英譯漢電阻resistance移位寄存器shiftregister技術(shù)說明書datasheet二進(jìn)制binary時(shí)序圖timingdiagram偏置電壓漂移Biasvoltagedrift可預(yù)置的presetable三極管audion二極管diode頻分多址FPMA服務(wù)器server下降沿trailingedge異步synchronous客戶端client蜂窩網(wǎng)cellweb子載波subfiled附件appendix硬件hardware電容capacitance數(shù)據(jù)流datastream防火墻firewall協(xié)議protocol信息安全informationsafe專業(yè)領(lǐng)域professionalfield人工智能artificialintelligence軟件平臺(tái)softwareplatform寬帶碼分多址WCDMA無限沖擊響應(yīng)濾波器IIR視頻會(huì)議videoconferencing信噪比signal-to-noiseratio互信息mutualinformation串行并出serial-inparallel—out微帶天線microstripantenna外設(shè)peripheral壓控振蕩器voltagecontrolledoscillator傳感器陣列sensorarrayWCDMA現(xiàn)場可編程門陣列感抗FPGA數(shù)字信號(hào)處理DSPDigitalSignalProcessing感抗

inductivereactance英譯漢Considerarequirementforanamplifierhavingavoltagegainof10at50kHzdrivingintoa10kWload.3考慮對一個(gè)50kHz頻率時(shí)電壓增益為10的放大器驅(qū)動(dòng)10kW負(fù)載時(shí)的要求Manyopampspecificationsincludeonlytypicalvaluesforoffsetvoltagedrift;thismaywellbeintheorderof5mV/C,withanunquotedmaximumforanydeviceof30mV/C.11許多運(yùn)放技術(shù)指標(biāo)僅僅給出補(bǔ)償電壓偏移的典型值，這很可能會(huì)在5mV/C的數(shù)量級(jí)，而未給出任何器件可以達(dá)到的最大值30mV/C。Itissimplyasetofflip-flops(usuallyDlatchesorRSflip-flops)connectedtogethersothattheoutputofonebecomestheinputofthenext,andsooninseries.1它就是一組觸發(fā)器（通常是D鎖存器或RS觸發(fā)器）聯(lián)在一起，使其中一個(gè)觸發(fā)器的輸出成為下一個(gè)的輸入，依此形成一串。Ontheleadingedgeofthenextclockpulse,thecontentsofthefirstflip-flopisstoredinthesecondflip-flop,andthesignalwhichispresentattheDATAinputisstoredinthefirstflip-flop,etc.在下一個(gè)時(shí)鐘脈沖的前沿，第一個(gè)觸發(fā)器的內(nèi)容被存放到第二個(gè)觸發(fā)器中，而在數(shù)據(jù)輸入端的信號(hào)則存放在第一個(gè)觸發(fā)器中，依此類推。Roughlyspeaking,thetransistorcanbelikenedtoanelectronicallycontrolledvalvewherebyenergyappliedtooneconnectionofthevalveenablesenergytoflowbetweentwootherconnections.粗略地說，晶體管好似一種電子控制閥，由此加在閥一端的能量可以使能量在另外兩個(gè)連接端之間流動(dòng)。ItiscalledN-channel,becausethegatevoltageinducesanN-channelwithinthesubstrate,enablingcurrenttoflowbetweentheN-regions.因?yàn)闁艠O電壓誘導(dǎo)基底上的N通道，使電流能在兩個(gè)N區(qū)域之間流動(dòng)。Thistestingdemonstratesthatthedevicewillfunctioncorrectlyoverallextremesoftheprocess,voltageandtemperature.這一測試表明器件將在所有極端的過程、電壓、溫度下正常工作。Conversely,unlessthenoiseexceedsacertainthreshold,theinformationcontainedindigitalsignalswillremainintact.相反，只要噪聲不超過一定的閾值，數(shù)字信號(hào)中的信息是不會(huì)丟失的。EachmobilereceivesandtransmitsinformationfromandtothebasestationviatwoRFchannelscalledthe“forwardchannel”or“downlink”andthe“reversechannel”or“uplink,”respectively.每個(gè)移動(dòng)單元通過兩個(gè)射頻信道接收來自基站的信息并向基站發(fā)射信息，這兩個(gè)信道分別稱為前向信道或下行鏈路，以及逆向信道或上行鏈路。Samplingtheoremstatesthatthesamplingfrequencymustbegreaterfromtwicethebandwidthofthesignal采樣定理指出采樣頻率必須大于信號(hào)帶寬的兩倍。漢譯英1.在溫度，時(shí)間和供給電壓下的閉環(huán)增益的精確性和穩(wěn)定性。Closedloopgainaccuracy,stabilitywithtemperature,timeandsupplyvoltage.2.電源要求，電壓和負(fù)載阻抗，功率消耗。Powersupplyrequirements,sourceandloadimpedances,powerdissipation.3.輸入誤差電壓和偏置電流，輸入輸出電阻，隨著時(shí)間和溫度的漂移。Inputerrorvoltagesandbiascurrents.Inputandoutputresistance,driftwithtimeandtemperature.4.頻率響應(yīng)，相位偏移，輸出變化范圍，瞬態(tài)響應(yīng)，電壓轉(zhuǎn)換速率，頻率穩(wěn)定性，電容性負(fù)載驅(qū)動(dòng)，過載恢復(fù)。Frequencyresponse,phaseshift,outputswing,transientresponse,slewrate,frequencystability,capacitiveloaddriving,overloadrecovery.5.線性，失真和噪聲。Linearity,distortionandnoise.6.輸入，輸出或電源保護(hù)要求，輸入電壓范圍，共模抑制。Input,outputorsupplyprotectionrequired.Inputvoltagerange,common-moderejection.7.外部補(bǔ)償調(diào)整要求。Externaloffsettrimmingrequirement.不是所有的指標(biāo)項(xiàng)都是有關(guān)的，但要記住最初就考慮它們會(huì)更好，而不要被迫返工。Notallofthesetermswillberelevant,butitisusefultorememberthatitisbettertoconsidertheminitiallyratherthantobeforcedintoretrospectivemodifications.漢譯英所有參數(shù)可以大范圍變化Allparametersaresubjecttowidevariations不要忽略這樣一個(gè)事實(shí)。有多少次是在用典型值設(shè)計(jì)好電路后發(fā)現(xiàn)（該電路）只是因?yàn)槭褂玫钠骷坏湫投荒芄ぷ鳎窟@就提出一個(gè)棘手的問題：在設(shè)計(jì)中何時(shí)應(yīng)該使用典型值，何時(shí)應(yīng)該使用最不利值？這是經(jīng)驗(yàn)豐富的設(shè)計(jì)人員也必須進(jìn)行的判斷。顯然，如果某些性能要求是強(qiáng)制性的，則一定要用最不利情況下的數(shù)值。然而在許多情況下某一規(guī)定性能是否可以取得將在易實(shí)現(xiàn)性，重要性，經(jīng)濟(jì)性之間取得折中。Neverforgetthisfact.Howmanytimeshasacircuitbeendesignedusingtypicalvalues,onlytofindthatthecircuitdoesnotworkbecausethedeviceusedisnottypical?Theabovestatementthusposesatrickyquestion:whenshouldtypicalvaluesandwhenshouldworst-casevaluesbeusedinthedesign?Thisiswherethejudgmentoftheexperienceddesignermustbebroughttobear.Clearly,ifcertainperformance