判决电路 decision circuit 判决值 decision value 抛物面天线 parabolic antenna 匹配 matching 匹配负载 matched load 匹配负载电压 matched-load voltage 匹配网络 matching network 偏置 offset 偏置四相相移键控 offset QPSK 片状元件 chip component 片状元件封装 sealing of chip component 频率偏置 frequency offset 频带 frequency band 频带划分 band allocation 频带置乱 band scrambling 频道 frequency channel 频分多址 frequency division multiple access (FDMA) 频偏 frequency deviation 频漂 frequency drift 频谱纯度 spectrum purity 频谱节约 spectrum saving 频谱利用有效增益 effective gain in spectrum utilization 频谱效率 spectrum effectiveness 频率编码制 frequency-coding system 频率变化速率 frequency variation rate 频率变换电路 frequency-conversion circuit 频率标准 frequency standard 频率补偿 frequency compensation 频率不稳定度 frequency instability (频率)带宽 (frequency) bandwidth 频率分割 frequency division 频率分集 frequency diversity 频率管理 frequency government 频率合成器 frequency synthesizer 频率(或信道的)指配 allotment of a frequency (or channel) 频率起伏 frequency fluctuation 频率容差 frequency tolerance 频率调制 frequency modulation (FM) 频率牵引 frequency pulling 频率微调 frequency fine tuning 频率稳定度 frequency stability 频率误差 frequency error 频率响应特性 frequency-response characteristic 频率校正突发(GSM的) frequency correction burst (FB) 频率选择性 frequency selectivity 频率选择性衰落(色散衰落) frequency selective fading 频率预置器 frequency presetting device 频率再利用卫星网络 frequency re-use satellite network 频率再用 frequency reuse 频率指配 frequency assignment 频率准确度 frequency accuracy 频移 frequency shift 频移键控 frequency shift keying (FSK) 频域分析 frequency domain analysis 品质因数 quality factor 平方律检波 square-law detection 平衡/不平衡变换器 balun 平衡混频器 balanced mixer 平衡码 balanced code 平滑调频 tamed frequency modulation (TFM) 平均包络检波 average envelope detection 平均功率 average power 平均故障间隔时间 mean time between failures (MTBF) 平均无故障时间 mean time to failures (MTTF) 平均修复时间 mean time to repair (MTTR) 平均值检波器 average value detector 平嵌天线 flush-mounted antenna 平衰落 flat fading 屏蔽回路的转移阻抗 transfer impedance (of a screened circuit) 屏蔽室 shielded enclosure, screened room 屏蔽系数 shielding factor 屏蔽装置 screen 破坏性试验 destructive test Q 汽车点火干扰 automotive ignition interference 器件带宽 bandwidth of a device 签署响应 signed response (SRES) 前导码 lead code 前后比 front-to-back ratio 前向差错控制 forward error control (FEC) 前向话音信道 forward voice channel (FVC) 前向纠错 forward error correction (FEC) 前向控制信道 forward control channel (FOCC) 前向信号 forward signal 前置放大器 preamplifier 前置分频器 prescalar 抢先-恢复优先规则 preemptive-resume priority scheme 窃听 interception 勤务数位(内务数位) service digital 勤务通信系统 service communication system 勤务信道 service channel 倾角(卫星轨道的) inclination (of a satellite orbit) 清晰度 definition, resolution, articulation 清晰度试验 articulation test 清音 unvoiced sounds 区位码 zone bit code 趋肤效应 skin effect 去多路复接 demultiplexing 去活 deactivation 去加重 de-emphasis 去加重电路 de-emphasis circuit
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