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In the work offer method of adaptive choosing number channels in MIMO system with saving bit error probability under specified border. Method allow to work with small attitude signal/noise in mode with limited number parallel channels... more
In the work offer method of adaptive choosing number channels in MIMO system with saving bit error probability under specified border. Method allow to work with small attitude signal/noise in mode with limited number parallel channels transfer.
Research Interests: Computer Science and MIMO
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The aim of the article is to examine the issue of eliminating quantization noise in the process of analogue-to-digital conversion by means of timing pulse code modulation. According to the results of the method proposed, it has... more
The aim of the article is to examine the issue of eliminating quantization noise in the process of analogue-to-digital conversion by means of timing pulse code modulation. According to the results of the method proposed, it has established that the use of timing modulation significantly increases the number of sampling levels at a given interval without reducing the duration of individual code pulses, that, in its turn, significantly improves signal quality (readability) after the digital-to-analogue conversion on the receiving side.
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A method of complex analysis and multidimensional forecasting of the state of intelligence objects is proposed to increase the accuracy of their state assessment. The object of research is decision support systems. The subject of research... more
A method of complex analysis and multidimensional forecasting of the state of intelligence objects is proposed to increase the accuracy of their state assessment. The object of research is decision support systems. The subject of research is the process of decision-making in management problems using artificial intelligence methods. The hypothesis of research is to increase the efficiency of decision-making with a given assessment reliability. The proposed method is based on a combination of fuzzy cognitive and temporal models, an advanced cat swarm optimization algorithm and evolving artificial neural networks. The method has the following sequence of actions: ‒ input of initial data; ‒ processing of initial data taking into account uncertainty about the state of heterogeneous intelligence objects; ‒ construction of a fuzzy temporal ontological model of heterogeneous intelligence objects; ‒ conclusion on the state of heterogeneous intelligence objects; ‒ correction of the fuzzy tem...
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Analysis of the experience of the russian-ukrainian war shows that the issue of collecting trophy samples of weapons and military equipment has not been investigated. This determines the relevance of conducting research on the specified... more
Analysis of the experience of the russian-ukrainian war shows that the issue of collecting trophy samples of weapons and military equipment has not been investigated. This determines the relevance of conducting research on the specified issue. The article analyzes the requirements of the governing documents regarding the procedure for collecting trophy samples of weapons and military equipment. Inconsistencies in approaches to the collection of trophy samples of armament and military equipment have been identified, which must be resolved. Decomposition of the existing system of collection of trophy samples of armament and military equipment of groups of troops (forces) was carried out, functional relationships between the elements of the system were studied, which made it possible to substantiate the indicators and develop a methodology for evaluating the effectiveness of the system of collecting trophy samples of weapons and military equipment of groups of troops (forces). In the c...
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The most characteristic features of the construction of communication systems of groups of troops (forces) during the conduct of hostilities (operations) are a high degree of a priori uncertainty regarding the operational situation and a... more
The most characteristic features of the construction of communication systems of groups of troops (forces) during the conduct of hostilities (operations) are a high degree of a priori uncertainty regarding the operational situation and a small amount of initial data for communication planning. In such conditions, it is important to correctly choose the apparatus for evaluating the made management decisions, which will allow the officials of the bodies (points) of the control system of the communication system of the groups of troops (forces) to be confident in the decisions being made. That’s why the issue of increasing the efficiency of the distribution of forces and devices of communication of groups of troops (forces) in the course of operations is an important issue. The object of the research is the communication system of the group of troops (forces). The subject of the study is the effectiveness of the communication system of the group of troops (forces) in accordance with th...
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The algorithm to train artificial neural networks for intelligent decision support systems has been constructed. A distinctive feature of the proposed algorithm is that it conducts training not only for synaptic weights of an artificial... more
The algorithm to train artificial neural networks for intelligent decision support systems has been constructed. A distinctive feature of the proposed algorithm is that it conducts training not only for synaptic weights of an artificial neural network, but also for the type and parameters of membership function. In case of inability to ensure the assigned quality of functioning of artificial neural networks due to training of parameters of artificial neural network, the architecture of artificial neural networks is trained. The choice of the architecture, type and parameters of membership function occurs taking into consideration the computation resources of the facility and taking into consideration the type and the amount of information entering the input of an artificial neural network. In addition, when using the proposed algorithm, there is no accumulation of an error of artificial neural networks training as a result of processing the information entering the input of artifici...
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Aim of the article is to conduct an analysis of military communications systems that were used in the area of conducting antiterrorist operation in theDonetsk and Lugansk regions. The article analyzes the modern facilities of military... more
Aim of the article is to conduct an analysis of military communications systems that were used in the area of conducting antiterrorist operation in theDonetsk and Lugansk regions. The article analyzes the modern facilities of military communication, namely: military radiocommunication systems, military satellite communication systems, military systems of radio relay and tropospheric communication. The advantages and disadvantages of each type of communication are considered, the causes of their occurrence were considered, and the ways of solving these reasons in the future were substantiated. An analysis of the main technical characteristics of military communication systems, opportunities, advantages and disadvantages has been conducted. The perspectives for the development of military communication systems have been determined on the basis of the analysis of the military facilities of communication used in the article, which are used in the region of the antiterrorist operation in...
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As the analysis of recent events in the East of Ukraine shows, radio communication is the transport basis for the construction of telecommunication networks of special purpose. In view of the above, the subject of study in the article are... more
As the analysis of recent events in the East of Ukraine shows, radio communication is the transport basis for the construction of telecommunication networks of special purpose. In view of the above, the subject of study in the article are the special radio communication systems, operating in a complex electronic environment. The purpose of this article is to develop a mathematical model for the effects of interference on systems of special radio communication. The tasks solved in the course of the study: a formal description of various types of noise that is used to suppress the systems of special radio communication; analytical representation of the probability of a bit error for signals with different types of modulation under the influence of the main types of deliberate disturbances; development of recommendations for increasing the noise immunity of special radio communication systems with different types of signal modulation under the influence of deliberate interference. In t...
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One of the most important characteristics of radiocommunication systems and facilities that operate in the conditions of radio-electronic suppression is their secrecy, which is the ability of systems and radio communications to withstand... more
One of the most important characteristics of radiocommunication systems and facilities that operate in the conditions of radio-electronic suppression is their secrecy, which is the ability of systems and radio communications to withstand the actions of radio-intelligence. Radiotechnical intelligence provides consistent execution of three main tasks: the detection of the fact of the operation of the system (devices) of radio communication (signal detection); determination of the structure of the detected signal and its basic parameters; disclosure of the information contained in the signal. Taking into account the Operations of the Joint Forces in the East of Ukraine caused by the armed aggression of the Russian Federation, an urgent question is raised regarding the analysis of the technical characteristics of the radio-electronic intelligence systems for determining the operation of the radiocommunication equipment of the Armed Forces of Ukraine and the structure of the type of sign...
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The article considers the current state and prospects of the development of communications systems of the armed forces of the Russian Federation and the USA. The basic means of radio, radio relay, satellite and wire communication are... more
The article considers the current state and prospects of the development of communications systems of the armed forces of the Russian Federation and the USA. The basic means of radio, radio relay, satellite and wire communication are considered. The ways of further development of communication facilities of technically developed countries of the world are determined.
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A method of integrated estimation of channel state in multiantenna radio communication systems was developed. The distinguishing feature of the proposed method is estimation for several indicators, namely the bit error probability in the... more
A method of integrated estimation of channel state in multiantenna radio communication systems was developed. The distinguishing feature of the proposed method is estimation for several indicators, namely the bit error probability in the channel, frequency and pulse response of the channel state. After obtaining of the channel estimate for each indicator, a generalized channel state estimate is formed. Formation of the channel state estimate for each of the estimation indicators takes place in a separate layer of the neural network using the apparatus of fuzzy sets after which a generalized estimate is formed at the neural network output. Development of the proposed method was determined by necessity to raise speed of estimation of the channel state in multiantenna radio communication systems at an acceptable computational complexity. According to the results of the study, it has been established that the proposed method makes it possible to increase speed of estimation of channel s...
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The scientific task, which is solved in the research, is the analysis of knowledge representation methods in intelligent decision-making support systems. The problem is explained by the fact that the form of knowledge representation... more
The scientific task, which is solved in the research, is the analysis of knowledge representation methods in intelligent decision-making support systems. The problem is explained by the fact that the form of knowledge representation significantly affects the characteristics and properties of the system. In order to operate all kinds of knowledge from the real world with the help of a computer, it is necessary to carry out their simulation. In such cases, it is necessary to distinguish knowledge intended for processing by computational devices from knowledge used by humans. In addition, with a large amount of knowledge, it is desirable to simplify the sequential management of individual elements of knowledge. A homogeneous representation leads to a simplification of the logic management mechanism and a simplification of knowledge management. The research is aimed at the analysis of knowledge representation methods in intelligent decision-making support systems. Currently, many models...
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Nowadays, no state in the world is able to work on the creation and implementation of artificial intelligence (AI) in isolation from others. AI technologies are used to solve general and highly specialized tasks in various spheres of... more
Nowadays, no state in the world is able to work on the creation and implementation of artificial intelligence (AI) in isolation from others. AI technologies are used to solve general and highly specialized tasks in various spheres of society. In the process of assessing (identifying) the state of complex objects and objects of management analysis, there is a high degree of a priori uncertainty regarding their state and a small amount of initial data describing them. At the same time, despite the huge amount of information, the degree of non-linearity, illogicality and noisy data is increasing. That is why the issue of improving the efficiency of assessing the condition of components and objects is an important issue. Thus, the objects of analysis were chosen as the research object. The subject of research is the identification and forecasting of the analysis object. In the research, the evaluation and forecasting method was developed using fuzzy cognitive maps. The features of the p...
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The object of the research is intelligent systems for collecting, processing and analyzing information about the state of national security. Investigated problem: The problem that is solved in the research is the problem of building... more
The object of the research is intelligent systems for collecting, processing and analyzing information about the state of national security. Investigated problem: The problem that is solved in the research is the problem of building intelligent systems for collecting, processing and analyzing information about the state of national security with limitations on the available computing resources, reliability and given speed of processing of various types of data circulating in it. The main scientific results obtained during the study by the authors are: proposed approach to the development of intelligent systems for the collection, processing and analysis of information on the state of the state's national security. The proposed approach takes into account the security of the system, available forces and means, purpose, system effect, method of formation, resource composition, structure, management, the process of functioning according to the purpose, resource consumption and the ...
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As a result of Russian aggression against Ukraine, some fundamental theses regarding the nature of hybrid military operations will require clarification and even revision. First of all, this refers to the widespread perception of the... more
As a result of Russian aggression against Ukraine, some fundamental theses regarding the nature of hybrid military operations will require clarification and even revision. First of all, this refers to the widespread perception of the asymmetric nature of hybrid threats as those used by a weaker adversary against a party with significantly greater military, technological and human potential, mainly by non-state actors against national states. This, in turn, requires the use of modern and proven mathematical apparatus, which is capable of processing a large array of various types of data in a short period of time with a given reliability of making management decisions. The object of research is the system of strategic management of national security. The subject of the research is the synthesis methodology of the intellectual system of strategic management of national security. The research developed a methodology for the synthesis of an intelligent national security management system...
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The problem that is being solved in the research is to increase the efficiency of decision-making in management tasks while ensuring the given reliability, regardless of the hierarchical nature of the object. The object of research is the... more
The problem that is being solved in the research is to increase the efficiency of decision-making in management tasks while ensuring the given reliability, regardless of the hierarchical nature of the object. The object of research is the decision-making support systems. The subject of the research is the decision-making process in management tasks using an improved cat flock algorithm. The research hypothesis is the possibility of increasing the efficiency of decision-making with a given assessment reliability. In the course of the research, an improved method of parametric optimization based on the improved algorithm of the cat flock was proposed. In the course of the research, the general provisions of the theory of artificial intelligence were used to solve the problem of analyzing the state of objects and subsequent parametric management in intelligent decision-making support systems. The essence of the method improvement lies in the use of the following procedures, which impro...
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The problem that is solved in the research is to increase the efficiency of assessing the state of the monitoring object while ensuring the given reliability, regardless of the hierarchy of the monitoring object. The object of research is... more
The problem that is solved in the research is to increase the efficiency of assessing the state of the monitoring object while ensuring the given reliability, regardless of the hierarchy of the monitoring object. The object of research is decision support systems. The subject of the research is the process of evaluating the monitoring object using bio-inspired algorithms. The hypothesis of the research is the need to increase the efficiency of the assessment of the state of the monitoring object with the given reliability. In the course of the research, an improved method of increasing the efficiency of decision-making based on bio-inspired algorithms was proposed. General provisions of artificial intelligence theory were used to solve the problem of analyzing the object state in intelligent decision support systems. The essence of improvement is to use the following procedures: − taking into account the type of uncertainty about the state of the monitoring object (full uncertainty,...
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The object of the research is a special-purpose communication system. The relevance of the research lies in the need for complex management of resources of special-purpose communication systems. The resources of the special-purpose... more
The object of the research is a special-purpose communication system. The relevance of the research lies in the need for complex management of resources of special-purpose communication systems. The resources of the special-purpose communication system are defined as: spatial, temporal, frequency and hardware resources. Destabilizing factors include: intentional interference; denial-of-service cyber attacks and fire damage to individual elements of the special-purpose communication system. The method of complex management of resources of special-purpose communication systems was improved. The difference between the proposed method and the known ones is that the specified method contains improved procedures: ‒ determination of the impact of destabilizing factors on the special-purpose communication system; ‒ description of special-purpose communication systems of various architectures; ‒ determination of the rational route of information transmission and operation mode of communicati...
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The object of research is a special-purpose radio communication system. A special purpose radio communication system is affected by many different destructive influences. The main ones are deliberate interference and cybernetic impact of... more
The object of research is a special-purpose radio communication system. A special purpose radio communication system is affected by many different destructive influences. The main ones are deliberate interference and cybernetic impact of various purposes. The above causes the search for new scientific approaches to identify and identify the destructive impact on special-purpose radio communications in order to increase the operational efficiency of special-purpose radio communications systems. In this work, the problems of developing a mathematical model for managing the radio resource of special-purpose radio communication systems based on the evolutionary approach are solved. In the course of the research, the authors of the work used the main provisions of the theory of artificial intelligence, the theory of automation, the theory of complex technical systems, as well as general scientific methods of cognition, namely analysis and synthesis. The proposed methodological approach w...
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The method of forecasting the time of overloading of data transfer routes in the mobile radio link (MRL), which is constructed using the neural network of Elman based on the calculation of the potential of neurons in the network is... more
The method of forecasting the time of overloading of data transfer routes in the mobile radio link (MRL), which is constructed using the neural network of Elman based on the calculation of the potential of neurons in the network is presented. The essence of the method is to make a decision on finding new routes based on the predicted time of overloading the data transfer routes in the MRL. This method allows predicting the time of overloading of data transfer routes in the MRL due to the reduction of the computational complexity of the neural network and the application of the algorithm for training the neural network.
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Nowadays, unmanned aerial systems are widely using to solve various tasks. The main element of any unmanned aviation complex is controlling and data transmission channels. Existing scientific achievements do not fully take into... more
Nowadays, unmanned aerial systems are widely using to solve various tasks. The main element of any unmanned aviation complex is controlling and data transmission channels. Existing scientific achievements do not fully take into consideration the effect of various destabilizing factors on the impedance of control and data transmission channels. In order to clarify the degree of influence of various destabilizing factors on the noise immunity of control channels and data transmission in the work, the authors developed a mathematical model of the MIMO system. The proposed model allows estimating the noise immunity of the MIMO system of unmanned aviation complexes under the influence of destabilizing factors. The difference between the developed model and the existing ones, which determines its novelty is that the proposed model is based on the new analytical relations for calculating the MIMO immunity index, which takes into consideration different types of intentional noise, selective signal fading, Doppler effect, inter-symbol interference, phase jitter and efficiency of the calculation of low signal/noise ratio in the channel. Using the proposed model allows analyzing the noise immunity of the MIMO system of unmanned aeronautical complexes and taking into consideration the influence of destabilizing factors. The proposed mathematical model of the MIMO system should be used to analyze the state of channels of unmanned aerial systems and to determine measures aimed at increasing the noise immunity of unmanned aerial systems channels.
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Modern military radio systems operate in the complex conditions of the electronic environment, due to the limited frequency range, the influence of deliberate interference and signal fading. One of the ways to improve the effectiveness of... more
Modern military radio systems operate in the complex conditions of the electronic environment, due to the limited frequency range, the influence of deliberate interference and signal fading. One of the ways to improve the effectiveness of military radio communication systems is to develop indicators (methods, techniques) for evaluating the effectiveness of military radio communication systems. The analysis found that known approaches to evaluating the performance of military radio communications systems are based on the use of bit error probability in a channel, which is a rather rough indicator of channel estimation. This necessitates the development of theoretical provisions for the transmission of discrete messages to military radio systems. In order to improve the known theoretical provisions for the transmission of discrete messages of military radio communication systems, the authors of the article developed indicators for assessing the quality of functioning of military radio...
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The experience of carrying out the Operation of the United Nations (antiterrorist operation) on the territory of Donetsk and Luhansk oblasts shows that the existing procedure for managing the channel and network resources of military... more
The experience of carrying out the Operation of the United Nations (antiterrorist operation) on the territory of Donetsk and Luhansk oblasts shows that the existing procedure for managing the channel and network resources of military radiocommunication systems does not meet the modern requirements, which are put forward for them. The choice of a route in special purpose networks with the ability to self-organize on the basis of specific parameters is the main problem for managing the channel and network resources of special-purpose networks, as well as the difficult task of climbing the network. In this article, the authors analyzed the existing mathematical apparatus for controlling channel and network resources of military radiocommunication systems. During the research, the authors of the article used the classical methods of scientific knowledge, namely, the methods of analysis and synthesis, the basic provisions of the theory of communication, methods of modeling of communicati...
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Providing information superiority over the enemy is becoming a prerequisite for conducting military operations. The main type of information support is military intelligence, and its basis is radio-electronic intelligence. During the... more
Providing information superiority over the enemy is becoming a prerequisite for conducting military operations. The main type of information support is military intelligence, and its basis is radio-electronic intelligence. During the analysis of the known scientific achievements in the direction chosen by the authors of the research it was established that at present there is no general methodology for assessing the capabilities of the forces and devices of radio-electronic intelligence for the information (reconnaissance) availability of electronic intelligence sources that is suitable for the use in automation devices of various control units, which connects separate indicators of information accessibility in generalized on the basis of the use of modern intelligence-information models. The authors of this research conducted a methodology for assessing the availability of radio-emission sources by the devices of radio-electronic intelligence. In the course of the research, the aut...
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Modern military radiocommunication systems are working in the difficult conditions due to the shortage of radio frequency resources, limited computing resources and the influence of the enemy radio-electronic suppression devices. One of... more
Modern military radiocommunication systems are working in the difficult conditions due to the shortage of radio frequency resources, limited computing resources and the influence of the enemy radio-electronic suppression devices. One of the ways to increase the noise immunity of military radiocommunication systems is to develop effective indicators, algorithms and methods for assessing the state of military radiocommunication systems. Nowadays, a large number of indicators for evaluating their effectiveness have been developed to evaluate military radiosystems, but their application is due to a number of limitations, that indicators with high precision are generally not used due to their high computational complexity, and those indicators having an acceptable computational complexity have low accuracy of evaluation. Therefore, in order to increase the protection of the security of military radio communication systems in the article, the authors developed a generalized indicator of t...
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The object of research is multi-antenna systems with spectrally efficient special purpose signals. The problematic issue, the solution of which is devoted to this research, is the improvement of immunity to interference of multi-antenna... more
The object of research is multi-antenna systems with spectrally efficient special purpose signals. The problematic issue, the solution of which is devoted to this research, is the improvement of immunity to interference of multi-antenna systems with spectrally efficient special purpose signals. A technique for improving the immunity of multi-antenna systems with spectrally efficient special-purpose signals under the influence of destabilizing factors has been developed. A distinctive feature of the proposed methodology is the use of an improved pre-coding procedure, evaluation of the channel state of multi-antenna radio communication systems with spectrally efficient signals by several indicators. The improved channel state estimation procedure consists in estimating channel bit error probability, channel state frequency response, and channel state impulse response. The formation of an estimate of the channel state for each of the assessment indicators takes place on a separate laye...
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The object of research is decision-making support systems. Local wars and armed conflicts of recent decades are characterized by high dynamics of operations (combat operations) and a significant amount of diverse information circulating... more
The object of research is decision-making support systems. Local wars and armed conflicts of recent decades are characterized by high dynamics of operations (combat operations) and a significant amount of diverse information circulating in information systems. These features determine the search for new approaches to increase the efficiency of decision-making support systems, given their reliability. This article solves the problem of developing a method of multicriteria evaluation in conditions of uncertainty. In the course of the research, the authors used the main provisions of the theory of artificial intelligence, automation theory, theory of complex technical systems and general scientific methods of cognition, namely analysis and synthesis. The proposed methodology was developed taking into account the practical experience of the authors of this work during the military conflicts of the last decade. The method of multicriteria evaluation is universal and can be used to assess...
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Accurate and objective object analysis requires multi-parameter estimation with significant computational costs. A methodological approach to improve the accuracy of assessing the state of the monitored object is proposed. This... more
Accurate and objective object analysis requires multi-parameter estimation with significant computational costs. A methodological approach to improve the accuracy of assessing the state of the monitored object is proposed. This methodological approach is based on a combination of fuzzy cognitive models, advanced genetic algorithm and evolving artificial neural networks. The methodological approach has the following sequence of actions: building a fuzzy cognitive model; correcting the fuzzy cognitive model and training knowledge bases. The distinctive features of the methodological approach are that the type of data uncertainty and noise is taken into account while constructing the state of the monitored object using fuzzy cognitive models. The novelties while correcting fuzzy cognitive models using a genetic algorithm are taking into account the type of data uncertainty, taking into account the adaptability of individuals to iteration, duration of the existence of individuals and to...
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Decision making support systems (DSS) are actively used in all spheres of human life. The system of the electronic environment analysis is not an exception. However, there are a number of problems in the analysis of the electronic... more
Decision making support systems (DSS) are actively used in all spheres of human life. The system of the electronic environment analysis is not an exception. However, there are a number of problems in the analysis of the electronic environment, for example: the signals are analyzed in a complex electronic environment against the background of intentional and natural interference. Input signals do not match the standards, and their interpretation depends on the experience of the operator (expert), the completeness of additional information on a particular task (uncertainty condition). The best solution in this situation is found in the integration with the data of the information system analysis of the electronic environment, artificial neural networks and fuzzy cognitive models. Their advantages are also the ability to work in real time and quick adaptation to specific situations. The article develops a method for assessing and forecasting the electronic environment. Improving the ef...
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The object of research is the military radio communication system. Effective operation of routing protocols is possible only if there is reliable information about the network topology for each of the network nodes. Construction of... more
The object of research is the military radio communication system. Effective operation of routing protocols is possible only if there is reliable information about the network topology for each of the network nodes. Construction of special purpose radio networks with the possibility of self-organization is possible only in the presence of adequate and reliable models of their work in different applications and the impact nature. It necessitates the development of new and adequate algorithms (methods, techniques) for modeling routing algorithms in special purpose radio networks with the possibility of self-organization. This work solves the problem of developing a simulation model of a mobile radio network for special purposes with the possibility of self-organization. In the course of the research, the authors used the main provisions of the queuing theory, the theory of automation, the theory of complex technical systems and general scientific methods of cognition, namely analysis ...
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In order to objectively and completely analyze the state of the monitored object with the required level of efficiency, the method for estimating and forecasting the state of the monitored object in intelligent decision support systems... more
In order to objectively and completely analyze the state of the monitored object with the required level of efficiency, the method for estimating and forecasting the state of the monitored object in intelligent decision support systems was improved. The essence of the method is to provide an analysis of the current state of the monitored object and short-term forecasting of the state of the monitored object. Objective and complete analysis is achieved using advanced fuzzy temporal models of the object state, taking into account the type of uncertainty and noise of initial data. The novelty of the method is the use of an improved procedure for processing initial data in conditions of uncertainty, an improved procedure for training artificial neural networks and an improved procedure for topological analysis of the structure of fuzzy cognitive models. The essence of the training procedure is the training of synaptic weights of the artificial neural network, the type and parameters of ...