基于無線傳感器網(wǎng)絡(luò)的橋梁診斷傳遞函數(shù)分析方法的研究.pdf

1、上海大學(xué)碩士學(xué)位論文基于無線傳感器網(wǎng)絡(luò)的橋梁診斷傳遞函數(shù)分析方法的研究姓名：馬永昌申請學(xué)位級別：碩士專業(yè)：計(jì)算機(jī)系統(tǒng)結(jié)構(gòu)指導(dǎo)教師：徐煒民20080901AbstractRecentlyinJapanthebridgesthathavepassed50yearsinserviceableliferapidlyincreasebetween2020and2030Onceabridgewasbuiltover50yearsdeteriorat

2、ion，crackandmanyotherproblemswouldbeappearedquietlySomeunexpecteddisasterswouldhappenlikecollapseaffairswithoutperiodicaldiagnosisWbstartthisresearchtoprotectpeoples’livingenvironmentandreducethefinanceoverexpenseofgover

3、nmentThuSthisBridgeHealthdiagnosisSystemiSbomTheaimofthisresearchisthedevelopmentofabridgediagnosissystemfordailybridgemaintenanceThesystemincludesthetechnologyofwirelesssensornetwork，signalprocessing，andstructureanalysi

4、sofabridgeThediagnosistechnologyisdevelopedtounderstandthephenomenalikedeteriorationandcorrosionofabridgethroughthemeasurementresultSothediagnosissystemCallevaluatethehealthconditionofabridgeandconductacomprehensivedelib

5、erationonrepairandreinforcementworkThispaperfocusesontheresearchoftheconstructionofWirelessSensorNetworkandthecommunicationbetweennodesofthemAndthescheduleofdatatransmissioninthewirelesssensornetworkisdiscussedBesides，th

6、isPaperimplementsthedatatransmissionbetweenthedatarecorderandtherepeaterandalsothesynchronoustransmissionbetweenwirelesssensornodeandrepeaterInthedataanalysispart，F(xiàn)astFourierTransforillandTransferFunctionareusedonthecoll

7、ecteddataofbridgevibrationTheresults，whichgiveoutthecharacterofbridge，ofthesetwomethodsarecomparedAtlast，somedeeperanalysis，inordertoseetheaffectionfromdifferentconditionofvehicleisdoneKeyword：bridgediagnosis，fastfourier