Oct.2010:1007-1180(2010)10-0070-03(,130033):,,。,。,,。0.3μm,2μm。:;:TP212.1:ADOI:10.3788/OMEI20102710.0070LaserDisplacementSensorUsinginShapeMeasurementZHUWan-bin(StateKeylaboratoryofAppliedOptics,ChangchunInstituteofOptics,FineMechanicsandPhysics,ChineseAcademyofSciences,Changchun130033,China)Abstract:Laserdisplacementsensordisplacementmeasurementisanon-contactmeasurementwithmoreprecisionandawiderangeofapplications.Inthispaper,alaserdisplacementsensormeasurestheworkpiecepointsontwo-dimensionalandachievestheobjectshapehigh-precisionmeasurement.Laserdisplacementsensorisdriventoscansurfacesthroughtheone-dimensionalelectricdisplacementplatform,andthenthemeasurementdataisprocessed,further,theobjectthesurfacemorphologyisrecoveredaccordingtodataprocess.Thedisplacementsensorresolutionis0.3μm,one-dimensionalelectricdisplacementplatformrepeatedpositioningaccuracyishighthan2μm.Keywords:super-resolution;imageprocessing;maximumaposteriori*:(27-2009),(20080339)OMEInformation2710Vol.27No.1070Oct.2010,、、[1]。。,。,。,[2]。,,,。,。22.1,:,,,,CCDPSD(),。,,。1。2.22:,,,。3。X,Y,X,,。Y,,Y。X,,,65536,,X。1θ1θ2axbθ3x′3XYOMEInformation2710Vol.27No.10271Oct.2010、、。KysanElectronics()35BYG002,0.02mm,0.3mm;KeyenceLK-G80,80mm,±15mm,50kHz,0.3μm。,1.636641μm。3.14。,,。Excel,。,1,。2,。3.2。,Y。,,,。,,,[3]。,。,,90°,,。,。4,。,,,。4xyxy[1],,.[J].·,2006,17(5):604-607.[2],.[M].:,1998.[3],,,.[J].,2001,22(1):21-23.:(1963-),,,,,,1987(),。E-mail:wanbinzhu@163.comOMEInformation2710Vol.27No.1072