去干擾器，解擾器 descrambler
全呼 general calling
全接入通信系統(tǒng) total access communication system (TACS)
全球網(wǎng) WWW, world wide web
全球定位－慣性導(dǎo)航系統(tǒng) GPS-inertial navigation system
全球定位系統(tǒng) GPS, global position system
全球星 global star
全球遇險(xiǎn)與安全系統(tǒng) global maritime distress and safety system
全向天線 omnidirectional antenna
全載波單邊帶發(fā)射 full carrier SSB emission
全載波發(fā)射 full carrier emission
群時(shí)延 group delay
R
擾碼器 scrambler
熱沖擊試驗(yàn) thermal shock test
人工電話 manual telephone
人工電源網(wǎng)絡(luò) artificial mains network
人工交換臺 manual switchboard
人工接入多信道無繩電話機(jī) manual access multiple channels cordless telephone
人工智能 artificial intelligence
人機(jī)對話 human computer interaction (HCI)
人為干擾 man-made interference
人為噪聲 man-made noise
任何器件在給定方向上的有效輻射功率
effective radiated power of any device in given direction
日本數(shù)字蜂窩系統(tǒng) Japan digital cellular system (JDC)
日出日落過渡期 sunrise and sunset transition
日曬試驗(yàn) solarizing test
容差分析 fault-tolerant analysis
容錯(cuò)技術(shù) fault-tolerant technique
冗余 n進(jìn)制信號 redundant n-ary signal
入口 gateway
入廠校驗(yàn) incoming inspection test
入口移動(dòng)無線局 gateway MSC (GMSC)
入網(wǎng)信道 access channel
軟件電臺 software station
軟判決譯碼 soft decision decoding
軟切換 soft handoff
瑞利衰落 Rayleigh fading
S
三端穩(wěn)壓器 three terminal regulator
三方業(yè)務(wù) three party service (3PTY)
三防（防潮、防霉、防煙霧） three proofing
三軍聯(lián)合戰(zhàn)術(shù)通信系統(tǒng) TRI-TAC system
傘狀天線 umbrella antenna
散射 scattering
散射通信 scatter communication
騷擾場強(qiáng) disturbance field strength
騷擾電壓 disturbance voltage
騷擾功率 disturbance power
騷擾限值 limit of disturbance
騷擾抑制 disturbance suppression
騷擾源的發(fā)射電平 emission level of a disturbance source
騷擾源的發(fā)射限量 emission limit of a disturbing source
沙塵試驗(yàn) sand-and-dust test
篩選 screening
閃變 flicker
閃變計(jì) flickermeter
閃變覺察門限 threshold of flicker perceptibility
閃變應(yīng)激性門限 threshold of flicker iritability
扇區(qū) sector area
扇區(qū)共享 sector sharing
扇區(qū)天線 fan antenna
上變頻器 up-converter
上升率 rate of rise
上行鏈路 uplink
上游故障指示 upstream failure indication
設(shè)備編碼容量 equipment coding capacity
設(shè)備識別登記器 equipment identity register (EIR)
設(shè)備阻抗 design impedance
設(shè)計(jì)故障 design fault
設(shè)計(jì)評審 design review
射極輸出器 emitter follower
射頻放大器 radio frequency amplifier
射頻功率放大器 radio frequency power amplifier
射頻加熱裝置 radio frequency heating apparatus
射頻干擾 radio frequency interface (RFI)
射頻信道 radio-frequency channel
射頻信號干擾比 RF signal to interface ratio
射頻噪聲 radio (frequency) noise
射手系統(tǒng)射線路徑傳輸損耗 ray path transmission loss
身體電容 body capacitance
深度空間（星際空間） deep space
深空通信 deep space communication
深水散射層 deep water scattering layer
神經(jīng)元網(wǎng)絡(luò) neural network
甚低頻無線電波傳輸 VLF radio wave propagation
甚高頻傳播 VHF propagation
聲表面波 surface acoustic wave (SAW)
聲表面濾波器 SAW filter
聲表面波器件 surface acoustic wave (SAW) device
聲碼器 vocoder
聲納 sound navigation and ranging (SONAR)
聲頻信號 audio signal
聲壓級 sound pressure level
剩余可懂度 residential intelligibility
剩余頻偏 residential frequency deviation
剩余調(diào)幅 residential amplitude modulation
剩余調(diào)頻 residential frequency modulation
失步系數(shù) lost synchronization coefficient
失鎖頻率 losing lock frequency, unlocked frequency