移动通讯词汇(14)

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1、移动通讯词汇(14)判决电路decisioncircuit判决值decisionvalue抛物面天线parabolicantenna匹配matching匹配负载matchedload匹配负载电压matched-loadvoltage匹配网络matchingbling频道frequencychannel频分多址frequencydivisionmultipleaccess(FDMA)频偏frequencydeviation频漂frequencydrift频谱纯度spectrumpurity频谱节约spectrumsaving频谱利用有效增益

2、effectivegaininspectrumutilization频谱效率spectrumeffectiveness频率编码制frequency-codingsystem频率变化速率frequencyvariationrate频率变换电路frequency-conversioncircuit频率标准frequencystandard频率补偿frequencypensation频率不稳定度frequencyinstability（频率）带宽(frequency)bandent频率合成器frequencysynthesizer频率（或信道的

3、）指配allotmentofafrequency(orchannel)频率起伏frequencyfluctuation频率容差frequencytolerance频率调制frequencymodulation(FM)频率牵引frequencypulling频率微调frequencyfinetuning频率稳定度frequencystability频率误差frequencyerror频率响应特性frequency-responsecharacteristic频率校正突发（GSM的）frequencycorrectionburst(FB)频率

4、选择性frequencyselectivity频率选择性衰落（色散衰落）frequencyselectivefading频率预置器frequencypresettingdevice频率再利用卫星网络frequencyre-usesatelliteent频率准确度frequencyaccuracy频移frequencyshift频移键控frequencyshiftkeying(FSK)频域分析frequencydomainanalysis品质因数qualityfactor平方律检波square-laixer平衡码balancedcode平滑

5、调频tamedfrequencymodulation(TFM)平均包络检波averageenvelopedetection平均功率averagepoeantimebeteantimetofailures(MTTF)平均修复时间meantimetorepair(MTTR)平均值检波器averagevaluedetector平嵌天线flush-mountedantenna平衰落flatfading屏蔽回路的转移阻抗transferimpedance(ofascreenedcircuit)屏蔽室shieldedenclosure,screene

6、droom屏蔽系数shieldingfactor屏蔽装置screen破坏性试验destructivetestQ汽车点火干扰automotiveignitioninterference器件带宽bandplifier前置分频器prescalar抢先－恢复优先规则preemptive-resumepriorityscheme窃听interception勤务数位（内务数位）servicedigital勤务通信系统servicemunicationsystem勤务信道servicechannel倾角（卫星轨道的）inclination(ofasat

7、elliteorbit)清晰度definition,resolution,articulation清晰度试验articulationtest清音unvoicedsounds区位码zonebitcode趋肤效应skineffect去多路复接demultiplexing去活deactivation去加重de-emphasis去加重电路de-emphasiscircuit