初级分布线路 primary distribution link 初始化 initialization 处理增益 processing gain 传播时延 propagation delay
传播系数 propagation coefficient 传导干扰 conducted interference
传导杂散发射 conducted spurious emission 传递函数 transfer function 传递时间 transfer time 传声器 microphone
传输保密 transmission security
传输层协议 transport layer protocol 传输集群 transmission trunking
传输结束字符 end of transmission character 传输媒体 transmission medium 传输损耗 transmission loss
传输损耗 （无线线路的） transmission loss (of a radio link) 传输通道 transmission path
传输信道 transmission channel 传真 facsimile, FAX
船舶地球站 ship earth station 船舶电台 ship station
船舶移动业务 ship movement service
船上通信电台 on-board communication station ,ship communication station 船用收音机 ship radio
串并变换机 serial to parallel (deserializer) 串并行变换 serial-parallel conversion 串话 crosstalk
垂直方向性图 vertical directivity pattern 唇式传声器 lip microphone 磁屏蔽 magnetic shielding
次级分布线路 secondary distribution link 猝发差错 burst error
猝发点火控制 burst firing control
存储程序控制交换机 stored program controlled switching system D
大规模集成电路 large scale integrated circuit (LSI) 大信号信躁比 signal-to-noise ratio of strong signal
带成功结果的常规操作 normal operation with successful outcome 带宽 bandwidth
带内导频单边带 pilot tone-in-band single sideband 带内谐波 in-band harmonic 带内信令 in-band signalling
带内躁声 in-band noise
带通滤波器 band-pass filter 带外发射 out-of-band emission 带外功率 out-of-band power
带外衰减 attenuation outside a channel 带外信令 out-band signalling 带状线 stripline
单边带发射 single sideband (SSB) emission
单边带发射机 single side-band (SSB) transmitter 单边带调制 single side band modulation 单边带解调 single side band demodulation
单边带信号发生器 single side band signal generaltor 单端同步 single-ended synchronization 单工、双半工 simplex, halfduplex 单工操作 simplex operation
单工无线电话机 simplex radio telephone 单呼 single call
单频双工 single frequency duplex
单频信令 single frequency signalling
单相对称控制 symmetrical control (single phase) 单相非对称控制 asymmetrical control (single phase) 单向 one-way
单向的 unidirectional
单向控制 unidirectional control
单信道地面和机载无线电分系统 SINCGARS
单信道无绳电话机 single channel cordless telephone 单信号方法 single-signal method 单音 tone
单音脉冲 tone pulse
单音脉冲持续时间 tone pulse duration
单音脉冲的单音频率 tone frequency of tone pulse 单音脉冲上升时间 tone pulse rise time 单音脉冲下降时间 tone pulse decay time 单音制 individual tone system
单元电缆段（中继段） elementary cable section (repeater section) 单元再生段 elementary regenerator section (regenerator section) 单元增音段，单元中继段 elementary repeater section
当被呼移动用户不回答时的呼叫转移 call forwarding on no reply (CFNRy) 当被呼移动用户忙时的呼叫转 calling forwarding on mobile subscriber busy (CFB)
当漫游到原籍PLMN国家以外时禁止所有入呼 barring of incoming calls when roaming outside the home PLMN country (BIC-Roam) 当前服务的基站 current serving BS 当无线信道拥挤时的呼叫转移
calling forward on mobile subscriber not reachable (CENRc) 刀型天线 blade antenna 导频 pilot frequency 导频跌落pilot fall down
倒L型天线 inverted-L antenna 等步的 isochronous
等幅电报 continuous wave telegraph
等权网（互同步网） democratic network (mutually synchronized network) 等效比特率 equivalent bit rate
等效地球半径 equivalent earth radius 等效二进制数 equivalent binary content
等效全向辐射功率 equivalent isotropically radiated power (e. i. r. p.) 等效卫星线路躁声温度 equivalent satellite link noise temperature 低轨道卫星系统 LEO satellite mobile communication system 低气压实验 low atmospheric pressure test
低时延码激励线性预测编码 low delay CELP (LD-CELP) 低通滤波器 low pass filter 低温实验 low temperature test 低躁声放大器 low noise amplifier
地-空路径传播 earth-space path propagation
地-空通信设备 ground/air communication equipment 地波 ground wave
地面连线用户 land line subscriber
地面无线电通信 terrestrial radio communication 地面站（电台） terrestrial station 第N次谐波比 nth harmonic ratio
第二代无绳电话系统 cordless telephone system second generation (CT-2) 第三代移动通信系统 third generation mobile systems 点波束天线 spot beam antenna
点对地区通信 point-area communication 点对点通信 point-point communication
点至点的GSM PLMN连接 point to point GSM PLMN 电报 telegraphy
电报电码 telegraph code 电波衰落 radio wave fading 电池功率 power of battery
电池能量 energy capacity of battery
电池容量 battery capacity 电池组 battery
电磁波 electromagnetic wave
电磁波反射 reflection of electromagnetic wave 电磁波饶射 diffraction of electromagnetic wave 电磁波散射 scattering of electromagnetic wave
电磁波色射 dispersion of electromagnetic wave 电磁波吸收 absorption of electromagnetic wave 电磁波折射 refraction of electromagnetic wave 电磁场 electromagnetic field 电磁发射 electromagnetic field 电磁辐射 electromagnetic emission
电磁干扰 electromagnetic interference (EMI) 电磁感应 electromagnetic induction 电磁环境 electromagnetic environment
电磁兼容性 electromagnetic compatibility (EMC)
电磁兼容性电平 electromagnetic compatibility level 电磁兼容性余量 electromagnetic compatibility margin 电磁脉冲 electromagnetic pulse (EMP)
电磁脉冲干扰 electromagnetic pulse jamming 电磁敏感度 electromagnetic susceptibility 电磁能 electromagnetic energy
电磁耦合 electromagnetic coupling 电磁屏蔽 electromagnetic shielding 电磁屏蔽装置 electromagnetic screen 电磁骚扰 electromagnetic disturbance 电磁噪声 electromagnetic noise
电磁污染 electromagnetic pollution 电动势 electromotive force (e. m. f.) 电话机 telephone set
电话局容量 capacity of telephone exchange 电话型电路 telephone-type circuit 电话型信道 telephone-type channel 电离层 ionosphere
电离层波 ionosphere wave
电离层传播 ionosphere propagation 电离层反射 ionosphere reflection
电离层反射传播 ionosphere reflection propagation 电离层散射传播 ionosphere scatter propagation 电离层折射 ionosphere refraction 电离层吸收 ionosphere absorption 电离层骚扰 ionosphere disturbance 电流探头 current probe
电路交换 circuit switching 电屏蔽 electric shielding
电视电话 video-telephone, viewphone, visual telephone 电台磁方位 magnetic bearing of station 电台方位 bearing of station 电台航向 heading of station 电文编号 message numbering
电文队列 message queue 电文格式 message format 电文交换 message switching
电文交换网络 message switching network 电文结束代码 end-of-message code 电文路由选择 message routing
电小天线 electronically small antenna
电信管理网络 telecommunication management network (TMN) 电信会议 teleconferencing 电压变化 voltage change
电压变化持续时间 duration of a voltage change
电压变化的发生率 rate of occurrence of voltage changes 电压变化时间间隔 voltage change interval 电压波动 voltage fluctuation
电压波动波形 voltage fluctuation waveform
电压波动量 magnitude of a voltage fluctuation 电压不平衡 voltage imbalance, voltage unbalance 电压浪涌 voltage surge 电压骤降 voltage dip 电源 power supply
电源电压调整率 line regulation 电源抗扰性 mains immunity
电源持续工作能力 continuous operation ability of the power supply 电源去耦系数 mains decoupling factor 电源骚扰 mains disturbance 电子干扰 electronic jamming
电子工业协会 Electronic Industries Association (EIA) 电子系统工程 electronic system engineering 电子自动调谐 electronic automatic tuning 电子组装 electronic packaging
电阻温度计 resistance thermometer 跌落试验 fall down test
顶部加载垂直天线 top-loaded vertical antenna 定长编码 block code
定期频率预报 periodical frequency forecast 定时 clocking
定时超前 timing advance 定时电路 timing circuit
定时恢复（定时抽取） timing recovery (timing extration) 定时截尾试验 fixed time test 定时信号 timing signal
定数截尾试验 fixed failure number test 定向天线 directional antenna 定型试验 type test