Transmission of Optical Beams through the Atmospheric Channel; Actual Problems of Electronic Instrument Engineering (APEIE)

Transmission of Optical Beams through the Atmospheric Channel; Actual Problems of Electronic Instrument Engineering (APEIE)

Chi tiết về thư mục
Parent link:	Actual Problems of Electronic Instrument Engineering (APEIE).— 2021.— [P. 365-370]
Tác giả của công ty:	Национальный исследовательский Томский политехнический университет Инженерная школа ядерных технологий Отделение ядерно-топливного цикла
Tác giả khác:	Abramova E. S. Evgenia, Pavlova M. S. Mariya Sergeevna, Abramov S. S. Sergey Stepanovich, Pavlov I. I. Ivan Ivanovich, Myshkin (Mishkin) V. F. Vyacheslav Fedorovich, Khan V. A. Valery Alekseevich
Tóm tắt:	Title screen Based on the review and analysis of well-known scientific works in the field of wireless optical communication, the results of calculating the volumetric scattering coefficients of haze for a visibility range of 10 km are presented, also the article talks about predicting the most likely refractive values. The refraction forecast must meet two main requirements: to provide information on the most favorable “refractive weather” at the location of the optical system for a particular purpose and to provide the most optimal operating mode and the introduction of the necessary corrections. In accordance with this, two types of forecast can be distinguished - long-term and short-term. Estimates of the influence of scattering on the atmospheric path on the contrast of distant objects show that absorbing aerosol leads to a slight change in contrast, and the visibility decreases, understood as the ratio of the luminous flux to the threshold luminous flux for human eyes or a measuring device. The scattering aerosol causes a veil (background) to appear, and therefore a decrease in contrast and a decrease in visibility. This is due to the presence of a bright screen between the observer and the object. The side illumination of the absorbing aerosol does not lead to a significant change in the situation. Illumination of the scattering aerosol results in an additional reduction in contrast. Режим доступа: по договору с организацией-держателем ресурса
Ngôn ngữ:	Tiếng Anh
Được phát hành:	2021
Những chủ đề:	электронный ресурс труды учёных ТПУ refraction atmospheric channel scattering image contrast преломление атмосферные каналы рассеяние контраст изображений
Truy cập trực tuyến:	https://doi.org/10.1109/APEIE52976.2021.9647557
Định dạng:	Điện tử Chương của sách
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=668252

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