1、comparisonofgeometry-baseddopplerambiguityresolvinsquiintsaranincreasesinthazimuthambiguitylevel； 在目標(biāo)上移動(dòng)的位置；互補(bǔ)增益率、互補(bǔ)增益率、非互補(bǔ)增益率wolfurtheimage .互動(dòng)、 提升多普勒參數(shù)評(píng)估方法評(píng)估中心評(píng)估(ressimationfromechodataisanessentialprocedureforhighqualitysarprocessing多普勒中心評(píng)估) iguity )、dopplercentroidestimation，azimuthdataaresample

2、dbypulserepetitionfrequency (PRF )、thereisalwaysdopplercentroidambiguity、 and the bigger the squint angle is themorersioustheddopplerambiguitywillbe.dopplercentroidisusuallyexpressedintwoparts : thebasebe nddopplerambi guity number .雙重中心建議， 基于幾何體的多重演進(jìn)分布(wda )多重演進(jìn)分布(MLCC )多重演進(jìn)分布(mlbf )基于幾何體的分布therela

3、tingbetweendopplercentroidandrangewalkslope，sincethismethodisbasedonthegeometriccharacteristicsoftherangecompressedda itisnamedasgeometry-baseddopplerambiguityresolver .enteddopplercontrecontidcanbecomputedviaestimatingthrangewalkslope . conventionalradontransformscheme.radon transform : awell-knowt

4、oredetectingslope.itintegrationallingandbesprodedirectionint n onintoafeaturespace.itinvolvestwo-dimensionalilsasearch .基于幾何的分配，交互式方案，thesslopeisseeasasearch 以及rentcontyisusedestomertherobustnessofsignal.itutilizsthepriorinformationofplatform andresherdontransformileintegrationofima 基于幾何體的規(guī)則，隱藏式隨機(jī)變換

5、方案，基于規(guī)則的信息平臺(tái)，轉(zhuǎn)換數(shù)據(jù)到二進(jìn)制文件系統(tǒng)andconducttwo-stepradontransform，whiwhiwhowitisspasesanddrecedtheenetosearchthewholefeature .基于幾何的協(xié)議，commetry 、22222222222222222222222222222222222222222222222222222222222222222222222222222222222222222223ametricmethodmetric -基于參數(shù)的自動(dòng)聚焦(entropy/contrast )映射、Doppler rate estimat

6、ion nonparamemetramemothemodeproninentpointprocessing (PPP )階梯函數(shù)(PGA )時(shí)間頻率分析lowcontrastscenelowsnrwithoutprominentpointwhatcanwedo？Doppler rate estimation、Estimation Scheme、iticindicinstitytheddddopplerrateinlow-contrastscenecanbeestimatedindirectly .e dopplerrateinhigh-contrastsceneisestimatedfirss

7、ingradon-wignertransform以及dopplerraterrretisinverselyproportionaltorange， dopplerrrrretinlow-contrastsceneisestimatedinrectly .results highcontrastscenewithprominentpoint，時(shí)間頻率分析，radd lowcontrastscenewithoutprominentpoint，時(shí)間頻率分析，radon變換，Conclusions， geometry-basedschemecanbeusedtoresolvedopplerambiguityofsarwithlargemigration.thesportionofimprovedradontransformschemean ttentimesfasterthanconventionalradontransformscheme.anindirectestimationschem