彈載相控陣PD雷達(dá)的雜波抑制與目標(biāo)分辨算法研究.pdf

1、湖南大學(xué)碩士學(xué)位論文彈載相控陣PD雷達(dá)的雜波抑制與目標(biāo)分辨算法研究姓名：鄧志象申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：信息與通信工程指導(dǎo)教師：何松華20110528Abstract，Howto1mpr0VethecombatcapabilityofPulseDoppler(PD)guidanceradarincnecomplexenViro咖entofseverefights，strongcluttermultiobjectives，etcisapro

2、bJemtoberesolvedinthenewgenerationofairtoairmissiJe，andusingphasedarraytechnologYinPDguidanceradarCOuldbeanimportantmeansinsoIvingthisproblem‘IheSpacetimeadaptiveprocessingmethodsofmissilebornephasedarrayrD—radarhoweVer，

3、mustberealizedatthesub—arraylevelduetoitspropeniesofIessmissileeqmpmentandhighreal—timedemandingInresponsetotherequirementsdiscussedabove，thispaperstudiedtherealtimecJuttersuppressionalgorithmintheprocessoftargetdetectio

4、nofmissilebornephasedarrayPDradar，aswellasthereal—timesuperresolutioIlalgorithmintheprocessoftargetresolutionatthesubarraylevelinpbasedarray，andtheperformanceofthesealgorithmswerealsoevaluatedGivingfullpIaytothephasedarr

5、aytechnology，thesealgorithmsachievedabalanceincluttersuppressionperto加ance，targetresolutionperformance，aswellasthecomputationalcostResearchworkinthispapermainlyincludes：。IAdVantagesandproblemsofphasedarrayPDguidanceradar

6、werefirstlvdlscussed，supplementedbytheanalysisandsummarizationofcurrentresearchanddeVelopmentaltrendofphasedarrayPDguidanceradarbothathomeandabroadzJneslgnalprocessingofthemissilebornephasedarrayPDradarwasanalyzedandmode

7、lswereestablishedoftargetsignal，cluttersignal，interferenceslgna王，asweasthemonopulseanglemeasurementatthesubarrayleveljw1tnrespecttothetargetdetectionprobleminthedistanceDopplerplanearea，an叩tjmalSpati羽剮把一ngalgorithmatthes

8、ub—arrayleveJwasproposedtosuppreSStnesldelobeclutterRegardingreal_timeconstraintsinmissileborneappIication，asub‘optlmalreal一timespatialfilteringalgorithmwasaJsoproposedatthesubarrav1Vel’Jus‘modi‘1edon‘hebasisoftheoptimal

9、spatialfliteringaIgorithmThrough!beorencalanalysesandsimulations，thesealg。rithmswereassessedinrespectsoft二elossotcluttersuppressionperformanceandimprovementinthereal—timep：rlofmanceTheresultsshowedthatthemethoddontreachl