聲學(xué)工業(yè)爐溫度場(chǎng)測(cè)量技術(shù).pdf

1、東北大學(xué)碩士學(xué)位論文聲學(xué)工業(yè)爐溫度場(chǎng)測(cè)量技術(shù)姓名：張維君申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：趙麗紅20031201MeasuringTechnologyforTemperatureFieldofIndustrialBoilerBasedonAcousticsABSTRACTAtpresentitiSquitehardtneasurethetemperaturefieldinsideboilersBesidesthehugev

2、olumeot’thehearthandgreatWOrkloadfortesting、itiSalsobecauseofexecrableconditionsForinstancenormallyover1200degrees’temperatureinsideboilers，acutelyburningpulseanddeafeningsoundaroundInrecentyearsacoustictestinghasbeenbeg

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5、estbrlaunchingandinceptingofacousticwavesignal，analog—digitaltransformation，crosscorrelationcalculating、andwasvalidatedOntheconditionsoflaboratoryTheresultofthetestshowsthatthedeviceiSprovidedwithsuchadvantagesonmoreaccu

6、rateresulteasiercontr01andlowerinvestmentAndhencetherewilIbeagreatfutureR)rapplicationJ五odissertationalsointroducedindetailshardwareandSOftwaredesignfortestingplatformofacousticmeasurementItemphasizedonthosecontents：howm

7、icrocontrollercontrolsEthernetcontrollertoestablishTCP／IPprotocoJcommunicationfromPCtoEthernct；howtoexploitpotentialitiesofmini—controlleriUordertoimprovecommunicatingspeed；underthecontrolofmicrocontrollerhowtonlakethere

8、sultofanalogdigitaltrans憶rmationstoreddirectlyinmemoryandthedatanotpasstlnoughthemicrocontro兒eLUsingthismethodthespeedofgatheringandstoringdatacanbeimprovedrapidlyMoreoverinthedissertation，theauthorputforwardasortofcalcu

9、latingmethodofcrosscorrelationfunctionthroughsoftwareprogramming；andbyusingthecharacteristicofcross—correlationfimctionfiguredouttheflightspeedofacousticwaveKeywordstemperaturefield，acousticsmeasuring，microcontrollerTCP／