1、復(fù)旦大學(xué)碩士學(xué)位論文基于FMPSK二次調(diào)制信號(hào)的衛(wèi)星遙感信號(hào)解調(diào)器設(shè)計(jì)與實(shí)現(xiàn)姓名：史偉申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電子與通信工程指導(dǎo)教師：邵謙明20080320AbstractThehumansocietyisbasedontheinformationcommunicationSocommunicationgreatlydrivesthecivilization，progressanddevelopmentofhumansocietyInt

2、hedomesticandinternationallongdistanceandmediumdistancecommunicationareassatellitecommunicationhasbecome鋤importantmethod，andsatellitecommunicationtechnologyisstillinprogressNationsintheworld，especiallythedevelopednations

3、stillmakelargeinvestmentintheresearchanddevelopmentofnewtechnologiesandcomponentsinordertodecreasecostandenlargetheapplicationscopeSpecialistscontinuetomakegreateffortinmodulationanddemodulationtechnologiesTelemetryknown

4、asremotemeasurementmeansremotelymeasuringcharacteristicparametersoftargetsandtransferringthemeasurementresultsbacktoreceivingpo缸foranalysisTIletelemetrytechnologyisalloutcomeassociatedwithhighlydevelopedandcloselyintegra

5、tedremotedetectiontechnologyautonomouscontroltechnologyandRFinformationtransfertechnologyandisthelong—rangeextensionofhumansensingandcontrolfunctionsThestudyofthispaperoriginatesfromthetelemetrysignalsofsomeLEOsatellites

6、thatareneededforreceptionbyonesatellitesignalreceivingstation11lemodulationtypesofthetelemetrysignalsofthesesatellitesaremainlythesame，thatisPCM／PSK／FMmodulatedsignals，butthespecificparametersaredifferentMorespecifically

7、thesubcarrierfrequenciesanddatasymbolratesaredifferentTheauthorprovidesatelemetrydemodulatorforPSK／FMmodulationsignalaccordingtotherequirementsofgroundstationsThispaperfurstlyillustratestheimportanceoftwoleveledmodulatio

8、nsignalsofthistypeinthetelemetrysystemanddescribesthetaskfortheimplementoftelemetrydemodulatorwhichisneededinthePSKPCMtelemetrysystemblockdiagramSecondly，thispaperprovidesthedesignblockdiagramofthetelemetrydemodulatortha

9、tismadeupoftheIFunit，theFMdemodulationunitthesubcarrierdemodulationunitandthedigitalclockphaselockunitFurthermore，thispaperusesthewayof‘‘firstgeneralillustrationthenraisingactualdesign”todiscusstheabovementionedfourunits

10、Lastlythispaperprovidesthephotosofthistelemetrydemodulatorconcludestherelevantkeytechnologiesandinnovationpoints，introducestheperformancethatisrelatedtothesetechnologies，anddiscussestheeconomicprospectsthatareassociatedw