地面高光譜遙感在棉葉螨監(jiān)測中的應(yīng)用研究.pdf

1、分類號密級石河子大學(xué)碩士學(xué)位論文地面高光譜遙感在棉葉螨監(jiān)測中的應(yīng)用研究研究生指導(dǎo)教師申請學(xué)位門類級別學(xué)科、專業(yè)名稱研究方向所在學(xué)院陳鵬程張建華(教授)農(nóng)學(xué)碩士農(nóng)業(yè)昆蟲與害蟲防治昆蟲生態(tài)學(xué)農(nóng)學(xué)院中國新疆石河子2006年6月英文摘要Applicationofgroung—basedhyperspectralremotesensingtodetectspidermitePostgraduate：ChenPengchengSpecialty：A

2、griculturalInsectandPestManagementSupervisor：ProfZhangJianHuaAbstract：Hyperspectralremotesensinginjectnewenergyintotheapplicationofremotesensingonagriculturethroughit’SmorebandsandabundantdataItisveryimportantthatmonitor

3、ingthecropgrowthstatusandthediseases，insectpests’damagetothenlIn2005leafandcanopyreflectanceofcottoninfectedwimdifferentlevelcottonspidermitesweremeasureusingASDFieldspecFR2500instrumentinShiheziXinjiangAtthesametimethei

4、ndexofspidermiteswasinvestigatedandthephotosynthesisparametersweremeasuredintherangeofspectrummeasuringThespectralfeatureanddifferenceofcottonspidermitesatvisiblelight，nearinfraredandmiddleinfiaredregionandthechangesofre

5、dedgeparameterswerestudiedqualitativelyandquantitativelyMeanwhile，thecorrelationsbetweentheindexofspidermitesandthecanopyspectrumandthephotosynthesisparameterswereanalyzedTheresultsareasfollows：Thespectralreflectancedecr

6、easedinnearinfraredregionwimtheincreaseofinfestationandthischangeismostsignificantbetweenleafspectralreflectanceandcanopyspectralreflectanceThechangesof1eafandcanopyrededgeweredifferentAt1eaf1eveltherededgewasremarkablym

7、ovedtoshortwavelengthwithmoreheavyinfestation，butatcanopyleveltherededgewasunremarkablymovedtoshortwavelengthThecorrelationsweresignificantbetweentheindexofspidermitesandrededgeswing(d九red)，rededgeminimumswing(nroin)，the

8、ratioofrededgeswingtominimumswing(dked／d九min)，rededgearea(Yd)。r80～750)，SOtherededgeparameterscouldbedetectedcottonspidermitesThepigmenthadgoodcon“elationwiththeindexofspidermitesandcanopyspectrumFinally，wedefinedtheDVI，R

9、VINDVIbv634nln、694Billand767nmbandsthatweresignificantwi也theindexofspidermitesthathavegoodcorrelationwiththetheindexofspidermitesSothosemodelscanbeusetosupportthemonitoringtheindexofspidermitesMeanwhileweconstructedmulti

10、bandmodeltodiagnose血eindexofspidermitesby694nrnand767ninbandsThisresearchprovidedtheoreticfoundationtofurthermonitorcottonspidermitesatlargescaleusingairbomeandairspaceremotesensingdataKeywords：hyperspectralremotesensing