中短距離激光照明成像技術(shù)研究.pdf

1、長(zhǎng)春理工大學(xué)碩士學(xué)位論文中短距離激光照明成像技術(shù)研究姓名：李清安申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：精密儀器及機(jī)械指導(dǎo)教師：馮進(jìn)良20030401ABSTRACTThedeveloDmentofthetechniqueoflaser—illaminatedimagingsystemisbasedonthestudyoftheactireinfraredimagingThenear—infraredlaserislamp—houseinsuchsys

2、tem：thedetectionontheobjectcanbeperformedinvariousnightssuchasrainy，snowyandhazysoonItisthelaserbeamilluminatesontheobjectwhendetectionhappenedandCCDcameratakesphotosofthatInthelightofsuchtechniquetheabilityofdetectionon

3、objectwillbegreatlyimprovedandthedistanceofdetectionofthatwillbecertainlYfartherthanbeforeYetthedetectionwasperformedintheatmosphere，anditWaSanextremelycomplicatedmediumcomposedofmanykindsofcomponents，whenlaserbeampenetr

4、atessuchmedium，severescatteringandabsorbingwi11beexertedontheproperbeambytheatmospheremoleculesoraerosoletcFurthermore，differentextentsofabsorbingwillbeexertedonthedifferentlaserbeambydifferentqualitativeparticlesAccordi

5、ngly，thestudyonthecharacteristicofpenetrationoflaserbeamthroughtheatmosphereissignificantbasisinchoosinglaserlamphouseandthereceiveroflightsignals(ieCCD)，LightsignalsfromtheobjectiscoveredbyRelayscatteringWhenlaserbeampe

6、netratesthroughtheatmosphereSothetechniqueofrangegatehasbeenusedinsuchsystemFinally，wechoosetheproperCCDcamerabytheanalysisorthecalculationofthecharacteristicoftheatmosphere，thereflectionratefromtheobject，thedexterityofC