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中國聯(lián)通 China Unicom

中國移動China Mobile

網(wǎng)絡(luò)容量 network capacity

交換容量exchange capacity

擴容Capacity Expansion

平滑升級smooth upgrade

工作頻率Radio Frequencies

接收靈敏度Receive Sensitivity

數(shù)據(jù)Data Options

傳輸速率Data Rate

電源部分Power supply

數(shù)據(jù)接口Data Interface

天線接口Antenna Interface

傳輸速率Baud Rate

用戶交互界面User Interface

認證Certifications

網(wǎng)絡(luò)數(shù)據(jù)傳輸數(shù)率 net data transfer rate

聯(lián)通無限U-Max

旗下subordinate

品牌 trademark

應(yīng)用服務(wù)Application Service

產(chǎn)業(yè)價值鏈industrial Value chain

戰(zhàn)略目標(biāo)strategic objective

渠道channel

轉(zhuǎn)型transition/Transformation

推廣extension

針對aim at

電信telecommunication

整合conformity

市場滲透率 market penetration factor

微觀的microcosmic

科學(xué)技術(shù)science and technology

地理環(huán)境geographic environment

宏觀的macroscopical

供應(yīng)鏈supply chain

產(chǎn)品種類product variety

價格水平price level

銷售方式modes of sale

抽樣量化與編碼:sampling,quantizing and coding

話路:speech channel幅值: amplitude value

抽樣頻率: sampling frequency

抽樣速率: sampling rate脈沖流: stream of pulses

重復(fù)率: repetition rate 編碼過程: coding process

模擬信號: analog signal

傳輸質(zhì)量: transmission quality

數(shù)字通信: digital communication

數(shù)字傳輸: digital transmission

含噪聲的環(huán)境: noisy environment

傳輸路由: transmission path

信噪比 :signal-to-noise ratio

信號電平 :signal levels噪聲功率: noise power

地面系統(tǒng): terrestrial system

二進制傳輸: binary transmission

反向操作: reverse operation

8-位碼序列: 8-digit sequence

接受端: receiving terminal 幀格式 :frame format

同步字 :synchronization word

實現(xiàn)這三項功能的方案 :the schemes for performing these three functions

一串幅值: a series of amplitude values

電話質(zhì)量的話路 a speech channel of telephone quality

一個8位二進制碼的序列: a sequence of 8-binary digits

理論上的最小抽樣頻率 :a minimum theoretical sampling frequency

占據(jù)著300Hz到3.4kHz頻率范圍的話路: a voice channel occupying the range 300Hz to 3.4kHz

每個樣值8-位碼: 8-digits per sample value

汽車點火系統(tǒng)的打火: the sparking of a car ignition system

重復(fù)率為64kHz的脈沖流: the stream of the pulses with a repetition rate of 64kHz

真實信號與噪聲信號的關(guān)系: relationship of the true signal to the noise signal

由衛(wèi)星上接受到的信號 :the signal received from a satellite

一條特定消息中的全部信息 :the complete informatian about a particular message

被傳信號的波形 :the shape of the transmitted signal

由傳輸路由引入的衰減: the attenuation introduced by transmission path

將抽樣的幅值轉(zhuǎn)換成一串脈沖的單元 :the unit that converts sampled amplitude value to a set of pulses

涉及到第一路，第二路及其他各路的序列: a sequence relating to channel 1,2 and so on

被稱為同步字的獨特碼序列: a unique sequence of pulses called synchronization word

地面系統(tǒng) :terrestrial system

脈沖的“有”或“無” : the presence or absence of the pulses

高速的電子開關(guān): a high-speed electronic switch

時分多路復(fù)用器 :the time division multiplexer

時分多路復(fù)用 :Time Division Multiplexer

串行接口 serial interface

顯示終端 CRT terminal

發(fā)送器與接收器 transmitter and receiver

數(shù)據(jù)傳輸 data transmission

數(shù)據(jù)流 data stream

閑置狀態(tài) the idle state

傳號電平 mark level

空號電位 space level

起始位 start bit

停止位 stop bit

T秒的持續(xù)時間 duration of T seconds

奇偶校檢位 parity bit

錯誤標(biāo)志 error flag

傳輸錯誤 transmission error

下降沿 fallinf edge

符號間的空格 intersymbol space

接收機的定時 receiver timing

本地時鐘 local clock

磁帶 magnetic tape