Experimental Estimation of Frequency-Contrast Characteristics of Active Pulsed Television Systems under Conditions of Enhanced Turbidity of Aerosol Media

Results of laboratory experiments on studying the influence of scattering and absorbing media on the quality of object imaging with active pulsed television optoelectronic systems (OESs) are discussed. It is shown that the quality of object images in active pulsed vision systems or their frequency-c...

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Bibliographic Details
Published in:Atmospheric and oceanic optics 2019, Vol.32 (1), p.103-107
Main Authors: Belov, V. V., Gridnev, Yu. V., Kapustin, V. V., Kozlov, V. S., Kudryavtsev, A. N., Kuryachii, M. I., Movchan, A. K., Rakhimov, R. F., Panchenko, M. V., Shmargunov, V. P.
Format: Article
Language:English
Subjects:
Backscattering
Fourier transforms
Image contrast
Image quality
Imaging techniques
Lasers
Optical Devices
Optical Instrumentation
Optics
Optoelectronics
Photonics
Physics
Physics and Astronomy
Television
Television systems
Turbidity
Vision systems
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Summary:Results of laboratory experiments on studying the influence of scattering and absorbing media on the quality of object imaging with active pulsed television optoelectronic systems (OESs) are discussed. It is shown that the quality of object images in active pulsed vision systems or their frequency-contrast characteristics can be studied both by direct measurements or indirectly using Fourier transforms of test object images or derivatives of functions determined in experiments. A previously formulated theoretical statement that the image quality for objects screened by turbid media when using active pulsed OESs with backscattered noise signal selection can be higher almost by an order of magnitude than when using an OES operating with laser side illumination and constantly opened receiver has been confirmed experimentally.
ISSN:1024-8560
2070-0393
DOI:10.1134/S1024856019010044