基于差分光路的扫描式激光三维成像关键技术研究

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1、ะӄᐤ࠼䐥Ⲻᢡᨅᕅ◶п㔪ᡆ܅ީ䭤ᢶᵥ⹊ガぼి᱕2016ᒤ1ᴸѣഴ࠼㊱ਭφTH74UDC࠼㊱ਭφ620ะӄᐤ࠼䐥Ⲻᢡᨅᕅ◶п㔪ᡆ܅ީ䭤ᢶᵥ⹊ガ㘻ဉ੃ぼి᱕ᆜ䲘੃〦⭫ᆜ䲘᤽ሲᮏᐾ䜓㗚ᮏᦾㆊ䗟ည઎Րѱᑣ䎫㔪䉜ᮏᦾ⭩䈭ᆜփᐛᆜ⺋༡ᆜ〇щѐԠಞ〇ᆜфᢶᵥᆜփᦾҾঋփ्Ӣ⨼ᐛཝᆜ䇰ᮽㆊ䗟ᰛᵕ2016ᒪ1ᴾResearchofKeyTechniquesinScanningLaser3DImagingBasedonDifferentialOpticalPathTechnologyCandidateName˖MuJiaxingSchoolorDepartment:SchoolofOptoelectronicsF

2、acultyMentor:Prof.HaoQunChair,ThesisCommitteeφProf.ZhaoWeiqianDegreeApplied:MasterofEngineeringMajorφInstrumentScienceandTechnologyDegreeby:BeijingInstituteofTechnologyTheDateofDefence˖Juanary,2016⹊ガᡆ᷒༦᱄ᵜӪ䜁䟽༠᰾˖ᡰᨀӔⲴᆖս䇪᮷ᱟᡁᵜӪ൘ᤷሬᮉᐸⲴᤷሬл䘋㹼Ⲵ⹄ウᐕ֌㧧ᗇⲴ⹄ウᡀ᷌DŽቭᡁᡰ⸕ˈ᮷ѝ䲔⢩࡛ḷ⌘઼㠤䉒Ⲵൠᯩཆˈᆖս䇪᮷ѝнवਜ਼ަԆӪᐢ㓿ਁ㺘ᡆ᫠߉䗷Ⲵ⹄ウᡀ᷌ˈҏнवਜ਼Ѫ㧧ᗇेӜ

3、⨶ᐕབྷᆖᡆަᆳᮉ㛢ᵪᶴⲴᆖսᡆ䇱Җᡰ⭘䗷ⲴᶀᯉDŽоᡁа਼ᐕ֌Ⲵਸ֌㘵ሩ↔⹄ウᐕ֌ᡰڊⲴԫօ䍑⥞൷ᐢ൘ᆖս䇪᮷ѝ֌Ҷ᰾⺞Ⲵ䈤᰾ᒦ㺘⽪Ҷ䉒᜿DŽ⢩↔⭣᰾DŽㆮ਽˖ᰕᵏ˖ेӜ⨶ᐕབྷᆖ⺅༛ᆖս䇪᮷᪎㾷◰й㔤ᡀۿԕ৏⨶ㆰঅǃѫࣘ䶎᧕䀖᧒⍻ǃؑ᚟ѠᇼㅹՈ࣯൘㡚オǃ㡚ཙǃ⧟ຳⴁ᧗ǃൠ䍘⍻㔈ǃᮠᆇ෾ᐲᔪ⁑ㅹ亶ฏᴹ⵰ᒯ⌋Ⲵᓄ⭘DŽⴞࡽⲴ◰й㔤ᡀۿสᵜ䜭ᱟ൘◰ۿᡀⲴᇊа䗷䙊к⹰สⲴ䐍⍻ᯩᔿᶕ䘋㹼᧒⍻ˈሩ∄ഭ޵ཆ⹄ウ⧠⣦ˈᡁഭѫ㾱ᆈ൘⍻䐍㋮ᓖ䖳վǃᡀۿ࠶䗘⦷оᡀۿ᭸⦷н儈фᰐ⌅㧧ਆབྷ䶒䱥APD᧒⍻ಘⲴ䰞仈ˈ䪸ሩ䘉Ӌ䰞仈ˈᵜ᮷䇮䇑Ҷа⿽สҾᐞ࠶䐟എ⌒᧕᭦оMOEMSᢛ᧿ᡀڊ䶒ᯩ⦷᭸ۿᡀоᓖ㋮䐍⍻㔏㌫儈ᨀ൘ˈ㔏㌫ۿᡀ㔤й◰Ⲵ

4、ਸ㔃⴨ۿҶаӋᴹ⳺᧒㍒ˈާփᆼᡀҶєᯩ䶒Ⲵᐕ֌˖1ˊ࠶᷀⧠ᴹ◰ؑ⿫䐍᮷ᵜѪ֌⌅ߢ㜹Ⲵۿᡀ㔤й◰Ҿ⭘䘲ᤙ䘹ˈ⌅ᯩ䐍⍻᚟Ⲵ㧧ਆᯩᔿˈ࠶᷀㜹ߢ⌅㋮ᓖн儈Ⲵ৏ഐˈѫ㾱ᱟഎ⌒ᰦ࡫䢤࡛㋮ᓖн儈ˈ䈮仈㓴ᨀࠪа⿽สҾᐞ࠶◰ߢ㜹Ⲵ⌅ᯩ䐟⍻䐍ᯩ⌅ˈ䈕ᯩ⌅䙊䗷ৼ䙊䚃᧕᭦എ⌒ᒦ䘋㹼ᐞ࠶༴⨶ˈሶՐ㔏Ⲵጠ٬ᰦ࡫䢤࡛䖜ॆѪ䗷䴦⛩ᰦ࡫䢤࡛ˈ㜭ཏᨀ儈㌫㔏⚥᭿ᓖˈᣁࡦ㛼Ჟಚ༠ˈӾ㘼ᨀ儈ؑಚ∄ˈᨀ儈⍻䐍㋮ᓖDŽ൘⨶䇪оԯⵏ࠶᷀лˈ䇮䇑ᒦᩝᔪҶᇎ䱵Ⲵ⍻䐍㌫㔏ˈ俆傼䇱Ҷᴰ⚥᭿ᓖоᐞ࠶䐍⿫Ⲵޣ㌫DŽ൘ᴰ⚥᭿ᓖᶑԦлˈ䙊䗷ᇎ傼ሩ∄Ր㔏ᯩ⌅о䐟ᐞ࠶ᯩ⌅Ⲵ⍻䐍㔃᷌ˈ൘⴨਼㛼Ჟಚ༠ᛵߥлˈสҾ䐟ᐞ࠶ᯩ⌅Ⲵ⍻䐍䈟ᐞⲴ൷ᯩṩ⭡95mm߿ሿ㠣70mmˈ䱽

5、վ㠣73.7%DŽ2ˊMOEMSԕަփ〟ሿǃ㋮ᓖ儈ǃ䙏⦷ᘛㅹՈ࣯ᱟлаԓ◰й㔤ᡀۿᢛ᧿ᢰᵟⲴਁኅᯩੁˈᵜ᮷൘⹄ウMOEMSᐕ֌ᵪ⨶Ⲵส⹰кˈ䇮䇑ҶสҾMOEMSᢛ᧿ಘԦⲴᢛ᧿◰й㔤ᡀۿ㌫㔏ˈ䝽㖞ҶMOEMS⺜Ԧ৺ཆത᧗ࡦ⭥䐟ˈሩᢛ᧿᧗ࡦ㇇⌅䘋㹼Ҷ⹄ウо䇮䇑ˈ䇮䇑ᵪỠ㔃ᶴᒦᩝᔪᇎ傼㌫㔏ˈสҾ䈕㌫㔏䘋㹼Ҷй㔤ᢛ᧿ᡀۿᇎ傼ˈ䙊䗷䈳㢲ᢛ᧿↕䮯ˈ㜭ཏ㧧ਆⴞḷ␵Რമڊ⦷᭸ۿᡀ㔏㌫㔤й◰儈ᨀѪˈۿҶᴹ⳺᧒㍒DŽޣ䭞䇽˖◰й㔤ᡀۿ˗䐟ᐞ࠶⍻䐍˗MOEMSᢛ᧿˗IेӜ⨶ᐕབྷᆖ⺅༛ᆖս䇪᮷AbstractLaser3Dimaginghasbeenwidelyusedinaviation,aerospace,envir

6、onmentalmonitoring,geologicalmapping,digitalcitymodelingandotherfieldsforitsadvantagesofsimpleprinciple,initiativenon-contactdetectionandabundantinformation,etc.Currentlaser3Dimagingisusuallydetectedbycertainimagingmodesbasedonthebasisoflaserranging.Comparingtheresearchstatusathomeandabroad,lowrangi

7、ngaccuracy,lowimagingresolution,lowimagingefficiencyandunabletogetlargeformatofAPDdetectorarethemainlyproblemexistedinourcountry.Tosolvetheseproblems,thisthesishasdesignedalaser3Dimagingsystemthroughd