资源描述:
《MIMO Radar Waveform Optimization With Prior》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、IEEETRANSACTIONSONSIGNALPROCESSING,VOL.57,NO.9,SEPTEMBER20093533MIMORadarWaveformOptimizationWithPriorInformationoftheExtendedTargetandClutterChun-YangChen,StudentMember,IEEE,andP.P.Vaidyanathan,Fellow,IEEEAbstract—Theconceptofmultiple-inputmultiple-outp
2、uttheconceptofMIMOradarcanbeusedtoincreasethespa-(MIMO)radarallowseachtransmittingantennaelementtotialresolution.Severaladvantageshavebeendemonstratedbytransmitanarbitrarywaveform.Thisprovidesextradegreesdifferentauthors,includingexcellentinterferencerej
3、ectionca-offreedomcomparedtothetraditionaltransmitbeamformingpability[30],[31],improvedparameteridentifiability[29],andapproach.IthasbeenshownintherecentliteraturethatMIMOradarsystemshavemanyadvantages.Inthispaper,weconsiderenhancedflexibilityfortransmitbe
4、ampatterndesign[5],[7].AthejointoptimizationofwaveformsandreceivingfiltersinthetutorialonthecolocatedMIMOradarcanbefoundin[28].InMIMOradarforthecaseofextendedtargetinclutter.Anovelthispaper,wefocusonthecolocatedMIMOradar.iterativealgorithmisproposedtoopti
5、mizethewaveformsandTheMIMOradarwaveformdesignproblemshavebeenreceivingfilterssuchthatthedetectionperformancecanbemaxi-studiedin[5]–[16].Thesemethodscanbebrokenintothreemized.Thecorrespondingiterativealgorithmsarealsodevelopedforthecasewhereonlythestatisti
6、csortheuncertaintysetofthecategories:1)covariancematrixbaseddesign[5]–[9];2)radartargetimpulseresponseisavailable.Thesealgorithmsguaranteeambiguityfunctionbaseddesign[10]–[13];and3)extendedthattheSINRperformanceimprovesineachiterationstep.Nu-targetbasedd
7、esign[14]–[16].InthecovariancematrixbasedmericalresultsshowthattheproposedmethodshavebetterSINRdesignmethods,thecovariancematrixofthewaveformsareperformancethanexistingdesignmethods.consideredinsteadoftheentirewaveform.Consequently,thisIndexTerms—Beamfor
8、ming,clutter,extendedtarget,multiple-kindofdesignmethodsaffectsonlythespatialdomain.In[5]inputmultiple-output(MIMO)radar,waveformdesign.and[6],thecovariancematrixofthetransmittedwaveformsisdesignedsuchthatthepowercanbetran