磁懸浮列車車地系統(tǒng)數(shù)字接收的FGPA實現(xiàn).pdf

1、電子科技大學(xué)碩士學(xué)位論文磁懸浮列車車地系統(tǒng)數(shù)字接收的FGPA實現(xiàn)姓名：李娟申請學(xué)位級別：碩士專業(yè)：信號與信息處理指導(dǎo)教師：唐斌20100501ABSTRACTABSTRACTBasedontheindepthanalysisofthevehicletocommunicationofthemaglevtrain，thisdissertationregardsthedigitalreceiverofthemaglevtrainasthema

2、instudyobject。usingfieldprogrammablelogicdevice(FPGA)，softwaredefinedradiotheoryandprinciplesofdigitalreceiveradoptingthemeansoftheoreticalanalysis，computersimulationandhardwaredebugging，andgivestherealizationdetailofthe

3、digitalreceiverthemaincontentofthisarticleisdividedintothefollowingfourareas：1Describingthecharacteristicsofdigitalreceiverandgivingthebasicmodalofdigital‘receiverdiscussingtherealizationofthekeymoduleofthedigitaldowncon

4、versionofthedigitalreceiver，expoundingthepassbandsamplingtheoremandthediversitycombiningtheorywhichisinvolvedthetheoryofthedigitalreceiver；2Givingtwobasicmodelsofthedigitalreceiverofthevehicletocommunicationsystemofthema

5、glevtrain，discussingthecompositionofthemodulesoftwokindsofdigitalreceivertheoryimplementationandcomputersimulationofthemodules，proposinganewSNRestimationalgorithmanddemodulationalgorithmwithlessresourceconsumptionandhigh

6、precision；3GivingtheFPGAimplementation，debuggingandproblemsolvingoftwokindsofthedigitalreceiverandgivingthefunctionalsimulation，resourceconsumptionandsystemsimulationSimulationresultsshowthat，inthecaseof1essconsumptionof

7、resources，eachmodulecancompletetheircorrespondingfunctions；4Givingtwokindsofoverallstructureandtheperformancesimulationofsystem，theresultsshowthatarchitectureofthesystemCanberealizedinengineeringKeywords：SNRestimation，co