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UnitⅢElectronicInstrumentandProductsLesson12TheOscilloscope
UnitⅢElectronicInstrumentNewWordsvirtual['v?:t?u?l]adj.(計(jì)算機(jī))虛擬的;hardware['hɑ:dwε?]n.計(jì)算機(jī)硬件transform[tr?ns‘f?:m]v.改變;改觀;變換transmit[tr?nz'mit]v.傳輸;傳送;發(fā)送interpreter[in't?:prit?]n.解釋者;翻譯器NewWordsconverter[k?n‘v?:t?]n.變換器;換流器,變壓器,變頻器implementation[,implimen‘tei??n]n.成就;貫徹;安裝啟用modular['m?djul?]adj.模塊化的monitor[‘m?nit?]n.顯示屏,屏幕;
[計(jì)]顯示器;監(jiān)測(cè)儀;
vi.監(jiān)視converter[k?n‘v?:t?]n.synchronization[,si?kr?nai‘zei??n]n.同一時(shí)刻;同步;bus[b?s]n.[計(jì)](電腦的)總線Ethernet['i:θ?,net]n.以太網(wǎng)latency['leit?nsi]n.潛伏;潛在因素integrate['intiɡreit]v.使一體化;使集成instrumentation[,instrumen'tei??n]n.儀器synchronization[,si?kr?nai‘zeNotes1.Itiswidelyusedin
designwork,trouble-shootingandsigna1monitoring,manufacturingandproduction-linetesting,andmanyotherapplicationswheretheobservationofanelectricalwaveformisdesired.
它被廣泛地用于電子設(shè)計(jì)、故障探測(cè)、信號(hào)監(jiān)測(cè)、生產(chǎn)制造、流水線檢測(cè)及許多需要觀察電子信號(hào)波形的應(yīng)用場(chǎng)合。“where”此處不是指地點(diǎn),而是指“領(lǐng)域”或“應(yīng)用場(chǎng)合”。Notes2.Oscilloscopesrangefromthebasic,orgeneral-purposetypes,tothespecial-purposetype.
示波器包括從通用示波器到專用示波器的多種類型?!皉angefrom”意為“從...到...變動(dòng)”或“從...到...范圍”例如:
Thechildren'sagesrangefrom8to15.
這些孩子們的年齡在8歲到15歲之間。2.Oscilloscopesrangefromthe3.Thegeneralpurposeoscilloscopeissuitablefor
anyoftheusualapplicationsinservicingcommunications,scientific,orindustrialworkwherethefrequencyofthesignaltobeobserveddoesnotgreatlyexceed500kHz.
通用示波器適用于通信、科學(xué)研究、工業(yè)生產(chǎn)等各個(gè)領(lǐng)域,用來觀察頻率不超過500kHz以上的電子信號(hào)?!癷n”意為“在……方面”或“在……領(lǐng)域”3.Thegeneralpurposeoscillos4.Horizontalsweepisatermreferringtotheactionofthehorizontalsystemcausingtheglowingdottomoveacrossthescreen.
水平掃描是這樣的術(shù)語,它指水平系統(tǒng)使光點(diǎn)沿水平方向掃過屏幕?!皌erm”意為“術(shù)語”,而“referring”是動(dòng)詞現(xiàn)在分詞,作后置定語。4.Horizontalsweepisatermr5.Thetriggerisnecessarytostabilizearepeatingsignal.Itensuresthatthesweepbeginsatthesamepointofarepeatingsignal,resultinginaclearpictureasshowninFigure3-4(b).
穩(wěn)定重復(fù)顯示的波形需要觸發(fā)。它保證掃描在同一點(diǎn)開始重復(fù)顯示波形,使波形如圖3-4(b)所示清晰地顯示?!皉esultingin……”是動(dòng)詞現(xiàn)在分詞作為伴隨狀語?!皉esultingin”意為“導(dǎo)致”,表結(jié)果。例如:
SometimesIpay,sometimeshepaysitseemstoaverageout(ieresultinafairbalance)intheend.
有時(shí)我付錢,有時(shí)他付錢--到頭來似乎兩相抵銷。5.ThetriggerisnecessarytoTranslationofTextsLesson12TheOscilloscopeOneofthemostimportantelectronictestandmeasuringinstrumentsistheoscilloscope.Itiswidelyusedin
designwork,trouble-shootingandsignalmonitoring,manufacturingandproduction-linetesting,andmanyotherapplicationswheretheobservationofanelectricalwaveformisdesired.TranslationofTextsLesson12第12課示波器示波器是最重要的電子測(cè)量?jī)x器之一。它被廣泛地用于電子設(shè)計(jì)、故障探測(cè)、信號(hào)監(jiān)測(cè)、生產(chǎn)制造、流水線檢測(cè)及許多需要觀察電子信號(hào)波形的應(yīng)用場(chǎng)合。第12課示波器Oscilloscopesrangefromthebasic,orgeneral-purposetypes,tothespecial-purposetypes.Thegeneralpurposeoscilloscopeissuitablefor
anyoftheusualapplicationsinservicingcommunications,scientific,orindustrialworkwherethefrequencyofthesignaltobeobserveddoesnotgreatlyexceed500kHz.Oscilloscopesrange
示波器的類型包括通用示波器和專用示波器。通用示波器適用于通信、科學(xué)研究、工業(yè)生產(chǎn)等各個(gè)領(lǐng)域,用來觀察頻率不超過500kHz以上的電子信號(hào)。示波器的類型包括通用示波器和專用示波器。Fig.12-1isasimpleblockdiagramthatshowshowananalogoscilloscopedisplaysameasuredsignal.Whenyouconnectanoscilloscopeprobetoacircuit,thevoltagesignaltravelsthroughtheprobetotheverticalsystemoftheoscilloscope.Fig.12-1isasimpl
圖12-1是一個(gè)簡(jiǎn)單的方框圖,表示了模擬示波器是如何顯示被測(cè)信號(hào)的。當(dāng)你把示波器探頭連上電路,電壓信號(hào)則通過探頭進(jìn)入示波器的垂直系統(tǒng)。圖12-1是一個(gè)簡(jiǎn)單的方框圖,表示了模擬Thesignaltravelsdirectlytotheverticaldeflectionplatesofthecathoderaytube(CRT).Voltageappliedtothesedeflectionplatescausesaglowingdottomove.(AnelectronbeamhittingphosphorinsidetheCRTcreatestheglowingdot.)Apositivevoltagecausesthedottomoveupwhileanegativevoltagecausesthedottomovedown.Dependingonhowyousettheverticalscale(volts/divcontrol),anattenuatorreducesthesignalvoltageoranamplifierincreasesthesignalvoltage.Thesignaltravelsd
信號(hào)直接進(jìn)入陰極射線管(CRT)的垂直偏轉(zhuǎn)板。加在這個(gè)偏轉(zhuǎn)板上的電壓使光點(diǎn)運(yùn)動(dòng)。(電子束撞擊CRT內(nèi)的熒光屏上產(chǎn)生光點(diǎn))。正電壓使光點(diǎn)向上運(yùn)動(dòng),而負(fù)電壓使光點(diǎn)向下運(yùn)動(dòng)。衰減器減小顯示的信號(hào)電壓或放大器增大顯示的信號(hào)電壓,取決于你如何調(diào)節(jié)垂直偏轉(zhuǎn)旋鈕(volts/div控制旋鈕)。信號(hào)直接進(jìn)入陰極射線管(CRT)的垂直偏Thesignalalsotravelstothetriggersystemtostartortriggera"horizontalsweep".Horizontalsweepisatermreferringtotheactionofthehorizontalsystemcausingtheglowingdottomoveacrossthescreen.Triggeringthehorizontalsystemcausesthehorizontaltimebasetomovetheglowingdotacrossthescreenfromlefttorightwithinaspecifictimeinterval.Thesignalalsotrav
信號(hào)還進(jìn)入觸發(fā)系統(tǒng)開始或觸發(fā)“水平掃描”。水平掃描是指水平系統(tǒng)使光點(diǎn)沿水平方向掃過屏幕。對(duì)水平系統(tǒng)的觸發(fā)使水平時(shí)基電路在專門的時(shí)間間隔內(nèi)讓光點(diǎn)從左至右掃過屏幕。信號(hào)還進(jìn)入觸發(fā)系統(tǒng)開始或觸發(fā)“水平掃描”Thetriggerisnecessarytostabilizearepeatingsignal.Itensuresthatthesweepbeginsatthesamepointofarepeatingsignal,resultinginaclearpictureasshowninFigure12-2(b).Thetriggerisnece
穩(wěn)定重復(fù)顯示的波形需要觸發(fā)系統(tǒng)。它保證掃描在同一點(diǎn)開始重復(fù)顯示波形,使波形如圖12-2(b)所示清晰地顯示。穩(wěn)定重復(fù)顯示的波形需要觸發(fā)系統(tǒng)。它保證掃Inconclusion,touseananalogoscilloscope,youneedtoadjustthreebasicsettingstoaccommodateanincomingsignal:Theattenuationoramplificationofthesignal.Usethevolts/divcontroltoadjusttheamplitudeofthesignalbeforeitisappliedtotheverticaldeflectionplates.Inconclusion,tous
總之,使用模擬示波器時(shí),為了完全顯示連續(xù)出現(xiàn)的信號(hào)波形,需要調(diào)節(jié)三個(gè)基本按鍵:衰減或增大信號(hào):使用“volts/div”控制鍵,以便在信號(hào)還未加到垂直偏轉(zhuǎn)板之前調(diào)節(jié)信號(hào)的振幅。總之,使用模擬示波器時(shí),為了完全顯示連續(xù)Thetimebase.Usethesec/divcontroltosettheamountoftimeperdivisionrepresentedhorizontallyacrossthescreen.Thetriggeringoftheoscilloscope.Usethetriggerleveltostabilizearepeatingsignal.Thetimebase.Usethe
時(shí)基:使用“sec/div”控制鍵,設(shè)置屏幕水平方向每格所代表的時(shí)間長(zhǎng)短。示波器的觸發(fā):使用“觸發(fā)電平”控制鍵穩(wěn)定重復(fù)顯示的信號(hào)。時(shí)基:使用“sec/div”控制鍵,設(shè)置屏幕水Also,adjustingthefocusandintensitycontrolsenablesyoutocreateasharp,visibledisplay.Fig12-3isdiagramofoscilloscope’spanel.Also,adjustingthe
還可以調(diào)節(jié)聚焦和亮度控制旋鈕,以保證顯示的波形尖銳和可以看見。圖12-3為示波器的面板圖。還可以調(diào)節(jié)聚焦和亮度控制旋鈕,以保證顯示Exercises1.WriteT(True)orF(False)besidethefollowingstatementsaboutthetext.Exercisesa.Thegeneralpurposeoscilloscopeissuitablefor
special-purposeapplications.b.Thegeneralpurposeoscilloscopeisusedinservicingcommunications,scientific,orindustrialworkwherethefrequencyofthesignaltobeobserveddoesnotgreatlyexceed1000kHz.a.Thegeneralpurposeoscilloc.Thesignaltravelsdirectlytotheverticaldeflectionplatesofthecathoderaytube(CRT).d.Voltageappliedtothesedeflectionplatescausesaglowingdottoless.c.Thesignaltravelsdirectlye.Apositivevoltagecausesthedottomovedownwhileanegativevoltagecausesthedottomoveup.e.Apositivevoltagecausest2.Fillinthemissingwordsaccordingtothetext.2.Fillinthemissingwordsa.Oneofthemostimportant___________and_________istheoscilloscope.a.Oneofthemostimportant_b.Itiswidelyusedin
designwork,________and________,manufacturingandproduction-linetesting,andmanyotherapplicationswheretheobservationofanelectrical_________isdesired.b.Itiswidelyusedin
designc.Oscilloscopesrangefromthe__________,tothespecial-purposetypes.c.Oscilloscopesrangefromthd.Whenyouconnectanoscilloscopeprobetoacircuit,the__________travelsthroughtheprobetotheverticalsystemofthe____________.d.Whenyouconnectanoscilloe.Anelectronbeamhittingphosphorinsidethe_________createstheglowingdot.e.Anelectronbeamhittingphf.Thesignalalsotravelstothetriggersystemtostartortriggera"__________".f.Thesignalalsotravelsto3.TranslatethefollowingparagraphintoChinese.
3.TranslatethefollowingparInconclusion,touseananalogoscilloscope,youneedtoadjustthreebasicsettingstoaccommodateanincomingsignal:Theattenuationoramplificationofthesignal.Usethevolts/divcontroltoadjusttheamplitudeofthesignalbeforeitisappliedtotheverticaldeflectionplates.Thetimebase.Usethesec/divcontroltosettheamountoftimeperdivisionrepresentedhorizontallyacrossthescreen.Inconclusion,touThetriggeringoftheoscilloscope.Usethetriggerleveltostabilizearepeatingsignal.Also,adjustingthefocusandintensitycontrolsenablesyoutocreateasharp,visibledisplay.Fig15-3isdiagramofoscilloscope’spanel.ThetriggeringoftheoEndEndUnitⅢElectronicInstrumentandProductsLesson12TheOscilloscope
UnitⅢElectronicInstrumentNewWordsvirtual['v?:t?u?l]adj.(計(jì)算機(jī))虛擬的;hardware['hɑ:dwε?]n.計(jì)算機(jī)硬件transform[tr?ns‘f?:m]v.改變;改觀;變換transmit[tr?nz'mit]v.傳輸;傳送;發(fā)送interpreter[in't?:prit?]n.解釋者;翻譯器NewWordsconverter[k?n‘v?:t?]n.變換器;換流器,變壓器,變頻器implementation[,implimen‘tei??n]n.成就;貫徹;安裝啟用modular['m?djul?]adj.模塊化的monitor[‘m?nit?]n.顯示屏,屏幕;
[計(jì)]顯示器;監(jiān)測(cè)儀;
vi.監(jiān)視converter[k?n‘v?:t?]n.synchronization[,si?kr?nai‘zei??n]n.同一時(shí)刻;同步;bus[b?s]n.[計(jì)](電腦的)總線Ethernet['i:θ?,net]n.以太網(wǎng)latency['leit?nsi]n.潛伏;潛在因素integrate['intiɡreit]v.使一體化;使集成instrumentation[,instrumen'tei??n]n.儀器synchronization[,si?kr?nai‘zeNotes1.Itiswidelyusedin
designwork,trouble-shootingandsigna1monitoring,manufacturingandproduction-linetesting,andmanyotherapplicationswheretheobservationofanelectricalwaveformisdesired.
它被廣泛地用于電子設(shè)計(jì)、故障探測(cè)、信號(hào)監(jiān)測(cè)、生產(chǎn)制造、流水線檢測(cè)及許多需要觀察電子信號(hào)波形的應(yīng)用場(chǎng)合。“where”此處不是指地點(diǎn),而是指“領(lǐng)域”或“應(yīng)用場(chǎng)合”。Notes2.Oscilloscopesrangefromthebasic,orgeneral-purposetypes,tothespecial-purposetype.
示波器包括從通用示波器到專用示波器的多種類型。“rangefrom”意為“從...到...變動(dòng)”或“從...到...范圍”例如:
Thechildren'sagesrangefrom8to15.
這些孩子們的年齡在8歲到15歲之間。2.Oscilloscopesrangefromthe3.Thegeneralpurposeoscilloscopeissuitablefor
anyoftheusualapplicationsinservicingcommunications,scientific,orindustrialworkwherethefrequencyofthesignaltobeobserveddoesnotgreatlyexceed500kHz.
通用示波器適用于通信、科學(xué)研究、工業(yè)生產(chǎn)等各個(gè)領(lǐng)域,用來觀察頻率不超過500kHz以上的電子信號(hào)?!癷n”意為“在……方面”或“在……領(lǐng)域”3.Thegeneralpurposeoscillos4.Horizontalsweepisatermreferringtotheactionofthehorizontalsystemcausingtheglowingdottomoveacrossthescreen.
水平掃描是這樣的術(shù)語,它指水平系統(tǒng)使光點(diǎn)沿水平方向掃過屏幕。“term”意為“術(shù)語”,而“referring”是動(dòng)詞現(xiàn)在分詞,作后置定語。4.Horizontalsweepisatermr5.Thetriggerisnecessarytostabilizearepeatingsignal.Itensuresthatthesweepbeginsatthesamepointofarepeatingsignal,resultinginaclearpictureasshowninFigure3-4(b).
穩(wěn)定重復(fù)顯示的波形需要觸發(fā)。它保證掃描在同一點(diǎn)開始重復(fù)顯示波形,使波形如圖3-4(b)所示清晰地顯示?!皉esultingin……”是動(dòng)詞現(xiàn)在分詞作為伴隨狀語。“resultingin”意為“導(dǎo)致”,表結(jié)果。例如:
SometimesIpay,sometimeshepaysitseemstoaverageout(ieresultinafairbalance)intheend.
有時(shí)我付錢,有時(shí)他付錢--到頭來似乎兩相抵銷。5.ThetriggerisnecessarytoTranslationofTextsLesson12TheOscilloscopeOneofthemostimportantelectronictestandmeasuringinstrumentsistheoscilloscope.Itiswidelyusedin
designwork,trouble-shootingandsignalmonitoring,manufacturingandproduction-linetesting,andmanyotherapplicationswheretheobservationofanelectricalwaveformisdesired.TranslationofTextsLesson12第12課示波器示波器是最重要的電子測(cè)量?jī)x器之一。它被廣泛地用于電子設(shè)計(jì)、故障探測(cè)、信號(hào)監(jiān)測(cè)、生產(chǎn)制造、流水線檢測(cè)及許多需要觀察電子信號(hào)波形的應(yīng)用場(chǎng)合。第12課示波器Oscilloscopesrangefromthebasic,orgeneral-purposetypes,tothespecial-purposetypes.Thegeneralpurposeoscilloscopeissuitablefor
anyoftheusualapplicationsinservicingcommunications,scientific,orindustrialworkwherethefrequencyofthesignaltobeobserveddoesnotgreatlyexceed500kHz.Oscilloscopesrange
示波器的類型包括通用示波器和專用示波器。通用示波器適用于通信、科學(xué)研究、工業(yè)生產(chǎn)等各個(gè)領(lǐng)域,用來觀察頻率不超過500kHz以上的電子信號(hào)。示波器的類型包括通用示波器和專用示波器。Fig.12-1isasimpleblockdiagramthatshowshowananalogoscilloscopedisplaysameasuredsignal.Whenyouconnectanoscilloscopeprobetoacircuit,thevoltagesignaltravelsthroughtheprobetotheverticalsystemoftheoscilloscope.Fig.12-1isasimpl
圖12-1是一個(gè)簡(jiǎn)單的方框圖,表示了模擬示波器是如何顯示被測(cè)信號(hào)的。當(dāng)你把示波器探頭連上電路,電壓信號(hào)則通過探頭進(jìn)入示波器的垂直系統(tǒng)。圖12-1是一個(gè)簡(jiǎn)單的方框圖,表示了模擬Thesignaltravelsdirectlytotheverticaldeflectionplatesofthecathoderaytube(CRT).Voltageappliedtothesedeflectionplatescausesaglowingdottomove.(AnelectronbeamhittingphosphorinsidetheCRTcreatestheglowingdot.)Apositivevoltagecausesthedottomoveupwhileanegativevoltagecausesthedottomovedown.Dependingonhowyousettheverticalscale(volts/divcontrol),anattenuatorreducesthesignalvoltageoranamplifierincreasesthesignalvoltage.Thesignaltravelsd
信號(hào)直接進(jìn)入陰極射線管(CRT)的垂直偏轉(zhuǎn)板。加在這個(gè)偏轉(zhuǎn)板上的電壓使光點(diǎn)運(yùn)動(dòng)。(電子束撞擊CRT內(nèi)的熒光屏上產(chǎn)生光點(diǎn))。正電壓使光點(diǎn)向上運(yùn)動(dòng),而負(fù)電壓使光點(diǎn)向下運(yùn)動(dòng)。衰減器減小顯示的信號(hào)電壓或放大器增大顯示的信號(hào)電壓,取決于你如何調(diào)節(jié)垂直偏轉(zhuǎn)旋鈕(volts/div控制旋鈕)。信號(hào)直接進(jìn)入陰極射線管(CRT)的垂直偏Thesignalalsotravelstothetriggersystemtostartortriggera"horizontalsweep".Horizontalsweepisatermreferringtotheactionofthehorizontalsystemcausingtheglowingdottomoveacrossthescreen.Triggeringthehorizontalsystemcausesthehorizontaltimebasetomovetheglowingdotacrossthescreenfromlefttorightwithinaspecifictimeinterval.Thesignalalsotrav
信號(hào)還進(jìn)入觸發(fā)系統(tǒng)開始或觸發(fā)“水平掃描”。水平掃描是指水平系統(tǒng)使光點(diǎn)沿水平方向掃過屏幕。對(duì)水平系統(tǒng)的觸發(fā)使水平時(shí)基電路在專門的時(shí)間間隔內(nèi)讓光點(diǎn)從左至右掃過屏幕。信號(hào)還進(jìn)入觸發(fā)系統(tǒng)開始或觸發(fā)“水平掃描”Thetriggerisnecessarytostabilizearepeatingsignal.Itensuresthatthesweepbeginsatthesamepointofarepeatingsignal,resultinginaclearpictureasshowninFigure12-2(b).Thetriggerisnece
穩(wěn)定重復(fù)顯示的波形需要觸發(fā)系統(tǒng)。它保證掃描在同一點(diǎn)開始重復(fù)顯示波形,使波形如圖12-2(b)所示清晰地顯示。穩(wěn)定重復(fù)顯示的波形需要觸發(fā)系統(tǒng)。它保證掃Inconclusion,touseananalogoscilloscope,youneedtoadjustthreebasicsettingstoaccommodateanincomingsignal:Theattenuationoramplificationofthesignal.Usethevolts/divcontroltoadjusttheamplitudeofthesignalbeforeitisappliedtotheverticaldeflectionplates.Inconclusion,tous
總之,使用模擬示波器時(shí),為了完全顯示連續(xù)出現(xiàn)的信號(hào)波形,需要調(diào)節(jié)三個(gè)基本按鍵:衰減或增大信號(hào):使用“volts/div”控制鍵,以便在信號(hào)還未加到垂直偏轉(zhuǎn)板之前調(diào)節(jié)信號(hào)的振幅??傊褂媚M示波器時(shí),為了完全顯示連續(xù)Thetimebase.Usethesec/divcontroltosettheamountoftimeperdivisionrepresentedhorizontallyacrossthescreen.Thetriggeringoftheoscilloscope.Usethetriggerleveltostabilizearepeatingsignal.Thetimebase.Usethe
時(shí)基:使用“sec/div”控制鍵,設(shè)置屏幕水平方向每格所代表的時(shí)間長(zhǎng)短。示波器的觸發(fā):使用“觸發(fā)電平”控制鍵穩(wěn)定重復(fù)顯示的信號(hào)。時(shí)基:使用“sec/div”控制鍵,設(shè)置屏幕水Also,adjustingthefocusandintensitycontrolsenablesyoutocreateasharp,visibledisplay.Fig12-3isdiagramofoscilloscope’spanel.Also,adjustingthe
還可以調(diào)節(jié)聚焦和亮度控制旋鈕,以保證顯示的波形尖銳和可以看見。圖12-3為示波器的面板圖。還可以調(diào)節(jié)聚焦和亮度控制旋鈕,以保證顯示Exercises1.WriteT(True)orF(False)besidethefollowingstatementsaboutthetext.Exercisesa.Thegeneralpurposeoscilloscopeissuitablefor
special-purposeapplications.b.Thegeneralpurposeoscilloscopeisusedinservicingcommunications,scientific,orindustrialworkwherethefrequencyofthesignaltobeobserveddoesnotgreatlyexceed1000kHz.a.Thegeneralpurposeoscilloc.Thesignaltravelsdirectlytotheverticaldeflectionplatesofthecathoderaytube(CRT).d.Voltageappliedtothesedeflectionplatescausesaglowingdottoless.c.Thesignaltravelsdirectlye.Apositivevoltagecausesthe
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