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The News of Altai State University
Print ISSN 1561-9443
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Content of 1-2(73) 2012
Management, Computer Facilities and Computer Science
Mathematics and Mechanics
Management, Computer Facilities and Computer Science

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S.P. Pronin, E.A. Zryumov, P.A. Zryumov

Researching Contrast Change in the Vibrating Pair Strokes Image By Means of the CCD-Photodetector

The initiation of zero contrast is analyzed at vibration of pair parallel strokes with various spatial frequencies across an optical axis by means of the CCD-photodetector. The formula used to calculate the contrast in the strokes’ image is specified. It is established that O’Neil theory coincides with the experimental results received by means of the CCD-photodetector when stroboscopic effect is available and time of exposition is equal to period of the frame.
Key words: structure of the optical image, frequency-contrast characteristic, contrast, CCD-photodetector, stroboscopic effect.

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