esidesthesecharacteristics,shiornehfswralsoprovidesagilityandmaneuverability,whichhasattractedanumberofcountries’attentionindecade’s.comparedwithohorehfswr,thedifficultyinsignalproceingforshiornehfswrishowtodetectandestimateshiwhosedolerfrequenciesaearedinthereadingdomainofthebragglines.themainpurposeofthisdiertationistosolvetheproblembothintheoryandinpractice.
1.thereadingmechanismofthebragglinesinshiornehfswrisanalyzedandmathematicalreadingmodelisgiven.itisthevectorialsummationoftheplatformmotionwiththatoftheclutterreturnfromdifferentdirectiowithintheradarrangecellthatresultsinreadingofthebragglines,whichareverifiedbyexperimentalresultsfromtheshiornehfswrdatacollectionexperimentconductedin1998.therefore,themaininterferencefordetectionoftargetsinthereadingdomainisthefirstorderseaclutterreturfromthedirectiondifferentfromtargets’azimuthbutwiththesamedolerfrequencywithcoidera
tionofplatformmotion.
2.ace-timeadaptiveproceinginshiornehfswrissystematicallyanalyzedforthefirsttime.byanalogywiththegroundclutterrejectioninairborneearlywarning(aew)radar,dilacedphasecenterantea(dpca)techniqueisextendedforsureionofthefirstorderseaclutterinshiornehfswr.moreover,interpolationinatialdomainisproposedtoretrievesignalfordpcaproceingincoiderationofthevibrationoftheplatformmotion.simulationresultsshowthatthemethodcanremarkablyattenuatethefirstorderseaclutterwhentheplatformvelocityslightlyvibratesoverthetheoreticalvalue.furthermoredpcaproceingwithinterpolationintemporaldomainisgiv
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