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284Vol.28No.4199810JOURNALOFCHANGCHUNUNIVERSITYOFSCIENCEANDTECHNOLOGYOct.1998(,130026),,X742519980107,,,,,[1],,,[2],,,1Maxwell,¨H=J+5D5t(1)¨E=-5B5t(2)¨õB=0(3)¨õD=Q(4):E;B;D;H;J;Q(1),(2),,(,,):¨2E+(LEX2-iLRX)E=0(5)k2=LEX2-iLRX,k,¨2E+k2E=0(6)k=B+iAA(),B():A=XLE2(1+(REX)2-1)(7)B=XLE2(1+(REX)2+1)(8),[3]:E=E0e-Arõe-i(At-Br)(9):K=2PB,:M=XB,e-Ar,L=L0(i=4P10-7Höm),2Maxwell(5)[4]:¨¨E-LE52E5t2-LR5E5t=0(10)E,LRE:¨¨Ev-L-E-52Ev5-t2-L-R-5Ev5tgt=0(11)Ev,L-R-E-:EvE=MEL-L=MLR-R=MRE-E=MEtgt=Mt$-$=M$(12)MEMLMRMEMtM$(dx=dy=dz=$)(11)¨¨MEE-LEMLME52(MEE)5(Mtt)2-LMLRMR5(EME)5(Mtt)=0(13),MEM2$=MLMEMEM2t=MLMRMEMt(14)4541998:MLMR=M2$Mt=1(15)MLM%M2$M2t=1(16)(15)(16),L=L0,ML=1MEM2$M2t=1MRM2$Mt=1(17)(17),(9),,:MAMr=1MAMfMLME(18)MA=A-AMr=rlr,ML=1,MfMr=1(19)(18)(19),,,,3,1.9m1.1m1.0mSIR22,900MHz1L3.1,,(20)10,2008m2.1%M=cöEr(20)McEr3.2,17,10cm1cm,23,,,,5544:1Fig.1Mapofphysicalmodelandsurveylines2Fig.2MapofGPRsurveyonmodelwithnooil3Fig.3MapofGPRsurveywhileoilpouredintomodel44hFig.4MapofGPRsurveyafteroilpouredintomodel4h53-2Fig.5GPRimageoffigure3subtractfigure264-2Fig.6GPRimageoffigure4subtractfigure2532,,,6541998,,44h,642,,,4(1),(2),(),(3),,(4),(5),,(),,,,,DNAPL1Maxwell,Michael.Detectionandmappingofagasolinespillusinggrandpenetratingradar:Acasestudy.SAGEEP95,EnvironmentandEngineeringGeophysicalSociety,USA,1995211:,1996311:,199441:[]1:,1997THEPHYSICALMODELINGSIMILARITYCRITERIONOFRADARWAVEANDTHETESTFORMONITORINGOILANDGASPOLLUTIONUSINGGPRZengZhaofa,XueJian,WangZhejiang,TianGang,WengAihua(ChangchunUniversityofScienceandTechnology,Changchun130026)AbstractUsingGPR(GroundPenetratingRadar)tostudythepollutionofoilandgasisakindofmoderntechniquefortheapplicationofGPR.Onthebaseofinducingthephysicalmodelingsimilaritycriterionofradarwave,wedesignedandmadeasandmodel,anddidtheexperimentofmonitoringoilandgaspollution.Fromtheexperi2ments,wecanfoundthatGPRcandeterminerangeanddensityofoilpollution.KeywordsGPR,similaritycriterion,physicalmodeling,pollutionofoilandgas7544: