission distance 最大传输距离
Uint 4
传输控制协议transmission control protocol 互联协议Internet protocol 数据通信data communication 微波microwave
高层协议higher-level protocol 流量控制traffic control 目的地destination （信）源resource 段segment
互联层Internet layer
分组交换packet switching
超文本传输协议hypertext transfer protocol 灵活性flexibility 数据报datagram
transmission control protocol传输控制协议 Internet protocol互联协议 satellite links卫星链路
the Standard On which the internet has grown互联网发展所基于的标准
Network access layer网络接人层
connection－oriented protocol面向连接的协议 file transfer protocol文件传输协议
hypertext transfer protocol超文本传输协议 domain name system域名系统 developer of software软件开发人
user datagram protocol用户数据报协议 packet -switched technology分组交换技术
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Unit 5
局域网local area network 工作站workstation 外设peripheral 拓扑topology 集线器hub 交换器switch 流量traffic
网络接口卡network interface card 数据库database
印刷电路板printed circuit board 主板motherboard
网络适配器network adaptor 并行数据parallel data 电脉冲electrical impulses 中继器repeater
联网介质networking media local-area network局域网 logical topology逻辑拓扑
devices that connect directly to a network segment直接连到网络段的部件
network interface card网络接口卡
process of the encapsulation打包的过程 standardized symbol标准化的符号 printed circuit board印刷电路板
expansion slot of a bus on a computer’s motherboard在计算机母板上总线的扩展槽
network adapter网络适配器
parallel signal produced by the computer由计算机产生的并行信号
transmltting station发送站
the specifications for Category 5 twisted-pair Ethernet五类双绞线以太网的规范
Unit 6
无源集线器passive hub 网桥 bridge
可用带宽 useable handwidth 地址表addressing table 交换器 switch 路由器 router 光纤optical fiber
无线介质wireless media 铜线copper wire
the device that serves as the center of network作为网络中心的部件
multi-port repeater多端口中继器
reliability of the network网络的可靠性 passive or active hubs无源或有源的集线器
protocol address or network address地址或网络地址 network administrator网络管理者
switching of packets to the best route交换分组到最佳路由 network segment网络段
Unit 7
网络资源network resource 信息服务information services 远程终端remote terminals 地址address
互连的系统 interconnected systems
欢迎来主页下载---精品文档 命令 command
电子邮件electronic mail 主机Host
无线信道wireless channels 搜索工具popup
用户界面user interface 衰减逼近瑞利极限的光纤fibers with losses approaching the Rayleigh limit
室温下的门限电流 . room temperature threshold currents 较长波长区the longer wavelength region 用户接入工程. subscriber access project
部件性能和可靠性的改进improvements in component 拷贝copy' 互连网popup 存取access
文本信息textual messages 鼠标mouse 协议protocol
超文本协议hypertext protocol
giant network of computers located all over the world分布在全世界的计算机的巨大网络 backbone system主干系统
nationwide network全国范围的网络 electronic conferences电子会议 remote terminal远程终端 live conversation实时的对话 world wide web万维网 searching tool搜寻工具
the largest repository of information 最大的信息库 network facilities resources网络设备资源
the vast majority of the computers on the net在网上的绝大多数计算机
the Unix operating system UNIX操作系统 textual message文本信息s
a way to move data between the internet and your PC 在因特网和你的PC机之间传送数据的方法
the convenient searching tools方便的搜索工具
the networked hypertext protocol 联网的超文本协议
Unit 8
optical fiber communications 光纤通信 light source 光源 wavelength 波长 laser 激光器 dispersion 色散
transmission medium传输介质 multi-mode fiber 多模光纤 long-haul trunks 长途干线 single-mode fiber 单模光纤 bandwidth 带宽
wideband subscriber 宽带用户 fiber-optics 纤维光学
commercial technology 商用技术 threshold current 门限电流 photodetector 光检测器
wavelength multiplexing 波分复用 fiber-optic networks 纤维光网络 video bandwidth 视频带宽
长途传输 long distance transmission 中继距离. repeater spacing
商用技术 . commercial technology< 光纤通信 . optical fibre communications
已装光纤的总长度 . the total length of installed fibre 长途通信系统 long-haul telecommunication system 低衰减的石英纤维 the low-loss silica fibre 精品文档
performance and reliability<
已安装的光纤系统的数据速率data rates for installed fibre optic system
每秒吉比特gigabit per second range 波分复用. wavelength multiplexing
宽带用户环路系统. wideband subscriber loop system 多纤连接器. multifibre connectors 设计寿命 . projected lifetime 光源. light source
单模光纤. single-mode fibre
分布反馈式激光器 distributed-feedback laser 信息容量 information capacity 交换体系. switching hierarchy 宽带业务 .broadband services
Unit 9
cellular mobile telephone 蜂窝式移动电话 service perfor mance 服务性能 frequency band 频带 microprocessor 微处理器 mobile unit 移动手机
broadcast service广播业务 antenna 天线
subsystems 子系统
mobile subscriber 移动用户 service capability 服务能力 untiliaztion 利用率 bandwidth 带宽
single-sideband 单边带 spread spectrum 扩频
large scale integrated circuits 大规模集成电路 cellular site 蜂窝点
cellular switch 蜂窝交换机 radio cabinet 无线机架 call processing 呼叫处理 service area 服务区
frequency spectrum untiliaztion 频谱利用率
the limited assigned frequency band 有限的指定频带 complicated features and functions 复杂的特性和功能
large-scale integrated circuit technology 大规模集成电路技术 developmental cellular system 实验性的蜂窝系统 central coordinating element 中央协调单元 cellular administration 蜂窝管理
operational limitation of conventional mobile telephone system 传统移动电话的运行限制
limited service capability 有限的服务能力 radio communication industry 无线通行行业
available radio frequency spectrum 可用的无线电频谱 the allocated frequency band 所分配的频带 mobile transceiver 移动收发器
technological feasibility 技术上的可行性 servere spectrum limitation 严厉的频谱限制 FM broadcasting service 调频广播业务 propagation path loss 传播路径衰耗
电子自动化系考研复试专业英语词汇(完美版)
