Currently, the main communication means and management of the participants behavior in mass events, including unauthorized ones, are portable mobile devices, through which, in the social network framework a, text mess...
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The problem of breakdown effect, also called multiphactor, in on-board equipment of satellite communication systems is considered. This negative effect affects the reliability of onboard devices of high radiation powe...
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ISBN:
(纸本)9781728106069
The problem of breakdown effect, also called multiphactor, in on-board equipment of satellite communication systems is considered. This negative effect affects the reliability of onboard devices of high radiation power and hinders the development of radio-electronic equipment for space applications in general. The breakdown effect mechanism is carried out. We show the specifics of breakdown effect in strip and coaxial components of satellite electronic equipment and also discuss how to prevent a possible discharge in on-board equipment.
the article presents a theoretical and experimental study, the purpose of which is to confirm the performance and efficiency (availability in terms of the signal-to-noise ratio) of the previously developed algorithms ...
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ISBN:
(纸本)9781728106069
the article presents a theoretical and experimental study, the purpose of which is to confirm the performance and efficiency (availability in terms of the signal-to-noise ratio) of the previously developed algorithms for compensating for dispersion distortion of broadband signals in the decameter band, embedded in a digital analysis-synthesis filter bank.
New On-boardsystems using Big Data volume. For Big Data transmission it is useful WDM technology. Upon transition to new generation telecommunication networks it is important to have management and supervision for al...
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ISBN:
(纸本)9781728106069
New On-boardsystems using Big Data volume. For Big Data transmission it is useful WDM technology. Upon transition to new generation telecommunication networks it is important to have management and supervision for all network levels. It is very important to know future monitoring system characters. In this article we use imitation modeling for WDM parameters monitoring and IP over WDM signal transferring.
This paper describes a blind two real signals separation method. Blind separation implies that there is no information about the signals except for received samples. This eliminates the presence of a systematic error ...
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ISBN:
(纸本)9781728106069
This paper describes a blind two real signals separation method. Blind separation implies that there is no information about the signals except for received samples. This eliminates the presence of a systematic error in determining the stirring matrix and the restoration of the original signals. As a criterion for the separation of signals in this paper, the cumulants of the second and third orders of the output signals were reduced to zero. To test the performance of the method, mixing and separation model was created, and the efficiency of the method was tested at various power levels of the intrinsic noise in the receiving channels.
A method for solving time-consuming tasks on parallel computing systems based on a combination of heuristic algorithms is described. An algorithm of polynomial complexity has been proposed and investigated, which in r...
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ISBN:
(纸本)9781728106069
A method for solving time-consuming tasks on parallel computing systems based on a combination of heuristic algorithms is described. An algorithm of polynomial complexity has been proposed and investigated, which in real time determines a rational combination of heuristic algorithms for solving the problem and the order of assigning these algorithms to the elements of a parallel computing system.
To transfer short message traffic on the basis of both wired and optical communication systems, from the content provider to the client, an SMS message aggregator is required. This aggregator works accordingly to cert...
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ISBN:
(纸本)9781728106069
To transfer short message traffic on the basis of both wired and optical communication systems, from the content provider to the client, an SMS message aggregator is required. This aggregator works accordingly to certain scenarios, which are defined in control systems and have components, based on which, besides control and load balancing, the aggregator itself is scaled.
Modern moving objects like motor vehicle, train, ship, plane and others are equipped by large quantity of apparatus and electronic devices, that are exposed to influences of external electromagnetic fields and that ar...
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ISBN:
(纸本)9781728106069
Modern moving objects like motor vehicle, train, ship, plane and others are equipped by large quantity of apparatus and electronic devices, that are exposed to influences of external electromagnetic fields and that are existed in environment. The powerful source of electromagnetic field near earth surface and inside moving objects are lightning strokes. Its field can induce sizeable interferences in lines, circuits, devices of control and driving.
The Shannon performance express-evaluation algorithm is considered on the assumption that network interfaces Fast Ethernet signal transmission cable channel is constructed on electrically conductive symmetrical hardwa...
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In the modern world, image transmission, including transmission of television and video signals, is carried out using a preliminary and restorative correction according to the law, which was due to the use of imaging ...
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ISBN:
(纸本)9781728106069
In the modern world, image transmission, including transmission of television and video signals, is carried out using a preliminary and restorative correction according to the law, which was due to the use of imaging devices on cathode ray tubes. This law differs from the law of dependence of the visibility threshold of a visual stimulus on its magnitude, but continues to be used for compatibility reasons. Therefore, in the work, instead of linearizing the sensations of the quantization scale of a television signal, it is proposed to optimize the choice of code combinations for image transmission. This approach can be effective in television systems without compression of video information with losses, for example, for transmitting signals over short distances or in channels for transmitting signals of the image of Earth remote sensing systems
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