實(shí)際地、海面電磁散射及其反演問題研究.pdf

1、姥號(hào)!!嬰!分類號(hào)蔓幽!一一學(xué)號(hào)一!里唧盟密級(jí)一坌哥一而簧它手料撥兜警碩士學(xué)位論文題c中、英文舊瓤蝗!一鷹亙魚磁徽墓廈演間鏖研究一一_Stu_dy_op也e毋9也9m曼g卿c_S!∞卿ng磐d_!心!!曼曼一一一一一_P_ro_bLemsfp_r_t_h__e__A_c地a!L_a；__d__andSeaSu__rf_a_c_e_s一一一一作者姓名一墼一坐指導(dǎo)教師姓名、職務(wù)郭宴塹一敦援一一學(xué)科門裝翌堂學(xué)科、專業(yè)玉線!啦堡一提交論文Et期

2、三9。Q土年：且AbstractAbstractBasedontheintegralequationmethod(IEM)andwithconsideringtheinfluenceofthesoilmoistureandvolumescattering，thebackscatteringcoefficientoflandsurfacewhichpossessesanexponentialcorrelationfunctioniscal

3、culatedTheexperimentalmodelofthesoildielectricconstantisgiyenandthenumericalresultsoftheparametersinthemodelareobtainedTheretfievaloflandsurfaceparametersiSachievedbyusingRBFneuralnetworksandGeneticAlgorithms(GA)，goodres

4、ultsareobtainedwitllsmallinverseerrorsThecomparisonoftheadvantagesanddisadvantagesforthesetwomethodsispresentedThecompositescatteringbetweendielectricseasurfaceandaconductingplateaboveitiscalculatedbyusingPhysicalOptical

5、(PO)methodandreciprocitytheoremMeanwhile，thedependenceoftheplatesizeonthecompositescatteringfieldisconsideredTheDopplerspectrumandthechaoticcharacteristicforthetimeseriesofcompositescatteringfieldareanalyzedFinallyartifi

6、cialneuralnetworksandwaveletanalysisareintroducedintothestudyoftheseacluttertealizethepurposeoftargetdetection，thefactorswhichaffectthedetectionofthetargetarediscussedandthesolutionstotheseproblemsaregivenKeywords：Land／s