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Artículos de revistas sobre el tema "Digital communications Reliability Mathematics"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 29 de enero de 2023

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1

Yu, Liang Jun, Li Hua Sun, and Cui Cui Huang. "Simulation Design on Kalman Filter with Mobile and No-Intersymbol Interference System Based on MATLAB." Applied Mechanics and Materials 716-717 (December 2014): 1267–71. http://dx.doi.org/10.4028/www.scientific.net/amm.716-717.1267.

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Intersymbol Interference (ISI) problem is one of the main factors affecting the baseband transmission performance of mobile communication’s digital signal which can not only reduce the transmission quality of the information but also can result in misinformation and false pass of information and provide troubles to the user and communications. In order to minimize the error rate, we propose a new digital equalization filter and establish the basic model of the digital filter and introduce non-linear Kalman observation equation and the state equation into the model and design partial differenti

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2

Alexeyev, Alexander A., and Michael M. Green. "Secure Communications Based on Variable Topology of Chaotic Circuits." International Journal of Bifurcation and Chaos 07, no. 12 (December 1997): 2861–69. http://dx.doi.org/10.1142/s0218127497001941.

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A new technique for synchronization of chaotic circuits is proposed. This technique, based on varying a circuit's overall topology rather than varying a set of continuous parameters, offers a possible resolution to the tradeoff between security and synchronizability inherent in existing chaotic systems. The encryption key is represented by a mapping from a set of nodes to a set of switches in the circuit. This method significantly improves reliability and can be easily interfaced to digital control circuits.

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3

Kryukova, Nina I., Alexey A. Chistyakov, Tatiana I. Shulga, Leyla B. Omarova, Tatiana V. Tkachenko, Alexey K. Malakhovsky, and Nigina S. Babieva. "Adaptation of higher education students’ digital skills survey to Russian universities." Eurasia Journal of Mathematics, Science and Technology Education 18, no. 11 (October 19, 2022): em2183. http://dx.doi.org/10.29333/ejmste/12558.

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Digital skills are essential for a technologized society. For younger generations, it has become almost necessary to have such skills. This study focuses on a valid and reliable measurement tool to determine the digital skills of university students. The research was carried out with the participation of a total of 463 university students. Exploratory factor analysis and confirmatory factor analysis were conducted to investigate the validity and reliability of the digital skills survey. Consequently, research on the validity and reliability of the digital skills survey in the Russian environme

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4

Резник, Александр Львович, Александр Васильевич Тузиков, Александр Анатольевич Соловьев, and Андрей Владиславович Торгов. "Intellectual program support for the analysis of random digital images." Вычислительные технологии, no. 5(23) (November 2, 2018): 70–81. http://dx.doi.org/10.25743/ict.2018.23.5.007.

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Описаны специализированные методы, разработанные авторами для решения задач обработки случайных точечных изображений, в основе которых лежат построение программных систем для проведения трудоемких аналитических выкладок и использование различных расширений классических чисел Каталана. Приведены примеры эффективного применения предложенных методов для расчета точных аналитических формул, описывающих вероятность безошибочного считывания случайных дискретных полей и цифровых изображений, проводимого сканирующей апертурой с ограниченным числом пороговых уровней. During the digital registration and

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5

Babchuk, S. M., and B. S. Nezamay. "MATHEMATICAL MODEL OF SPEED DATA TRANSMISSION FROM SEGMENT LENGTH OF SPECIALIZED G3-PLC DIGITAL NETWORK." METHODS AND DEVICES OF QUALITY CONTROL, no. 2(43) (December 24, 2019): 120–27. http://dx.doi.org/10.31471/1993-9981-2019-2(43)-120-127.

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Power Line Communication (PLC) systems are actively evolving and becoming more and more widespread worldwide. They are used in the automation of technological processes, the organization of video surveillance systems and to control the "smart" home. The G3-PLC provides high-speed and high-reliability long-distance communication over the existing power grid. Due to the fact that G3-PLC provides the ability to transmit data including through transformers, infrastructure costs are reduced. In addition, the G3-PLC network can support IPv6, which will allow the G3-PLC to easily integrate into commo

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6

Timofeev, A. L., and A. Kh Sultanov. "Building a noise-tolerant code based on a holographic representation of arbi-trary digital information." Computer Optics 44, no. 6 (December 2020): 978–84. http://dx.doi.org/10.18287/2412-6179-co-739.

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The article considers a method of error-correcting coding based on the holographic representation of a digital signal. The message encoding process is a mathematical simulation of a hologram created in virtual space by a wave from an input signal source. The code word is a hologram of a point, it is also a one-dimensional zone ruler that carries information about the input data block in the form of an n-bit code of the coordinate of the center of the Fresnel zones. It is shown that the holographic representation of the signal has significantly greater noise immunity and allows you to restore t

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7

Wang, Yuhang. "Image 3D Reconstruction and Interaction Based on Digital Twin and Visual Communication Effect." Mobile Information Systems 2022 (July 23, 2022): 1–12. http://dx.doi.org/10.1155/2022/8510369.

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With the continuous development of multimedia technology and electronic information technology, the application of 3D images has become more and more extensive, and 3D reconstruction and interactive technology have also received more and more attention from researchers. Digital twin (DT for short) is a technology that makes full use of digital twin models and real-time monitoring data to complete real-time mapping of the real world in the digital world. Visual communication (CV for short) design is a design that is expressed and communicated to the audience through a visual medium. 3D reconstr

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8

Tyncherov, Kamil T., Vyacheslav Sh Mukhametshin, Victor A. Krasnobaev, and Maria V. Selivanova. "Error Control Coding Algorithms in High Reliability Telemetry Systems." Symmetry 14, no. 7 (July 1, 2022): 1363. http://dx.doi.org/10.3390/sym14071363.

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In the oil and gas industry, in the process of drilling support (geosteering) and well telemetry, there is a problem of transmitting reliable information via wireless communication channels. The quality of such communication, as a rule, suffers due to the presence of errors caused by interference. As the depth of the well increases, the problem becomes more extensive. In order to solve the problem, it is proposed to choose noise-resistant coding in the system of residual classes. This system parallelizes the execution of arithmetic operations, has corrective abilities and organically adapts to

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9

Ben-Ami, Lee, and Ido Bachelet. "A Thought-Operated Digital Random-Access Memory." Computational Intelligence and Neuroscience 2019 (June 9, 2019): 1–8. http://dx.doi.org/10.1155/2019/9684140.

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The capacity and reliability of biological memory could be exceeded by a constantly growing flux of information to remember and operate by. Yet, our memory is fragile and could be easily impaired, and the prevalence of memory disorders is increasing in correlation with the population’s mean age. As expected, auxiliary memory devices (such as writing pads and computers) are abundant but are operated indirectly using significant effort compared with biological memory. We report a working prototype of a simplified, 4 KB random-access memory (RAM) that can be written to or read from using thought

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10

Liu, Xiyang, Lei Fan, Liming Wang, and Sha Meng. "Multiobjective Reliable Cloud Storage with Its Particle Swarm Optimization Algorithm." Mathematical Problems in Engineering 2016 (2016): 1–14. http://dx.doi.org/10.1155/2016/9529526.

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Information abounds in all fields of the real life, which is often recorded as digital data in computer systems and treated as a kind of increasingly important resource. Its increasing volume growth causes great difficulties in both storage and analysis. The massive data storage in cloud environments has significant impacts on the quality of service (QoS) of the systems, which is becoming an increasingly challenging problem. In this paper, we propose a multiobjective optimization model for the reliable data storage in clouds through considering both cost and reliability of the storage service

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11

Bykova, Svetlana S., Elena A. Kuvaldina, Svetlana V. Maslova та Alla E. Krinisyna. "Formation of IСT competences of youth in the system of non-formal education". Perspectives of Science and Education 48, № 6 (31 грудня 2020): 67–77. http://dx.doi.org/10.32744/pse.2020.6.6.

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The relevance of the study is due to the need to form competences in sphere of information and communications technology (hereinafter – ICT competences) among youth leaders, because they transfer this experience of using the Internet and digital technologies to other young people. Within the framework of formal education, this problem is not given necessary attention; accordingly, the non-formal education system has the right to compensate for this shortcoming through the implementation of additional programs that form IСT competences in young people. The purpose of this study is to substantia

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12

Dahunsi, Folasade M., Olawumi A. Abdul-Lateef, Adegoke O. Melodi, Akinlolu A. Ponnle, Oluwafemi A. Sarumi, and Kazeem A. Adedeji. "Smart Grid Systems in Nigeria: Prospects, Issues, Challenges and Way Forward." FUOYE Journal of Engineering and Technology 7, no. 2 (June 30, 2022): 183–92. http://dx.doi.org/10.46792/fuoyejet.v7i2.781.

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The ability of the power system to deliver to its consumer electrical energy at an expected level of reliability is correlated with the economic development of a country. The Nigerian power system faces many challenges, varying from overdue infrastructure maintenance, obsolete tools and appliances, insufficient electricity supply, corruption, etc. A gradual shift from manual to smart digital technologies include; smart metering, distributed generation (renewable energy and microgrid), and management using Information and Communication Technology (ICT) tools. In response, research, investments,

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13

Zardari, Nawaz Ali, Razali Ngah, Omar Hayat, and Ali Hassan Sodhro. "Adaptive mobility-aware and reliable routing protocols for healthcare vehicular network." Mathematical Biosciences and Engineering 19, no. 7 (2022): 7156–77. http://dx.doi.org/10.3934/mbe.2022338.

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<abstract> <p>Healthcare vehicles such as ambulances are the key drivers for digital and pervasive remote care for elderly patients. Thus, Healthcare Vehicular Ad Hoc Network (H-VANET) plays a vital role to empower the digital and Intelligent Transportation System (ITS) for the smart medical world. Quality of Service (QoS) performance of vehicular communication can be improved through the development of a robust routing protocol having enhanced reliability and scalability. One of the most important issues in vehicular technology is allowing drivers to make trustworthy decisions, th

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14

Kobozeva, Alla, and Ivan Bobok. "DEVELOPMENT OF A STEGANOGRAPHIC METHOD RESISTANT TO ATTACKS AGAINST BUILT-IN MESSAGE." Information systems and technologies security, no. 1 (2) (2020): 16–22. http://dx.doi.org/10.17721/ists.2020.1.16-22.

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Features of modern network communications make it necessary to use in the organization of the hidden channel communication of steganographic algorithms that are resistant to loss compression, and leaving the tasks of developing new effective steganographic methods are relevant. The paper develops a new block steganographic method, which is resistant to attacks against the built-in message, including strong attacks. This method preserves the reliability of the perception of the formed quilting due to the mathematical basis used. It is based on a general approach to the analysis of the state and

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15

Kiforuk, Sergii. "Devising a method to control the operational quality and reliability of fiber-optical communication lines." Eastern-European Journal of Enterprise Technologies 5, no. 3 (113) (October 31, 2021): 92–100. http://dx.doi.org/10.15587/1729-4061.2021.237583.

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The lack of recommendations in the normative and technical documentation related to fiber-optic communication lines (FOCL) for assessing their technical condition necessitated devising a method to control the lines' quality and reliability of operation. The method creates the basis for calculating the quality and reliability indicators of FOCL operation and suggests measures to improve them. It determines the methods of control, as well as the acquisition, accounting, and analysis of damage statistics with and without interruption of communication. The graphic sequence of implementation of the

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16

Zeng, Pingping, Lianhui Tong, Yaru Liang, Nanrun Zhou, and Jianhua Wu. "Multitask Image Splicing Tampering Detection Based on Attention Mechanism." Mathematics 10, no. 20 (October 17, 2022): 3852. http://dx.doi.org/10.3390/math10203852.

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In today’s modern communication society, the authenticity of digital media has never been of such importance as it is now. In this aspect, the reliability of digital images is of paramount importance because images can be easily manipulated by means of sophisticated software, such as Photoshop. Splicing tampering is a commonly used photographic manipulation for modifying images. Detecting splicing tampering remains a challenging task in the area of image forensics. A new multitask model based on attention mechanism, densely connected network, Atrous Spatial Pyramid Pooling (ASPP) and U-Net for

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17

Cheng, Xingguo, and Chaomeng Chen. "Vehicle Detection System with Statistical Functions Based on 3-Axis Anisotropic Magnetoresistive Using Wireless Communication Technology." Journal of Computational and Theoretical Nanoscience 17, no. 7 (July 1, 2020): 2876–81. http://dx.doi.org/10.1166/jctn.2020.6749.

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In terms of current issues that the sensor’s output signal drifts along with the surrounding strong magnetic field by using the single or dual-axis analog anisotropic magnetoresistive (AMR) sensor in the traffic flow detection, a traffic flow detection system based on ZigBee wireless sensor network is developed and a novel approach by exercising the new digital three-axis AMR sensor to detect the traffic flow is proposed to solve these issues as mentioned above. Using Single Chip Microcomputer (SCM) control technique and utilizing wireless transmitting, an effective algorithm is designed. The

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18

Isaev, E. A., D. V. Pervukhin, V. V. Kornilov, P. A. Tarasov, A. A. Grigoriev, Y. V. Rudyak, G. O. Rytikov, and V. G. Nazarov. "Platelet Adhesion Quantification to Fluorinated Polyethylene from the Structural Caracteristics of Its Surface." Mathematical Biology and Bioinformatics 14, no. 2 (August 9, 2019): 420–29. http://dx.doi.org/10.17537/2019.14.420.

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It is necessary not only to develop information and communication infrastructures and algorithms for distributed and cloud processing of data coming from all kinds of sensors and sensors, but also to design new materials that enable the production of safe, effective and accessible to the general public test systems when creating digital health saving systems as part of the development of modern electronic medical monitoring technologies. An analysis of the market for consumables intended for use in rapid diagnostic devices shows that disposable test strips on a flexible polymer base with high

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19

Álvarez, José Luis, Juan Daniel Mozo, and Eladio Durán. "Analysis of Single Board Architectures Integrating Sensors Technologies." Sensors 21, no. 18 (September 21, 2021): 6303. http://dx.doi.org/10.3390/s21186303.

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Development boards, Single-Board Computers (SBCs) and Single-Board Microcontrollers (SBMs) integrating sensors and communication technologies have become a very popular and interesting solution in the last decade. They are of interest for their simplicity, versatility, adaptability, ease of use and prototyping, which allow them to serve as a starting point for projects and as reference for all kinds of designs. In this sense, there are innumerable applications integrating sensors and communication technologies where they are increasingly used, including robotics, domotics, testing and measurem

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20

Naumenko, Igor, Mykyta Myronenko, and Taras Savchenko. "Information-extreme machine training of on-board recognition system with optimization of RGB-component digital images." RADIOELECTRONIC AND COMPUTER SYSTEMS, no. 4 (November 29, 2021): 59–70. http://dx.doi.org/10.32620/reks.2021.4.05.

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The research increases the recognition reliability of ground natural and infrastructural objects by use of an autonomous onboard unmanned aerial vehicle (UAV). An information-extreme machine learning method of an autonomous onboard recognition system with the optimization of RGB components of a digital image of ground objects is proposed. The method is developed within the framework of the functional approach to modeling cognitive processes of natural intelligence at the formation and acceptance of classification decisions. This approach, in contrast to the known methods of data mining, includ

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21

Dirgayasa, I. Wayan. "EMOJI, A BREAKTHROUGH IN CONTEMPORARY COMMUNICATION (A LITERATURE REVIEW)." Journal of Language, Literature, and Teaching 4, no. 2 (November 20, 2022): 63–76. http://dx.doi.org/10.35529/jllte.v4i2.63-76.

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It is a fact that emojis are a growing phenomenon in the last few years. They have gained their popularity with their typical varieties in the digital era across countries in the world. The emojis are used among people as a way to assist the process of conveying emotions in textual communication that lacks nonlinguistic cues. Emojis were created and developed as visual mixed expressions of sentiments, attitudes, or moods for use in modern communication technologies. Then, in more broad perspective and context, in term usages, they are also generally perceived that they do not only have unique

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22

Yi, Hongbin, Xizhang Wei, Tairan Lin, Yanqun Tang, Mingcong Xie, and Dujuan Hu. "Aperture-Level Simultaneous Transmit and Receive Simplified Structure Based on Hybrid Beamforming of Switching Network." Electronics 12, no. 3 (January 25, 2023): 602. http://dx.doi.org/10.3390/electronics12030602.

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With the increasing competition for spectrum resources, the technology of simultaneous transmit and receive (STAR) is attracting more and more attention. However, full digital aperture-level simultaneous transmit and receive (FD-ALSTAR) is difficult to implement in a large-scale array with high frequency and bandwidth due to its high hardware cost and high power consumption. Therefore, this paper combines FD-ALSTAR with hybrid beamforming technology and proposes two categories and four types of aperture-level simultaneous transmit and receive simplified structures based on hybrid beamforming t

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23

Liu, Yun Ling. "Research on the Visual Communication Design Based on Digital Multimedia." Advanced Materials Research 846-847 (November 2013): 1496–99. http://dx.doi.org/10.4028/www.scientific.net/amr.846-847.1496.

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with the development of computer hardware and software performance improvement, digital multimedia technology has been applied to various fields, the effect of image visional transmission are mainly affected by the brightness, texture and color, and different image effects will produce different visual transmission effect. This paper starts from the brightness of the image, using the mathematical model of digital multimedia brightness change, and combined with MATLAB numerical simulation software, the digital multimedia visual effect design interface is developed. In order to verify the reliab

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24

Bogalheiro, Manuel. "Techno-animism or the Magical Existence of Technical Objects." International Journal of Film and Media Arts 6, no. 1 (June 9, 2021): 55–72. http://dx.doi.org/10.24140/ijfma.v6.n1.03.

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If, on the one hand, the classic notion of artefact presupposes inert objects and a reliability between the user and the uses that can be extracted from the objects, on the other hand, it is recognized a suspicion that technical objects and their operative schemes, the machines and the “artificial” solutions contain in themselves an inauthentic and adulterating nature, a power of cunning and trickery capable of emancipate and process in autonomous forms, regardless of the uses and apprehensions that humans, their operators, may make. The western imaginary of technics would thus have been const

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25

Lobastova, M., A. Matyukhin, and A. Muthanna. "Analysis of Network Reliability of Network Synchronization." Telecom IT 8, no. 4 (December 23, 2020): 93–99. http://dx.doi.org/10.31854/2307-1303-2020-8-4-93-99.

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This article describes the challenges of modern communication networks reliability, analyses ITU-T recommendations and regulations governing the communication networks reliability in Russian Federation. The network clock network is an integral part of digital communication networks. Therefore, the issue of the synchronization network reliability should be given great attention. Research subject. In this article, we discussed the reliability of the clock synchronization network. Method. The main mathematical tools are graph theory and probability theory. To implement the proposed method for ass

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26

Sun, Li Hua, Cui Cui Huang, and Liang Jun Yu. "Mobile Communication Inter-Symbol Crosstalk Cancellation Based on Calman Digital Equalizer Filter." Applied Mechanics and Materials 716-717 (December 2014): 1262–66. http://dx.doi.org/10.4028/www.scientific.net/amm.716-717.1262.

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In the digital mobile communication signal transmission system, the inter-symbol interference is one of the main factors affecting the performance. In order to make the error rate reducing to a minimum, this paper designs a new Calman digital equalization filter. It is based on Calman filter principle, and establishes the control mathematical model of observation equation and state equation, and uses MATLAB programming to realize the algorithm. In order to verify the effectiveness and reliability of this filter, this paper uses filter toolbox of MATAB to do numerical simulation on the filterin

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27

Agafonova, Anna Nikolaevna, and Valentina Vladimirovna Hashova. "ADVANCED DIGITAL TECHNOLOGIES IN LOGISTICS." Problemy razvitiya predpriyatii: teoriya i praktika, no. 1-2 (2021): 3–7. http://dx.doi.org/10.46554/pedtr-20-2021-2-pp.3.

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28

Kareva, Yuliya Yr'evnaKashaeva, Aleksandrovna Victoriya, and Maksim Alekseevich Pendyuhov. "DIGITAL ECONOMY: THREATS AND PROSPECTS." Наука XXI века: актуальные направления развития, no. 1-1 (2021): 396–400. http://dx.doi.org/10.46554/sciencexxi-2021.02-1.1-pp.396.

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29

Mathebula, Vonani Clive, and Akshay Kumar Saha. "Reliability and Availability of Multi-Channel IEC-61850 Substation Communication Networks for Mission-Critical Applications." International Journal of Engineering Research in Africa 51 (November 2020): 199–216. http://dx.doi.org/10.4028/www.scientific.net/jera.51.199.

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The introduction of IEC-61850 digital-based Substation Automation System (SAS) eases implementation of elaborate schemes; however, its reliability and availability continue to be investigated for executing mission-critical applications. Independent repairable multi-channel systems with voting capability such as ‘one-out-of-two’ tripping schemes are often used for critical safety-related functions because the individual scheme channels hardly ever fail simultaneously. The system configuration enables the scheme to self-reconfigure when a link failure occurs in one of the channels, as well as be

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Et. al., Marco Rosario Villareal,. "Optical Transport Network to support Digital Communications." Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 4 (April 10, 2021): 1418–33. http://dx.doi.org/10.17762/turcomat.v12i4.1360.

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The objective of this work is to propose a solution to the problem of the lack of telecommunication services, with adequate quality of service and coverage, in the town of Choclococha, Huancavelica-Peru. For this purpose, the design and evaluation of an optical link as a backbone network and a wireless access network is presented. It is an applied and experimental research in which performance parameters were evaluated. The independent variable is the optical transport network and the dependent variable is data communication. The latter is defined by two indicators: throughput and signal recep

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Makarov, G. N. "Guaranteed decision-making reliability in digital measurement control." Measurement Techniques 35, no. 8 (August 1992): 912–15. http://dx.doi.org/10.1007/bf00977430.

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Manev, Nikolai L. "Grid and Simulation of Digital Communication Systems." Serdica Journal of Computing 4, no. 1 (March 31, 2010): 101–12. http://dx.doi.org/10.55630/sjc.2010.4.101-112.

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The purpose of this paper is to turn researchers' attention to the use of grid computing for simulating digital communications and its large potential for decreasing significantly the duration of the experiments and for improving the statistical representativeness and reliability of the obtained results.

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Wang, Tao, Jinyan Cai, Yafeng Meng, Meng Lv, and Zexi Li. "Design of a Bio-Inspired Embryonic Cellular Array Based on Bus Structure." Journal of Circuits, Systems and Computers 29, no. 06 (August 13, 2019): 2050099. http://dx.doi.org/10.1142/s0218126620500991.

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There are some shortcomings, such as huge hardware resource consumption, functional differentiation is difficult and limited fault detection coverage, when embryonic cellular array (ECA) is used to design large-scale circuit. In this paper, the structure characteristics and communication method of multicellular organism are analyzed briefly, and a new bio-inspired ECA based on bus structure (BECA) is proposed, besides that the corresponding self-repairing strategy is designed. First, the functional decomposition has been applied in BECA, which uses bus structure to realize internal communicati

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34

Iqbal, Saima, Wilayat Khan, Abdulrahman Alothaim, Aamir Qamar, Adi Alhudhaif, and Shtwai Alsubai. "Proving Reliability of Image Processing Techniques in Digital Forensics Applications." Security and Communication Networks 2022 (March 31, 2022): 1–17. http://dx.doi.org/10.1155/2022/1322264.

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Binary images have found its place in many applications, such as digital forensics involving legal documents, authentication of images, digital books, contracts, and text recognition. Modern digital forensics applications involve binary image processing as part of data hiding techniques for ownership protection, copyright control, and authentication of digital media. Whether in image forensics, health, or other fields, such transformations are often implemented in high-level languages without formal foundations. The lack of formal foundation questions the reliability of the image processing te

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35

Lin, Jun Ting, and Jian Wu Dang. "Reliability Models of GSM-R Redundant Network on High-Speed Railway." Applied Mechanics and Materials 198-199 (September 2012): 1783–88. http://dx.doi.org/10.4028/www.scientific.net/amm.198-199.1783.

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As a dedicated digital mobile communication system designed for railway application, GSM-R must provide reliable bidirectional channel for transmitting security data between trackside equipments and on-train computer on high-speed railways. To ensure the safety of running trains, redundant network architecture is commonly used to guarantee the reliability of GSM-R. Because of the rigid demands of railway security, it is important to build reliability mathematical models, predict the network reliability and select a suitable one. Two common GSM-R wireless architectures, co-sited double layers n

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36

Wawer, Tomasz, Tadeusz Dąbrowski, and Marcin Bednarek. "Reliability Analysis of Radioamateur Communication." Journal of KONBiN 37, no. 1 (July 1, 2016): 253–76. http://dx.doi.org/10.1515/jok-2016-0012.

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Abstract The following article describes diagnostic and reliability aspects of amateur radio communications. The intention of precise measuring of quality and accuracy of every contact was present in ham radio from very beginning. The reports were sent and they are still used today, in many variants. In time, the tools to measure ionosphere state and propagation conditions emerged. They are fundamental for communication, especially long distance ones. The article concentrates on description of digital amateur mode, JT9. This mode is very effective, enables worldwide reach and requires simple t

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Laster, J. D., and J. H. Reed. "Interference rejection in digital wireless communications." IEEE Signal Processing Magazine 14, no. 3 (May 1997): 37–62. http://dx.doi.org/10.1109/79.587051.

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Hoyos, S., B. M. Sadler, and G. R. Arce. "Monobit digital receivers for ultrawideband communications." IEEE Transactions on Wireless Communications 4, no. 4 (July 2005): 1337–44. http://dx.doi.org/10.1109/twc.2005.850270.

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39

Howarth, Mark. "HART — Standard for 4–20mA Digital Communications." Measurement and Control 27, no. 1 (February 1994): 5–7. http://dx.doi.org/10.1177/002029409402700102.

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White, Andrew, and EurIng Simon Brown. "Using Digital Communications in Safety-Related Applications." Measurement and Control 37, no. 3 (April 2004): 84–87. http://dx.doi.org/10.1177/002029400403700304.

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41

Shagataeva, Zaure, Yernazar Kaspaevich Sarbassov, Erkegul Seminar, Marianna Amangeldyevna Sydykbekova, and Ardak Tolegenovna Kydyrbaeva. "The general technological competency model for vocational teachers in Kazakhstan." World Journal on Educational Technology: Current Issues 13, no. 4 (October 1, 2021): 574–88. http://dx.doi.org/10.18844/wjet.v13i3.5938.

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Like in many Global South countries, the vocational education and training system in Kazakhstan has some weaknesses, including low-competent educators poorly applying digital technologies in their instructional repertoire, which highlights the need for motivating teachers towards incorporating technologies representing students' everyday life in the educational process. Meanwhile, there are no practically applicable competency frameworks for Kazakhstani vocational teachers to date. This paper aimed to gather students’ opinions on which skills are more or less important for vocational educators

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Shafie Rosli, Mohd, Nor Shela Saleh, Sultan Hammad Alshammari, Mohd Mokhzani Ibrahim, Azri Syazwan Atan, and Noor Azean Atan. "Improving Questionnaire Reliability using Construct Reliability for Researches in Educational Technology." International Journal of Interactive Mobile Technologies (iJIM) 15, no. 04 (February 26, 2021): 109. http://dx.doi.org/10.3991/ijim.v15i04.20199.

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<p class="0abstract">This paper is exploring on maneuver to improve research instrument reliability in scientific research related to Educational Technology by analyzing the traditional Cronbach’s alpha reliability using SPSS software and the newer statistical tool, AMOS using Construct Reliability (CR) approach. Two sets of data were used as sample to perform the comparison. The first set of data is from a research involving Technology Enhanced Learning Environment. The second data are sampled from research in digital competency. Finding from this paper concluded that, conventional appr

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Ghandi, Reza, Cheng-Po Chen, Liang Yin, Rich Saia, Tammy Johnson, Peter Sandvik, Kun Fang, and R. Wayne Johnson. "Reliability of SiC Digital Telemetry Circuits on AlN Substrate." Journal of Microelectronics and Electronic Packaging 11, no. 1 (January 1, 2014): 25–29. http://dx.doi.org/10.4071/imaps.397.

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In this work, two silicon carbide based integrated circuits (frequency counter and timing generator) have been designed, fabricated, and tested for functionality at 300°C and prove to operate continuously for more than 1,000 h. Further, the boards were subjected to random vibration at 20G RMS and also mechanical shock at 215G in a 300°C environment and remained operational after 8 h of vibration and 1,000 shocks. These boards are the building blocks of a digital telemetry module for the purpose of sensing and transmitting pressure measurements from a geothermal well at temperatures up to 300°C

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YU, Jianjun, and Yi WEI. "Digital Signal Processing for High‐Speed THz Communications." Chinese Journal of Electronics 31, no. 3 (May 2022): 534–46. http://dx.doi.org/10.1049/cje.2021.00.258.

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Idachaba, Francis Enejo. "Optimal Antenna Configurations for Digital Oilfield Implementations." Advanced Materials Research 824 (September 2013): 187–92. http://dx.doi.org/10.4028/www.scientific.net/amr.824.187.

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Antennas play a very pivotal role in the development and advancement of digital oil fields. They provide the last mile communication link to the field locations and thus must be properly sized to ensure the link availability and reliability. There are different types of antennas currently being deployed with each having different impacts on the communication link performance. This paper discusses typical antenna configurations for implementing last mile communications to the field in digital oilfield applications. It analyzes the characteristic of each configuration, the impact these different

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ZASTROZHNІKOVA, Iryna. "STRATEGIC ORIENTATION OF THE AGRICULTURAL ENTERPRISE AND TASKS OF PERSONNEL MANAGEMENT WITH THE USE OF DIGITAL TECHNOLOGIES." Ukrainian Journal of Applied Economics 5, no. 4 (December 2, 2020): 314–20. http://dx.doi.org/10.36887/2415-8453-2020-4-37.

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The purpose of the presented research is to analyze the tasks of personnel management in the context of digitalization of technologies in the context of the strategic directions implementation of agricultural enterprises development. The interconnection and coordination of the personnel management strategy and the general strategy of the enterprise are considered. The significance of personnel management strategy in the hierarchy of the organization strategy is determined. Thus, the strategy of personnel management is referred to the number of functional strategies, as well as the strategy of

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McGough, John, Andrew Reibman, and Kishor Trivedi. "Markov reliability models for digital flight control systems." Journal of Guidance, Control, and Dynamics 12, no. 2 (March 1989): 209–19. http://dx.doi.org/10.2514/3.20393.

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S, SKRYPNYK, and KOLLAROV O. "Research of the impact of the introduction of neural networks in the energy sector of Ukraine." Journal of Electrical and power engineering 26, no. 4 (May 24, 2022): 39–43. http://dx.doi.org/10.31474/2074-2630-2022-1-39-43.

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A power plant converts energy from a non-electric form to an electric one. Depending on the energy conversion, power plants are classified as minerals, nuclear, solar, geothermal, hydroelectric, and so on. The main goal is to perform this transformation as best as possible. Criteria of safety, efficiency, reliability and affordability are taken into account as benchmarks. The station consists of several units that generate and work together to meet electricity needs. For a fossil fuel power plant, each unit consists of three main components: a boiler, a turbine and a generator. The complexity

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Zhang, Shengnan, and Xiaoni Chi. "Application of Digital Information Technology in Enterprise Innovation Management." Mobile Information Systems 2022 (August 4, 2022): 1–11. http://dx.doi.org/10.1155/2022/9187856.

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Digital information technology is the key to realize the efficient management of enterprises. It is necessary to analyze the information technology and provide perfect operating conditions for enterprises in combination with the economic management of enterprises. This article studies enterprise management in the digital information environment, improves the effectiveness of enterprise management methods, and judges the management state of enterprises. At the same time, formula calculation is used to provide a test method for the application effect of digital information technology so that tha

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Sokol, M. L. "Reliability in digital secondary clock display for various chronometric data-processing algorithms." Measurement Techniques 32, no. 4 (April 1989): 340–44. http://dx.doi.org/10.1007/bf00866629.

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