基于at89c2051的tds水質(zhì)測試儀設(shè)計畢業(yè)論文

1、畢業(yè)設(shè)計（論文）計（論文）2013屆題目基于基于AT89C2051AT89C2051的TDSTDS水質(zhì)測試儀水質(zhì)測試儀專業(yè)電子信息工程電子信息工程學(xué)生姓名學(xué)號指導(dǎo)教師論文字數(shù)完成日期2012122020121220基于基于AT89C2051AT89C2051的TDSTDS水質(zhì)測試儀水質(zhì)測試儀本科畢業(yè)論文IIIAbstract：Inrecentyearswaterenvironmentalpollutionmakesitincreasin

2、glyconcernedaboutwaterquality.Waterqualitytestinginstrumentsplayedanimptantroleinhelpingpeopletounderstthewaterquality.TDSwaterqualitytesterconcernitsstructureissimplecompacthighprecisionlowcostfastresponse.TDSwaterteste

3、rduetothepolarizationoftheprobetheparasiticcapacitancethetemperatureonthemeasurementaccuracyitexiststhedisadvantageoflowmeasurementaccuracythetemperaturecompensationisnotenough.Fthesephenomenaindertobeabletomeaccuratelym

4、easurethewaterqualitythisstudyanalyzedtheTDSmeasurementprincipleacomparativedemonstrationofvariousmethodsofmeasurementdesignaTDSwaterqualitymeasuringinstrumentbasedonconductivitymeasurementprincipletemperaturecompensatio

5、nerr.ThecircuitdesignAT89C2051microcontrollerasthecetheprobebythesenstheconductivitysignalacquisitioncircuittemperaturecompensationcircuitcontrolcircuitdigitaldisplayalarmcircuitscomposed.Thesystemintroducesaspectsoftemp

6、eraturemeasurementthemeasurementerrduetotemperaturechangescausedbythesoftwarealgithmcompensation.Keywds：TDSWaterqualitytestingMCUTemperaturecompensation目錄第一章第一章緒論..........................................................