微波密度濕度檢測儀關(guān)鍵技術(shù)研究.pdf

1、Y870165微波密度濕度檢測儀關(guān)鍵技術(shù)研究TheStudyoftheKeyTechnologyaboutMicrowaveDensityandMoistureMeasuringSystem作者姓名塞童至學(xué)位類型工程亟學(xué)科、專業(yè)(工程領(lǐng)域)位墨越麥工程研究方向王些自動控劍導(dǎo)師及職稱金瞳薟熬攫韭進(jìn)屋直王2006年6月6日TheStudyoftheKeyTechnologyaboutMicrowaveDensityandMoistureMe

2、asuringSystemAbstractMicrowaveDensityandMoistureMeasuringSystemisaninstrumentthatuseontheindustrytomeasurethedensityandmoistureofmaterialonlineWhenmaterialpassesthemicrowaveresonance，itsattenuationandfrequencywillchangeU

3、sethisprincipiumcallmeasurethedensityandmoistureofmaterialOnlineintheprocessThispaperdiscussestheallcoursefrommeasureprincipiumdesignofthesoftwareandhardware，measureimplemem，resultsofmeasureoutput，designofreliabilityanal

4、yzeexperimentationresult，optimizethedesignetcThisMeasuringSystem’Shardwareconsistsofmicroprocessormicrowaveresonmoranditsconstanttemperaturecontrol，frequencysynthesizeranddemodulation，signaltransferetcThesoftwarewillcomp

5、leteAutomaticControlandexecute，datasamplingandcalculatingThedevelopofthisMeasuringInstrumentcomedowntothetechnologyofelectrocircuitoflockingfrequencyandphasedetecting，smallsignaldetect，calibrationetc，andithasmanytypeofin

6、terfacetotheupinstrumentTheapplicationofMicrowaveDensityandMoistureMeasuringSystemCanimprovetheproduct’ScapabilityandthesafetyofworkerAtlastitearlimpmvetheabilitytocompeteofthemachine’SmarketKeywords：MeasuringInstrumentM