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ID:20537679
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时间:2018-10-13
《测控技术与仪器专业传感器新技术的发展毕业论文外文文献翻译及原文》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、毕业设计(论文)外文文献翻译文献、资料中文题目:传感器新技术的发展文献、资料英文题目:DevelopmentofSensorNewTechnology文献、资料来源:文献、资料发表(出版)曰期:院(部):专业:测控技术与仪器班级:姓名:学号:指导教师:DevelopmentofSensorNewTechnologySensorisonekindcomponentwhichcantransformthephysicalquantity,chemistryquantityandthebiomassintoelectricalsignal.Theoutputsignalhasthediff
2、erentformslikethevoltage,theelectriccurrent,thefrequency,thepulseandsoon,whichcansatisfythesignaltransmission,processing,recording,anddemonstrationandcontroldemands.Soitistheautomaticdetectionsystemandintheautomaticcontrolindustry.IfautomaticTechnologyisusedwider,thensensorismoreimportant.Sever
3、alkeywordsofthesensor:1SensorElementsAlthoughthereareexception.mostsensorconsistofasensingelementandaconversionorcontrolelement.Forexample,diaphragms,bellows,straintubesandrings,bourdontubes,andcantileversaresensingelementswhichrespondtochangesinpressureorforceandconvertthesephysicalquantitiesi
4、ntoadisplacement.Thisdisplacementmaythenbeusedtochangeanelectricalparametersuchasvoltage,resistance,capacitance,orinductance.Suchcombinationofmechanicalandelectricalelementsformelectromechanicaltransducingdevicesorsensor.Similarcombinationcanbemadeforotherenergyinputsuchasthermal.Photo,magnetic
5、andchemical,givingthermoelectric,photoelectric,electromaanetic,andelectrochemicalsensorrespectively.2SensorSensitivityTherelationshipbetweenthemeasuredandthesensoroutputsignalisusuallyobtainedbycalibrationtestsandisreferredtoasthesensorsensitivityKl=output-signalincrement/measuredincrement.Inpr
6、actice,thesensorsensitivityisusuallyknown,and,bymeasuringtheoutputsignal,theinputquantityisdeterminedfrominput:output-signalincrement/Kl.3CharacteristicsofanIdealSensorThehighsensorshouldexhibitthefollowingcharacteristics.(a)highfidelity-thesensoroutputwaveformshapebeafaithfulreproductionofthem
7、easured;thereshouldbeminimumdistortion.(b)Thereshouldbeminimuminterferencewiththequantitybeingmeasured;thepresenceofthesensorshouldnotalterthemeasuredinanyway.(c)Size.Thesensormustbecapableofbeingplacedexactlywhereitisneeded.(d)Th
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