編隊(duì)情況下艦載雷達(dá)抗同頻干擾方法研究.pdf

1、東南大學(xué)碩士學(xué)位論文編隊(duì)情況下艦載雷達(dá)抗同頻干擾方法研究姓名：薛春祥申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：軟件工程指導(dǎo)教師：常昌遠(yuǎn)馮兵20071008AbstractAbs訂actThemodemnavalwarfarehasbecome血ethree—dimensionalbattlewhichsimultaneouslyhappensintheairseaandsubmarineAireraflsandshipsusedinthewarfareh

2、avebecomeincreasinglymoreandmoleanddifferentkindsofmodemizedequipmentinvoIvedinthewarfieldmakeselectromagneticenvironmentmuchmorecomplicatedandchangeablesoantijammingisveryimportantandtheradarincapableofresistingjammingC

3、allnotsurviveinthemodemwarfareIntheactualworkingprocess，theradarnotonlyneedtoresistreconnaissaneeandjammingfromthefoe，butalsoneedtoo口cratewellintheowncomplicatedelectromagneticenvironment，andespeciallyagreatdealofmoderni

4、zedequipmentfixinginthelimitedspaceontheshipsrequiresmuchbetterEMCdesignEspeciallywhenradarsfotinintonetworkandshipssailinaline，mutualjammingcausedbyhomotyperadarsworkinginthesamefrequenciescanbedisplayedintospiralpetal—

5、likejaunninglines，orjammingringswhoseradiuschangescircularlyfromshorttolongwiththetimeorspokelikejamminglinesOllthescreen，whichCOVerthetargetechosignalsandaffecttheradarworkingperformanceForthemodernradathi曲stabilityoff磚

6、quenciesandrepeatingfrequenciesincreaseprobabilityofcommonfrequencyinterference，andmoreoverhightransmittingpowerandhighreceivingsensitivitymakesanlefrequencyinterferencesuppressionmuchharderSoitisverysignificanttomakeare

7、searchonresistingcomnlonfrequencyinterferencemethodsInthispapel“thesamefrequencyinterferenceproblemisresearchedonunderthesituationofseveralhomotyperadarsworkingtogetherandtheshipsformingintoalineandthecorrespondingresolu

8、tionareproposedFirstlytherepresentingform，characteristicandresearchsituationathomeorabroadofsamefrequencyinterferenceareintroducedandtllellaimingatcharacteristicofthenewtypeshipbornefrequencyscanningsystemradarandtheLFMs

9、ignalpulsecompression，enteringfeaturesofsalnefrequencyinterferenceareanalyzedfromtheviewofpowerandfalsealalTllAtiermanysalnefrequencyinterferenceresistancemethodsareanalyzed。theoptimummethodisproposedforthefrequencyscann

10、ingsystemradartouseinthetaskforcemodenamelycombinationoftimedomainRFradiationmanagementandasynchronousprocessingthrou91lchangingrepetitionperiod：throu曲designingnormalandfoHnationtwoworkingmodestoUSeinthedifiewentwarfares

11、ituationsRFradiationarecarriedouttimedomainmanagement，andrepetitionperiodofthehomotyperadarareseparatedtochangesanlefrequencysynchronousinterferenceintoasynchronousinterferenceBesidesrepetitionperiodstaggeringcaneffectiv

12、elyresistsamefrequencyinterferenceandsimulationanalysisismadeontheprecisionofstaggering，andintheformationmodeduringthemovingtargetprocessingthe‘“blindspeed”resolutionispresentedFinallythedesignisrealizedthroughFPGAandele

13、mentaryexperimentiscarriedoutThispaperisbasedonthedigitalprocessmethodstealizethesamefrequencyinterferenceresistance，andinthiswayradaroriginalprocessingflowcanavoidlargecorrection，sothismethodnotonlycaD_beusedinthefutttl

14、esurveillancedetectionsysternofournayalships，butalsoiseasierfortlleexistingfacilitiestoupgradeandrefittoimproveoverallfightingabilityKeywords：Taskforce；shipbomeradar；frequencyscanningsystem；sanle—frequencyinterference；sa