軟件GPS接收機教學(xué)與研發(fā)平臺的設(shè)計與實現(xiàn).pdf

1、天津師范大學(xué)碩士學(xué)位論文軟件GPS接收機教學(xué)與研發(fā)平臺的設(shè)計與實現(xiàn)姓名：苗祺申請學(xué)位級別：碩士專業(yè)：現(xiàn)代教育技術(shù)學(xué)指導(dǎo)教師：孫大湧20060401天津師范大學(xué)理學(xué)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