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year 28, Issue 2 (ICOP & ICPET 2022 2022)
ICOP & ICPET _ INPC _ ICOFS 2022, 28(2): 881-884 |
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sakha F, yeganeh M, rasuli S. Phase extraction of quasi parallel interference fringes, single fringe and closed fringes using one-dimensional continuous wavelet transform and Hilbert transform. ICOP & ICPET _ INPC _ ICOFS 2022; 28 (2) :881-884
URL: http://opsi.ir/article-1-2627-en.html
URL: http://opsi.ir/article-1-2627-en.html
1- urmia university
2- National Center for Laser Science and Technology of Iran
3- IASBS
2- National Center for Laser Science and Technology of Iran
3- IASBS
Abstract: (702 Views)
Abstract- Phase extraction is performed from interference patterns by different methods. Conventional methods such as Fourier and phase-shifting methods cannot be used on a single interference pattern having a small number of fringes without the use of modulation with a carrier spatial frequency. In this paper, the phase of quasi-parallel simulated interference fringes having a large number of fringes, a single fringe, and closed fringes, using the one-dimensional continuous wavelet method and Hilbert transform, is presented. Phase extraction for quasi-parallel fringes, even having a small number of fringes, is easily available with this method.
Type of Study: Experimental |
Subject:
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