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 Wysłany: Śro 3:34, 02 Lut 2011 Temat postu: ugg italia Move spectrum to improve imaging resolu |
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Move spectrum to improve imaging resolution of the experimental method of
ctronicScienceandTechnologyofChina ,2006:5-27) Pengren Jun, Wu Jian, Deng Rong. Fringe method to improve imaging resolution of the experimental study EJ]. Laser and Particle Beams, 2006,18 (11) :1802-1804. (PengRenjun, WuJian,[link widoczny dla zalogowanych], DengRong.Experimentalinvestigationofimprovingimageresolutionwithfringefield: HighPowerLaserandParticleBeams,[link widoczny dla zalogowanych], 2006,18 (11) :1802-1804) Su Yu, Li Tao. Information Optics J-M]. Beijing: Science Press, 1999. (SuXianyu,[link widoczny dla zalogowanych], LiJitao.Informationoptics.Beijing: SciencePress, 1999) ExperimentalinvestigationofimprovingimageresolutionbyspectrumshiftingChenWei, LiQuan, WangYangui, WangXiaowei, HuXiaojing (CollegeofScience,[link widoczny dla zalogowanych], NationalUniversityofDefenseTechnology, Changsha410073, China) Abstract: Highfrequencieeyondthecut ~ offfrequencycouldpassthroughimagingsystemsafterspectrumshifting. whichisoneofhighresolutionimagingtechnologies. Theeffectofthistechnologyisobviouutdifficulttoachieve. Toverifyitsfeasi-bilityandprovidereferencesforpracticalapplication, anexperimentalschemehaeenputforward. Inthisscheme, thestripefieldoflaserinterferenceisreplacedbyacosinegrating, andtheimagingsystemisconstitutedbyaCCDcameraandaone-dimen-sionallow-passfilterimplementedbysoftware. ForthestripefieldhastObemovedseveraltimesequidistantlyinonecycle,[link widoczny dla zalogowanych], inthisscheme, themotionofthestripefieldisreplacedbythetranslationofthecosinegrating. Duringtheexperiment, thecosinegrat-ingwastranslatedfourtimesinonecycle, thenthehighresolutionimageoftheobjectwasreconstructedbyprocessingfourpic-turescapturedbytheCCDcamera. Theexperimentresultshowsthatthismethodisfeasibleandcanimproveimageresolutionsig-nificantly. Keywords: spectrumshifting; cutofffrequency; cosinegrating; low-passfilter
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