船舶移動(dòng)業(yè)務(wù) ship movement service
船上通信電臺(tái) on-board communication station ,ship communication station
船用收音機(jī) ship radio
串并變換機(jī) serial to parallel (deserializer)
串并行變換 serial-parallel conversion
串話 crosstalk
垂直方向性圖 vertical directivity pattern
唇式傳聲器 lip microphone
磁屏蔽 magnetic shielding
次級(jí)分布線路 secondary distribution link
猝發(fā)差錯(cuò) burst error
猝發(fā)點(diǎn)火控制 burst firing control
存儲(chǔ)程序控制交換機(jī) stored program controlled switching system
D
大規(guī)模集成電路 large scale integrated circuit (LSI)
大信號(hào)信躁比 signal-to-noise ratio of strong signal
帶成功結(jié)果的常規(guī)操作 normal operation with successful outcome
帶寬 bandwidth
帶內(nèi)導(dǎo)頻單邊帶 pilot tone-in-band single sideband
帶內(nèi)諧波 in-band harmonic
帶內(nèi)信令 in-band signalling
帶內(nèi)躁聲 in-band noise
帶通濾波器 band-pass filter
帶外發(fā)射 out-of-band emission
帶外功率 out-of-band power
帶外衰減 attenuation outside a channel
帶外信令 out-band signalling
帶狀線 stripline
單邊帶發(fā)射 single sideband (SSB) emission
單邊帶發(fā)射機(jī) single side-band (SSB) transmitter
單邊帶調(diào)制 single side band modulation
單邊帶解調(diào) single side band demodulation
單邊帶信號(hào)發(fā)生器 single side band signal generaltor
單端同步 single-ended synchronization
單工、雙半工 simplex, halfduplex
單工操作 simplex operation
單工無(wú)線電話機(jī) simplex radio telephone
單呼 single call
單頻雙工 single frequency duplex
單頻信令 single frequency signalling
單相對(duì)稱(chēng)控制 symmetrical control (single phase)
單相非對(duì)稱(chēng)控制 asymmetrical control (single phase)
單向 one-way
單向的 unidirectional
單向控制 unidirectional control
單信道地面和機(jī)載無(wú)線電分系統(tǒng) SINCGARS
單信道無(wú)繩電話機(jī) single channel cordless telephone
單信號(hào)方法 single-signal method
單音 tone
單音脈沖 tone pulse
單音脈沖持續(xù)時(shí)間 tone pulse duration
單音脈沖的單音頻率 tone frequency of tone pulse
單音脈沖上升時(shí)間 tone pulse rise time
單音脈沖下降時(shí)間 tone pulse decay time
單音制 individual tone system
單元電纜段（中繼段） elementary cable section (repeater section)
單元再生段 elementary regenerator section (regenerator section)
單元增音段，單元中繼段 elementary repeater section
當(dāng)被呼移動(dòng)用戶(hù)不回答時(shí)的呼叫轉(zhuǎn)移 call forwarding on no reply (CFNRy)
當(dāng)被呼移動(dòng)用戶(hù)忙時(shí)的呼叫轉(zhuǎn) calling forwarding on mobile subscriber busy (CFB)
當(dāng)漫游到原籍PLMN國(guó)家以外時(shí)禁止所有入呼 barring of incoming calls when roaming outside the home PLMN country (BIC-Roam)
當(dāng)前服務(wù)的基站 current serving BS
當(dāng)無(wú)線信道擁擠時(shí)的呼叫轉(zhuǎn)移
calling forward on mobile subscriber not reachable (CENRc)
刀型天線 blade antenna
導(dǎo)頻 pilot frequency
導(dǎo)頻跌落pilot fall down
倒L型天線 inverted-L antenna
等步的 isochronous
等幅電報(bào) continuous wave telegraph
等權(quán)網(wǎng)（互同步網(wǎng)） democratic network (mutually synchronized network)
等效比特率 equivalent bit rate
等效地球半徑 equivalent earth radius
等效二進(jìn)制數(shù) equivalent binary content
等效全向輻射功率 equivalent isotropically radiated power (e. i. r. p.)
等效衛(wèi)星線路躁聲溫度 equivalent satellite link noise temperature
低軌道衛(wèi)星系統(tǒng) LEO satellite mobile communication system
低氣壓實(shí)驗(yàn) low atmospheric pressure test
低時(shí)延碼激勵(lì)線性預(yù)測(cè)編碼 low delay CELP (LD-CELP)
低通濾波器 low pass filter
低溫實(shí)驗(yàn) low temperature test
低躁聲放大器 low noise amplifier
地-空路徑傳播 earth-space path propagation
地-空通信設(shè)備 ground/air communication equipment
地波 ground wave
地面連線用戶(hù) land line subscriber
地面無(wú)線電通信 terrestrial radio communication
地面站（電臺(tái)） terrestrial station
第N次諧波比 nth harmonic ratio
第二代無(wú)繩電話系統(tǒng) cordless telephone system second generation (CT-2)
第三代移動(dòng)通信系統(tǒng) third generation mobile systems
點(diǎn)波束天線 spot beam antenna
點(diǎn)對(duì)地區(qū)通信 point-area communication
點(diǎn)對(duì)點(diǎn)通信 point-point communication
點(diǎn)至點(diǎn)的GSM PLMN連接 point to point GSM PLMN
電報(bào) telegraphy
電報(bào)電碼 telegraph code
電波衰落 radio wave fading
電池功率 power of battery
電池能量 energy capacity of battery