移動無線電測向監(jiān)測系統(tǒng)的研究和設(shè)計.pdf

1、南京理工大學(xué)碩士學(xué)位論文移動無線電測向監(jiān)測系統(tǒng)的研究和設(shè)計姓名：陳開東申請學(xué)位級別：碩士專業(yè)：控制工程指導(dǎo)教師：陳慶偉周萬幸20030301工程碩士論文移動無線電測向監(jiān)測系統(tǒng)的研究和設(shè)計AbstractWiththehighspeeddevelopingofradiotechnologythetraditionsystemcan’tdealwimtheproblemofcoherentsignalsandmultipathinterfe

2、renceTherationaleofthetraditionradiodirectionfindingsystemisintroducedDependingonthedouble—channelsinterferometerdirectionfindingsystemmanufacturedsuccessfullywhichhavegotatechnicalappraisalbytechnologycommitteeofJiangsu

3、Province，thesystemofsinglechannelinterferometerdirectionfmdingisdiscussedparticularlyThedataandresultsoftheexperimentsystemarepresentedResearchingandDevelopingthenewsystemofspacespectralestimationisverynecessarynowItisal

4、soallimportantdevelopingdirectionin“ten—five’periodStarttesearchthetheoryofspacespectralestimatesince30yearsagoButitisstilldifficultytealizeengineeringapplicationinafactprojectTherearetweasonsFirstoneonthehardware，device

5、sarecomplexandmanufacturedifficultyespeciallytowidebandsignalsThesecond，eachmethodisbasedonsomesupposedcondition，butitisdifficultyinfactAdesignprojectbasedonsignalchannelspacespectralestimationusedtodirectfindingispropos

6、edInthissystem，itissimplerinhardwaremanufactureOntheotherhand，somesignalprocessingmethodsofspacespectralestimationareusedsuchaswavelettransformanddummyarrayinordertoimprovecapabilityofthesystemDOAincomplexenvironmentDepe

7、ndingonthecharacteristicofthemobilestationsystemCanreducemoreinfluencesuchasmultipathinterferenceandnone—lineofsign(NLOS)propagationthanfixedstationAdditional，itCanbealsousedtosinglestationpassivelocationanditisveryusefu

8、ltodealwithoutburstincidentAgoodbaseofusingsinglechannelreceivertealizemobilespacespectralestimationdirectionfindingengineeringandminitypesystemisproposedKeywords：singlechannel，doublechannels，directionofarrival(DOA)，cros