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【正文】 ntlong distance munication link 長距離通信鏈路electronic repeater 電中繼器interval 間隔time division multiplexing (TDM) 時分復(fù)用optical transmission system 光傳輸系統(tǒng)data stream 數(shù)據(jù)流jitter 抖動distortion 失真noise 噪聲dispersion 色散equipment 設(shè)備wire 電纜，有線wireless 無線attenuate 衰減resistance, inductance and capacitance 電阻、電導(dǎo)和電容absorption and scattering 吸收和散射analogue transmission system 模擬傳輸系統(tǒng)signal strength 信號強(qiáng)度signal regeneration 信號再生optical amplifier 光放大器low attenuation window 低損耗窗口Erbium Doped Fiber Amplifier (EDFA) 摻鉺光纖放大器modulation format 調(diào)制格式duobinary 雙二進(jìn)制upgrad 升級spontaneous emission noise 自發(fā)輻射噪聲optical channel 光信號low loss 低損耗optical fiber 光纖link budget 鏈路預(yù)算subscriber loop 用戶環(huán)路coaxial cable 同軸電纜telephone twisted pair 電話雙絞線attenuation characteristic 衰減特性transmission media 傳輸介質(zhì)megabits per second 兆比特/秒ADSL (Asymmetric Digital Subscriber Line) 非對稱數(shù)字用戶環(huán)路Unit 13 WDM Communication SystemWavelength Division Multiplexing 波分復(fù)用optical networking 光網(wǎng)絡(luò)optical device 光器件optical channel 光信道television receiver 電視接收機(jī)radio frequency 無線電頻率，射頻resonant circuit 諧振電路TV set 電視機(jī)FDM 頻分復(fù)用ponent 元件wavelength spacing 波長間隔sparse WDM 粗波分復(fù)用multimode fiber 多模光纖wavelength selective coupler 波長選擇耦合器multiplex 復(fù)用器demultiplex 解復(fù)用器bidirectionally 雙向地data rate 數(shù)據(jù)速率security monitoring 安防optical linkmodulated linewidthtransmitter 發(fā)射機(jī)chirp 啁啾drift 漂移3dB splitter 3dB耦合器Yjunction Y形分束器cascade 級聯(lián)，串聯(lián)grating 光柵waveguide grating 波導(dǎo)光柵loss 損耗amplification 放大crosstalk 串話power level 功率水平nonlinearity 非線性circulator 環(huán)形器fiber bragg grating 光纖光柵detector 探測器photonic network 光子網(wǎng)絡(luò)carrier density 載流子濃度material ageing 材料老化wavelength conversion 波長轉(zhuǎn)換tunable laser 可調(diào)諧激光器microsecond 微妙shared medium LAN 共享媒質(zhì)局域網(wǎng)nanosecond 納秒EDFA 摻鉺光纖放大器gain flatness 增益平坦性add/drop multiplexor 分插復(fù)用器dispersion pensation 色散補(bǔ)償optical crossconnect 光互連WDM Multiplexing and Demultiplexing 波分復(fù)用與解復(fù)用International Telemunications Union (ITU) 國際電信聯(lián)盟interoperation 互操作multichannel system 多信道系統(tǒng)optical amplifier 光放大器long distance pointtopoint WDM system 長距離點(diǎn)到點(diǎn)WDM系統(tǒng)bit rate 比特速率modulation protocol 調(diào)制協(xié)議network architecture 網(wǎng)絡(luò)結(jié)構(gòu)information model 信息模型physical layer 物理層7
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