通信专业词汇+通信专业词汇

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1、中国联通ChinaUnicom中国移动ChinaMobile网络容量networkcapacity交换容量exchangecapacity扩容CapacityExpansion平滑升级smoothupgrade工作频率RadioFrequencies接收灵敏度ReceiveSensitivity:数据DataOptions传输速率DataRate电源部分Powersupply数据接口DataInterface天线接口AntennaInterface传输速率BaudRate用户交互界面UserInterface认证

2、Certifications网络数据传输数率netdatatransferrate联通无限U-Max旗下subordinate品牌trademarkU-Info互动视界U-Magic神奇宝典U-Net掌中宽带U-Mail彩eU-Map定位之星U-Sms联通在信应用服务ApplicationService产业价值链industrialValuechain战略目标strategicobjective渠道channel转型transition/Transformation推广extension针对aimat电信tele

3、communication整合conformity市场渗透率marketpenetrationfactor微观的microcosmic科学技术scienceandtechnology地理环境geographicenvironment宏观的macroscopical供应链supplychain产品种类productvariety价格水平pricelevel销售方式modesofsale1.PCM原理抽样量化与编码:sampling,quantizingandcoding话路:speechchannel幅值:ampl

4、itudevalue抽样频率:samplingfrequency抽样速率:samplingrate脉冲流:streamofpulses重复率:repetitionrate编码过程:codingprocess模拟信号:analogsignal传输质量:transmissionquality数字通信:digitalcommunication数字传输:digitaltransmission含噪声的环境:noisyenvironment传输路由:transmissionpath信噪比:signal-to-noiserat

5、io信号电平:signallevels噪声功率:noisepower地面系统:terrestrialsystem二进制传输:binarytransmission反向操作:reverseoperation8-位码序列:8-digitsequence接受端:receivingterminal帧格式:frameformat同步字:synchronizationword实现这三项功能的方案:theschemesforperformingthesethreefunctions一串幅值:aseriesofamplitudev

6、alues电话质量的话路aspeechchanneloftelephonequality一个8位二进制码的序列:asequenceof8-binarydigits理论上的最小抽样频率:aminimumtheoreticalsamplingfrequency占据着300Hz到3.4kHz频率范围的话路:avoicechanneloccupyingtherange300Hzto3.4kHz每个样值8-位码:8-digitspersamplevalue汽车点火系统的打火:thesparkingofacarignitio

7、nsystem重复率为64kHz的脉冲流:thestreamofthepulseswitharepetitionrateof64kHz真实信号与噪声信号的关系:relationshipofthetruesignaltothenoisesignal由卫星上接受到的信号:thesignalreceivedfromasatellite一条特定消息中的全部信息:thecompleteinformatianaboutaparticularmessage被传信号的波形:theshapeofthetransmittedsign

8、al由传输路由引入的衰减:theattenuationintroducedbytransmissionpath将抽样的幅值转换成一串脉冲的单元:theunitthatconvertssampledamplitudevaluetoasetofpulses涉及到第一路，第二路及其他各路的序列:asequencerelatingtochannel1,2andsoon被称为同步字