В результате анализа результатов идентификации объектов при проведении подводного поиска в статье в интересах повышения эффективности телекоммуникаций предложены пути, направленные на улучшение качества видеоинформации от телевизионных систем подводного видения. Для этого исследованы причины, снижающие контраст изображения от телекамер, и выполнен расчёт яркости помехи обратного рассеяния как главного фактора поражения видеоинформации в зависимости от угла засветки подводных световых приборов. В качестве вывода предложены пути увеличения дальности подводного видения, одним из которых является применение в качестве источников освещения лазерных систем, что существенно уменьшит углы засветки. Научно обоснованные результаты в совокупности с другими техническими решениями, приведенными в статье, позволят увеличить дальность видимости телекамер, размещаемых на подводных аппаратах. Это обеспечит возможность проведения подводного поиска объектов на гораздо больших отстояниях от грунта, повысит их поисковую производительность и снизит риски навигационных аварий в режиме придонного плавания. As a result of the analysis of the results of object identification during underwater search, the article proposes ways to improve the quality of video information from underwater vision television systems in order to increase the efficiency of telecommunications. To do this, the reasons that reduce image contrast from the cameras were investigated and the brightness of backscattering interference was calculated as the main factor of video information damage, depending on the illumination angle of underwater light devices. As a conclusion, there are presented ways of increasing the range of underwater vision, one of which is the use of laser systems as illumination sources, which will significantly reduce the illumination angles. Scientifically based results together with other technical solutions given in the article will increase the range of visibility of television cameras placed on underwater vehicles. This will ensure the possibility of conducting an underwater search of objects at much greater distances from the ground, increase their search performance and reduce the risks of navigation accidents in the bottom sailing mode.
показана возможность многопараметрической и, соответственно, многокритериальной многофазной оперативной комплексной оценки качества радиолинии метеорной связи на ультракоротких волнах, состоящая в том, что оперативная технологическая оценка качества высокочастотного аналогового канала связи должна быть выработана в течение нескольких микросекунд, а образовавшегося дискретного канала передачи данных ‒ в течение нескольких миллисекунд. Так как процесс многофазный, время выработки интегрального критерия о пригодности радиолинии метеорной связи к телекоммуникации и возможности её использования в инфотелекоммуникациях строго ограничено в каждой фазе этого процесса, поэтому оперативный технологический контроль и комплексная оценка качества позволяют выработать интегральную оценку за минимально возможное время с минимально возможной погрешностью. Предложен вариант структурно-функциональной схемы радиолинии метеорной связи на ультракоротких волнах, обеспечивающей фрагментацию-дефрагментацию потока передаваемых информационных данных. Также подробно рассмотрен такой из качественных показателей, как помехоустойчивость радиолинии, от которого непосредственно зависит пропускная способность канала, приведены соотношения, из которых следует, что вероятность ошибки при заданной скорости передачи может быть уменьшена более чем на порядок или во столько же раз может быть увеличена средняя скорость передачи при заданной помехоустойчивости the paper shows the possibility of multi-parameter and, consequently, multi-criteria multiphase rapid complex quality assessment of meteor radio communication line at ultra-short waves. It is that the operational technological quality assessment of the high-frequency analog communication channel should be worked out within a few microseconds, and the formed discrete data transmission channel – within a few milliseconds. As process is multiphase, time of development of integral criterion of suitability of meteor communication radio line for telecommunication and possibility of its use in infotelecommunication is strictly limited in each phase of this process, therefore operational technological control and comprehensive quality assessment allow to develop an integral assessment for the minimum possible time with the minimum possible error. The article proposes a variant of the structural and functional diagram of the meteor communication radio line on ultrashort waves, which provides fragmentation-defragmentation of the stream of transmitted information data. The authors also focus on such a qualitative parameter as noise immunity of radio line, which directly influences on the channel bandwidth, ratios are given, from which it follows that the probability of error at a given transmission rate can be reduced by more than an order of magnitude or the average transmission rate can be increased by the same number of times at a given interference immunity
The intensive development of autonomous underwater robotic complexes is very important for the development of the World Ocean. One of the main problems of using underwater robotic complexes is an increase searching efficiency of underwater devices based on the integration of the capabilities of onboard radio-electronic systems of obtaining information in various physical fields. Analyzing the physical basis of the search, including the consideration of the environment of its conduct, objects, as well as detection tools, it can be noted that the result of the search operations of the same objects in the same water areas for various underwater robotic complexes depends on what means of detection they are equipped. The presence of a certain set of the technical means will specify the development of the optimal sequence of actions of the search algorithm. The creation of such algorithms in relation to the task of increasing the search potential of underwater robotics will determine the direction of the research that ensures the formation of an optimal system of underwater search. Efficient use of search resources substantiates the conclusion that radio-electronic means of submersibles forming the system of underwater search, include the number of devices functionally interconnected for its effective conduct. The specified combination is aimed at the formation of the so-called integrated search system, which provides an exchange of information between different channels of searching devices about all objects detected. The article provides proposals for the creation of integrated search systems taking into account practical experiments and experience in designing underwater vehicles capable to implement the optimal system of underwater search using laser technologies.
В качестве альтернативы кабелю, авторами предложена методика управления с применением лазерной связи. Предлагаемые авторами решения позволят расширить возможности обмена информацией в гидросфере между подводными аппаратами. As an alternative to the cable, the authors have proposed a control technique based on the use of laser communication. The solutions proposed by the authors will expand the possibilities of information exchange in the hydrosphere between underwater vehicles.
Laser lighting systems in comparison with traditional submarine devices in the form of spotlights have a significant advantage. Their use provides an increase in the distance of underwater vision of television systems in underwater robotic complexes and, as a result, increasing their search efficiency. The article is aimed at examining the potential of laser illuminators optimal application by taking into account the hydrooptical characteristics of aqueous media affecting the weakening of the light flux generated by it, and the wavelength of the laser radiation. The results of studies presented on graphs and in tables make it possible to provide the arguments for the idea of the expediency of transition to laser technologies to optimize the underwater search of objects at any operating depths.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
customersupport@researchsolutions.com
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.