軟件GPS接收機教學與研發(fā)平臺的設計與實現(xiàn).pdf

1、天津師范大學碩士學位論文軟件GPS接收機教學與研發(fā)平臺的設計與實現(xiàn)姓名：苗祺申請學位級別：碩士專業(yè)：現(xiàn)代教育技術學指導教師：孫大湧20060401天津師范大學理學碩1：論文AbstractThemodemstandardGPSreceiversarecommonlybasedonASICsforsignalprocessingWhilethealgorithmsforsignalprocessingisblackboxtotheleam

2、erThisthesispresentssolutionforGPSprincipleteachingbyusingsoftwareradioconceptThemainpurposeofusingsoftwareradioconceptistoprovideaclearerideaofsignalprocessingacquisitionandtrackingThesoftwareapproachshouldprovidebetter

3、understandingofreceiverbecausethealgorithmsarebasedonMatlabprogramOncethesoftwareconceptiswellunderstood，thestudentsshouldbeabletointroducenewsolutionstoproblemssuchasvariousacquisitionandtrackingmethodstoimproveefficien

4、cyandperformancesThesoftwareapproachisveryflexibleItCanprocessdatacollectedfromvarioustypeofhardwareAprogramcanbeusedtoprocesssignalsdigitizedbydifferentRFfrontendwithdifferentsamplingfrequencyItCanbeusedtotesttheperform

5、anceofRFfrontendAdditionally，aGPSsoftwarereceiverismoreflexiblewhenitcomestoadaptingtheentirereceivertoworkonthenearfutureGalileosignalsThereforeasoftwareapproachCanalmostbeconsideredashardwareindependentNewalgorithmscan

6、easilybedevelopedwithoutchangingthedesignofhardware，F(xiàn)orexampleinordertostudytheantijammingproblemoneCaDcollectasetofdigitizedsignalwithjammingsignalsandusedifferentalgorithmstoanalyzeitThepurposeofourprojectistoprovidean

7、easy—to—usesystemforcollectingGPSsignalsToachievethisgoal，USB20peripheralisusedwhichprovidesplugandplayfunctionandsupportaspeedof480MbpsThissystemhasbeenusedforGPSdevelopmentbygraduatestudentThemajorpartofthisthesisWasco

8、ncentrated011expatiationandcomparisonofthealgorithmsofGPSsignalsearching，acquisitiontrackingandnavigationsolutioninGPSreceivenSearching，acquisition，trackingofGPSsignalisalsodiscussedindetailintermofsoftwareapproachFinall