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

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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.

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This work was supported by the Ministry of Education and Science of the Russian Federation (project no. 8.9562.2017/8.9) and Russian Foundation for Basic Research (project no. 16-42-700 072).

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Correspondence to V. V. Belov or Yu. V. Gridnev.

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Translated by A. Nikol’skii

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Belov, V.V., Gridnev, Y.V., Kapustin, V.V. et al. Experimental Estimation of Frequency-Contrast Characteristics of Active Pulsed Television Systems under Conditions of Enhanced Turbidity of Aerosol Media. Atmos Ocean Opt 32, 103–107 (2019).

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