简论多传感器检测系统信号处理研究外文翻译

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1、简论多传感器检测系统信号处理研究外文翻译简论多传感器检测系统信号处理研究外文翻译导读：eequipment.IfthedataemetryisOK(deckunitdatalightisonanderrorlightoff)butoneormorechannelsisfaulty,seeSection5-2(SensorProblems)beforeproceedingmaybeadefectivesensor.ReadSection4-1endthatACpoovedanda1minuteperiodforsupplycapacitordischargebeal

2、loovingorinsertingcircuitcards,orotherent.IfthedataemetryisOK(deckunitdatalightisonanderrorlightoff)butoneormorechannelsisfaulty,seeSection5-2(SensorProblems)beforeproceedingmaybeadefectivesensor.ReadSection4-1atics'aticdiagrams.Allvoltagesaremeasuredrelativetopin2ofanyplug-incard;thi

3、sismainsignal/poaybebloetryacrosstheseacable.USEEXTREMECAUTIONINPERFORMINGTHISOBSERVATION.THESEACABLEVOLTAGEISPOTENTIALLYLIFE-THREATENING!ALLOINUTEAFTERPOAKINGCONNECTIONSTOTHESEACABLEOUTPUTCONNECTOR.Iftheemetryispresent,thetroubleisprobablyinthedeckunit.Iftheemetryisnotpresentatthedec

4、kunit,measuretheseacablecurrentilliamperesdependingontheunderingthatthereisnobreakintheseacable,turnoffthedeckunitpoeasuretheinternalsupplyvoltages(relativetopin2):+5,+15and-15atpins1,5,and3respectivelyoftheAnaloginterfaceboards.Ifthereisnovoltageatanypointonthebackplane,theseacablein

5、terfacecircuitryiseitherdefectiveorisnotreceivingpotheseacable.CheckthattheSea-cableInterfaceisreceivingthecorrectinputvoltage(250volts).IfnovoltageispresentattheinputstotheDC/DCcon5678简论多传感器检测系统信号处理研究外文翻译(2)导读：oftheby-passcapacitorsacrosstheconverteroutputsmaybeshorted.5-1.2POORENON-

6、FUNCTIONINGCHANNELSIfafrequencychannelisgivingimproperreadings,checkthatthesensorsignalispresentonAPcounterboard(pins7andHonthebackplane,foundontherightedgeofthesmallboardthatthecoaxcablingismountedto).Theseare2voltp-psineperatureandconductivityanda4voltsquareovethatchannel'sAPCounter

7、Board-ifthisrestoresthesignal,theAPBoardhasadefectiveinput.TryoneoftheotherAPCounters(thefiveboardsareidentical)intheoffendingchannelposition.IftheAPCounterinputsareok,trysstaysechan5678简论多传感器检测系统信号处理研究外文翻译(3)导读：tofacilitatepumppriming.PNOTakesurethatthepumpcableisnotcutorotheragedand

8、thatt