基于实验的海面溢油微波散射特性的研究

基于实验的海面溢油微波散射特性的研究

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时间:2019-02-26

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1、ABSTRACTABSTRACTWiththeincreasingdemandforenergyandtheover-exploitationoflandoilresources,theexploitationofcrudeoilgraduallyturnstotheocean.Atthesametime,theuseoflargeoiltankersbecomesamajormeanstotransportindustrialoils.However,whenoildrillingplatform

2、sandoiltankersfacemajoraccident,oilspillwillcausedevastatingharmtooceanecologyandthenaturalenvironment.Itisnecessarytomakesuresomeimportantparameterssuchasthesizeofoilspillsandthetypeofoilspillsbeforewetreattothedisasters.Thereareseveralmethodsforoilsp

3、illdetection,mainlyincludingopticaldetectionandmicrowaveremotesensing.Microwaveremotesensingmethodisnotlimitedtoweatherconditions,andcanevenworkinthenight,hasbeenwidelyused.Seasurfacecapillary-gravitywavesplayamajorcontributiontomicrowavescattering.Whe

4、nseasurfaceiscoveredbyoilfilm,itcanbedampenedbythesurfacetensionofoilandreducesthescatteringofmicrowave.Itwillcausedarkareaintheradarimage.Thisisthetheoreticalbasisofmicrowaveremotesensingtodetectoilspills.Thispaperstudiestheoilspilldetectionbymeansofe

5、xperimentsandcarriesoutsometheoreticalanalysis.Thestudyreferstotheseaclutterunderdifferentconditions.ByusingtheMonteCarlomethod,wemodeltheroughseasurface.Byusingthewavespectrumtheroughseasurfacehasbeensimplified.Thentheexistingoilspillmodelshavebeenana

6、lyzedindepth.Finally,thispaperdesignedaseriesofindoorsimulationexperimentsandoutdoorscatteringexperimentswhichachievedcertainresults.Inlaboratoryexperiments,weuseddifferentwavelengthsofelectromagneticwaveswithdifferentpolarizationtomeasureoilsampleswit

7、hdifferentthicknessbydifferentwindspeedanddirection.Intheharborscatteringexperiments,weuseddifferentbandsofdifferentpolarizationofelectromagneticwavestomeasuretheseasurfaceatdifferentwindspeeds,andlaydieselsamplesonthesea,simulatedoilspillincaseofareal

8、sea.Duringtheindoorandoutdoorexperimentsweobtainedalargeamountofmeasureddataforfuturetheoreticalresearch.Keywords:Oilspill,wavespectrum,scatteringmodel,scatteringmeasurementII目录目录第一章引言....................................................

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