基于DSP的全數(shù)字低中頻收發(fā)機(jī)的設(shè)計(jì)與實(shí)現(xiàn).pdf

1、北京交通大學(xué)碩士學(xué)位論文基于DSP的全數(shù)字低中頻收發(fā)機(jī)的設(shè)計(jì)與實(shí)現(xiàn)姓名：王振海申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：通信與信息系統(tǒng)指導(dǎo)教師：陶成20071201△墾SⅨ￡至ABSTRACTABSTRACT：Asoftware—definedradio(SDR)systemisaradiocommunicationsystemwhichcallchangethemainparametersofthesystembymeallsofprogrammabl

2、ehardwarewhichiscontrolledbysoftwareItcontainstwocoreideas，oneistoimplementalmostthewholebasebandandIEsystembydigitalmethods，andtheotheristoperformthesignificantamountsofsignalprocessinginareconfigurablehardwareplatformi

3、mplementedbysoftwareMoreoverwitlltherapidprogressoftheperformanceoftheprogrammabledevice，wecandesigntheabovesystemmuchmoreeasilyandefficientlyThusthedestinationofthispaperistodesignandimplementallalldigitalLowIntermediat

4、eFrequencytransceiverofmulti—servicebasedonDSEInthisthesis，first，theTMS320C6713DSParchitectureanditsdevelopmentflowareintroducedLaterchannelsoftransceiveraredesignedwithconsiderationofdataformat，modulationFECandinterweav

5、ingEmphasisisplaced011theoryandimplementationofMSKdigitalmodulationanddemodulationanditsfeedforwardsynchronizationanaudiocompressionalgorithmCVSD(ContinuousVariableSlopeDeltaModulation)andaFECtechniqueConvolutionalCeding

6、DecodingFinallybasedonthesetheoriesandamilitaryfrequencyhoppingbroadcastingstationstandardwediscussthesolutionofourtransceiver碭eprogramframeworkisestablishedandthepracticalalldigitallowintermediatefrequencytransceiverisr