Đo lường quang học P11

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Đo lường quang học P11

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Fringe Analysis In Chapters 3 and 6–9 we have given a description of classical interferometry, holographic interferometry, moir´ , speckle and photoelasticity. The outcome of all these techniques is e a set of fringes called interferograms. For many years, the analysis of these interferograms has been a matter of manually locating the positions and numbering of the fringes. With the development and decreasing cost of digital image processing equipment, a lot of effort has been made into what is termed digital fringe pattern measurement techniques....

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