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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 73-76 |
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Rashidi Y, Mahdiyeh M H, Jafarfard M R. Investigation of accuracy in characterization of rough surfaces by Fourier and Phase shifting techniques. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :73-76
URL: http://opsi.ir/article-1-1762-en.html
URL: http://opsi.ir/article-1-1762-en.html
1- Department of Physics, Iran University of Science and Technology, Narmak, Tehran, Iran
Abstract: (2404 Views)
In this paper, the measurement error of the Phase-shifting and Fast Fourier Transform (FFT) methods are obtained for different surface samples. According to the results, for surfaces in which the roughness changes are slow, FFT method is more accurate and for other roughness surfaces Phase-shifting technique is more appropriate.
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