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1、移動(dòng)通訊詞匯(14)判決電路decisioncircuit判決值decisionvalue拋物面天線parabolicantenna匹配matching匹配負(fù)載matchedload匹配負(fù)載電壓matched-loadvoltage匹配網(wǎng)絡(luò)matchingbling頻道frequencychannel頻分多址frequencydivisionmultipleaccess(FDMA)頻偏frequencydeviation頻漂frequencydrift頻譜純度spectrumpurity頻譜節(jié)約spectrumsaving頻譜利用有效增益
2、effectivegaininspectrumutilization頻譜效率spectrumeffectiveness頻率編碼制frequency-codingsystem頻率變化速率frequencyvariationrate頻率變換電路frequency-conversioncircuit頻率標(biāo)準(zhǔn)frequencystandard頻率補(bǔ)償frequencypensation頻率不穩(wěn)定度f(wàn)requencyinstability(頻率)帶寬(frequency)bandent頻率合成器frequencysynthesizer頻率(或信道的
3、)指配allotmentofafrequency(orchannel)頻率起伏frequencyfluctuation頻率容差frequencytolerance頻率調(diào)制frequencymodulation(FM)頻率牽引frequencypulling頻率微調(diào)frequencyfinetuning頻率穩(wěn)定度f(wàn)requencystability頻率誤差frequencyerror頻率響應(yīng)特性frequency-responsecharacteristic頻率校正突發(fā)(GSM的)frequencycorrectionburst(FB)頻率
4、選擇性frequencyselectivity頻率選擇性衰落(色散衰落)frequencyselectivefading頻率預(yù)置器frequencypresettingdevice頻率再利用衛(wèi)星網(wǎng)絡(luò)frequencyre-usesatelliteent頻率準(zhǔn)確度f(wàn)requencyaccuracy頻移frequencyshift頻移鍵控frequencyshiftkeying(FSK)頻域分析frequencydomainanalysis品質(zhì)因數(shù)qualityfactor平方律檢波square-laixer平衡碼balancedcode平滑
5、調(diào)頻tamedfrequencymodulation(TFM)平均包絡(luò)檢波averageenvelopedetection平均功率averagepoeantimebeteantimetofailures(MTTF)平均修復(fù)時(shí)間meantimetorepair(MTTR)平均值檢波器averagevaluedetector平嵌天線flush-mountedantenna平衰落flatfading屏蔽回路的轉(zhuǎn)移阻抗transferimpedance(ofascreenedcircuit)屏蔽室shieldedenclosure,screene
6、droom屏蔽系數(shù)shieldingfactor屏蔽裝置screen破壞性試驗(yàn)destructivetestQ汽車點(diǎn)火干擾automotiveignitioninterference器件帶寬bandplifier前置分頻器prescalar搶先-恢復(fù)優(yōu)先規(guī)則preemptive-resumepriorityscheme竊聽(tīng)interception勤務(wù)數(shù)位(內(nèi)務(wù)數(shù)位)servicedigital勤務(wù)通信系統(tǒng)servicemunicationsystem勤務(wù)信道servicechannel傾角(衛(wèi)星軌道的)inclination(ofasat
7、elliteorbit)清晰度definition,resolution,articulation清晰度試驗(yàn)articulationtest清音unvoicedsounds區(qū)位碼zonebitcode趨膚效應(yīng)skineffect去多路復(fù)接demultiplexing去活deactivation去加重de-emphasis去加重電路de-emphasiscircuit