信息包 packet
信息處理 information processing
信息傳遞 information transfer
信息傳輸系統(tǒng) information transmission system
信息服務業(yè) information service trades
信息高速公路 information highway
信息工程 information engineering
信息獲取 information acquisition
信息技術 information technology
信息技術設備 information technological equipment (ITE)
信息科學 information science
信息量 information quantity
信息流程圖 information flow chart
信息論 information theory
信息社會 information society
信息施用 information utilization
信息位 information digit
信息系統(tǒng) information system
信息系統(tǒng)工程 information system engineering
信息咨詢 information consultant
信源 information source
信源編碼 source coding
信躁比 signal to noise ratio
行波系數(shù) travelling wave coefficient
性能下降 degradation (of performance)
袖珍鈴 pocket bell
袖珍設備 pocket (personal) equipment
虛擬網(wǎng)絡 virtual network
虛電路 virtual circuit
虛警概率 false alarm probability
虛判決值 virtual decision values
許用碼組 permissible code block
序號碼 serial number
選擇呼叫設備 selective-calling system
選擇性 selectivity
選擇重發(fā)ARQ selective repeat ARQ
尋呼規(guī)程 paging procedure
尋呼接收機 paging receiver
尋呼區(qū) paging zone
尋呼信道 paging channel
詢問結點 interrogation node
詢問業(yè)務 inquiry facility
循環(huán)不定位 cyclic unfixed channel assignment
循環(huán)定位 cyclic fixed channel assignment
循環(huán)碼 cyclic code
循環(huán)啟/閉環(huán)轉(zhuǎn)換控制 cyclic on/off switching control
循環(huán)冗余校驗碼 cyclic redundancy check code
循環(huán)壽命 cycle life
訓練序列 training sequence
訓練序列碼 training sequence code

Y
壓電效應 piezoelectric effect
壓控震蕩器 voltage controlled oscillator (VCO)
壓控振蕩器輸入控制電壓 VCO input control voltage

壓擴單邊帶調(diào)幅 companding single sideband/amplitude modulation (CSSB/AM)
壓擴器 compander
壓縮器 compressor
亞毫米波長 submillimeter wavelength
延遲撥號信號 delay-dialing signal
延遲角 delay angle
延伸系統(tǒng) stretch system
嚴重故障 major fault
鹽霧試驗 salt fog test
驗收試驗 acceptance test
揚聲電話機 loudspeaking telephone set
揚聲器額定阻抗 rated impedance of loudspeaker
揚聲器功率 power of loudspeaker
樣值 sample
遙測 telemetry, telemetering
遙控 telecontrol
遙信 telecommand
遙導 teleguidance
遙警 remote alarm
野戰(zhàn)通信系統(tǒng) tactical communication system
業(yè)務的非透明支持 non-transparent support of services
業(yè)務協(xié)調(diào) service interworking
業(yè)務連線阻抗 service connection impedance
業(yè)務輪廓 service profile
業(yè)務輪廓管理 service profile management
業(yè)務區(qū) service area
業(yè)務提供 provision
業(yè)務信道 traffic channel
業(yè)余業(yè)務 amateur service
一次群（基群），數(shù)字群 primary block (digroup)
一階鎖相環(huán) first-order phase-locked loop
一致性規(guī)范 conformity specification
移帶倒頻 band-shift inversion
移動臺標志號碼 mobile identification (MIN)
移動地球站 mobile (satellite) earth station
移動電臺 mobile station
移動設備 mobile equipment
移動臺被呼 mobile terminated (MT)
移動臺國際ISDN號碼 mobile station international ISDN number (MSISDN)
移動臺劃分 mobile allocation (MA)
移動臺接入尋找 mobile access hunting (MAH)
移動臺漫游號碼 mobile station roaming number (MSRN)
移動臺始呼 mobile originated (MO)
移動臺特性 mobile station feature
移動通信系統(tǒng) mobile communication system
移動無線局 mobile switching center (MSC)