雷達運行狀態(tài)數(shù)字顯示信息識別系統(tǒng)的理論研究.pdf

1、中國民用航空學(xué)院碩士學(xué)位論文雷達運行狀態(tài)數(shù)字顯示信息識別系統(tǒng)的理論研究姓名：魯旭虎申請學(xué)位級別：碩士專業(yè)：通信與信息系統(tǒng)指導(dǎo)教師：蔣立輝20050220!鬯墮生墮!蘭墮壁!：蘭蘭——ABSTRACTThepaperhasallresearchontheoryforradar、~orkingstatusnumberdisplainformationrecognitionSystem，andmainlyintroducedthreekind

2、sel’methodstowardsnumberinformationrecognition：templatematchingmethodEuclideandistanceMethodandneuralnetworkBPalgorithmThethreealgorithmsandtheoriesaredin、erent，whilerecognitionprocessesandaimsarcsameThepaperfirstQOtl’ee

3、lsloppingdegreeoflnumberinformation，removeimagenoisethatthereflectionlightsresultin，andchangeapaperofcolorimageintograyimage，thenprocessthembefoehand，furthermore，thetypicallysinglenumberimagefeatut’eisexitactedFinallynum

4、berimagecanberecognizedbythreekindsol’methodabox’Candhas。contrastto、^ardsthemthencanacquireindix，idualad＼antageanddisadxantageinoreover，andproposeimproxelnenlmctilodforthenIIntemplatematchingmethod，numberimageinformation

5、canbelee：ned[1nJextractedfronlbackgroundbythresholdb1、alenc)，Inthefirsttime，ho]‘izontMbe]’dcl‘iscutapart，andnumbercharacterimageal‘cacanbecutaparteachothertObcconlcsinglenumberimageb)statisticsprojectionhistgrammethodSin

6、glenanlkrimageisthinnedandthenlOStclearisselectedasstandardtemplate，thenrecognizedinputnumberinaagebytemplatematchingmethodEstablishingpropelljmaxinlunlsimilarthresholdandmininmmerrorprobabilitythresholdcanassuretherequi

7、j’elnentforaccuraterecognitionrateEuclideanDistanceandBPalgorithmrecognitionbothusenumberinformationarealocatingandcuttingmethodtoextractnumberinformationareaandtheycanbeseparatedeachotherbystatisticsperpendicularproject

8、ionhistgrammethod‘tobecomesinglenumbercharacterimagefuahermorethetypicalnumbercharacter10aturecanbeextractedb3DEF(directionelemen!feature)Finall3theinputniinlbcI‘imagecanberecognizedbythetwomethodsaboveRecognitionratefor

9、numbercharacterisincreasedbyintroducingconfidencefunctionandanalzingtherecognitionresultResearchonnumberinformationrecognitiontechnolog)inthepaperhasgreattheorymeaningandpracticalapplicationvalueKeywords：NumberInfomaatio