子陣級(jí)數(shù)字陣列雷達(dá)中頻半實(shí)物仿真系統(tǒng)設(shè)計(jì)與實(shí)現(xiàn).pdf

1、聲明本學(xué)位論文是我在導(dǎo)師的指導(dǎo)下取得的研究成果，盡我所知，在本學(xué)位論文中，除it)JD以標(biāo)注和致謝的部分外，不包含其他人已經(jīng)發(fā)表或公布過的研究成果，也不包含我為獲得任何教育機(jī)構(gòu)的學(xué)位或?qū)W歷而使用過的材料。與我一同工作的同事對(duì)本學(xué)位論文做出的貢獻(xiàn)均己在論文中作了明確的說明。研究生簽名：刎鋅鄉(xiāng)月少日學(xué)位論文使用授權(quán)聲明南京理工大學(xué)有權(quán)保存本學(xué)位論文的電子和紙質(zhì)文檔，可以借閱或上網(wǎng)公布本學(xué)位論文的部分或全部內(nèi)容，可以向有關(guān)部門或機(jī)構(gòu)送交并授權(quán)

2、其保存、借閱或上網(wǎng)公布本學(xué)位論文的部分或全部內(nèi)容。對(duì)于保密論文，按保密的有關(guān)規(guī)定和程序處理。研究生簽名：2015年多yj2o目Abstract碩士學(xué)位論文AbstractWiththedevelopmentofradiofrequencyintegratedcircuitanddigitalsignalprocessingtechnologythedigitalarrayradar(DAR)塒也lowprobabilityofinter

3、cept，adaptiveantijammingabilitymulti—functionandsoftwaredefmedradioframegetscontinuousdevelopmentandapplicationInthedevelopmentanddebuggingprocessofthewholedigitalarrayradarsystemandeachsubsystem，thetraditionalradarsimul

4、atorCall’tmeettherequirementsofDAR，suchasmultichannelsandmultiworkingmodesTherefore，specialdigitalarrayradarsimulatorsneedtobedesignedInthisthesis，focusedonaprojectofsub—arrayleveldigitalarrayradarasimulationsystemwimhar

5、dwareinthe—loopisdesignedwhichconsistsofageneralcontrolsoftwareandmultichannelintermediatefrequency(IF)analogsignalcircuitTheparametersoftarget，jammingandnoisecanbeflexiblysetedbythegeneralcontrolsoftware，andsenttothemul

6、tichannelanalogIFsignalcircuitthroughgigabitethemetinrealtimeAsoftwareradioapproachbasedonFPGAD／Aisappliedtothemulti—channelIFanalogsignalcircuit，togenerate36一channelIFsignalscontainingtargetecho，jammingandnoise，whichare

7、synchronizedtothesystemthatneedtobetestedAmongthem，12channelsarewidebandsignals、歷t11thebandwidthof30MHz12channelsarenarrowbandsignals、加tllthebandwidthof16KHz，andtheother12channelsarenarrowbandsignals謝廿lthebandwidthofI2KH

8、zThetargetechosignalscorrespondingtothethreekindsofemissionwaveforms塒ⅡldifferentpulserepetitionperiodCanbesimulatedbytheIFhardware—in—the—loopsimulationsysteminvariouskindsofSNRandINRTheemissionwaveformsinclude，highpulse

9、repetitionfrequencyPulseDopplerwave(HPRFPD)，linearfrequencymodulatedcrli：rp(LFM)andlinearfrequencymodulatedcontinuouswave(LFMCW)ThedebuggingresultsofthesubsystemshowthattheechosignalgeneratedbytheIFhardwareintheloopsimul

10、ationsystemmeetthetestrequirementsofsystemfunctionandperformanceDebuggingresultseffectivelyverifynotonlythefunctionandperformanceoftheadaptivedigitalbeamformingprocessorsubsystem’Sdigitalbeamforming，butalsotheradarsignal