地下電纜 underground cable
通信衛(wèi)星 communication satellite
微波設(shè)備 microwave facilities
調(diào)制器與解調(diào)器 modulator and demodulator
緩沖器 buffer
定時(shí)信號(hào) timing signals
同步脈沖 synchronization pulses
時(shí)隙 time slot
移位寄存器 shift register
傳輸媒體 transmission medium
線形衰弱 linear attenuation
信息安全 information security
鍵盤(pán) keyboard
數(shù)據(jù)終端 data terminals
某種類型的數(shù)據(jù)轉(zhuǎn)換設(shè)備 some type of data conversion equipment
視頻顯示終端 visual display terminal
全雙工的數(shù)據(jù)傳輸系統(tǒng) full-duplex data transmission system
由數(shù)據(jù)處理器的運(yùn)算速率所決定的速率 the rate determined by the operating speed of the data processor
由接口部件來(lái)的定時(shí)信號(hào) timing signals from the interface assembly
磁心存儲(chǔ)器 magnetic core memories
線性衰減和時(shí)延特性 linear attenuation and delay characteristics
傳輸損傷 transmission impairments
語(yǔ)音中的冗余特性 the redundant nature of speech
在數(shù)據(jù)發(fā)送器中的編碼過(guò)程 coding process in the data transmitter
二進(jìn)制的不歸零信號(hào) binary nonreturn-to-zero signal
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