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Artículos de revistas sobre el tema "Digital modeling methods"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 13 de febrero de 2022

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1

Silva, Francisco, Gustavo Scandolieri, Danillo Pereira, Leandro Almeida, Helton Sapia, and João Silva. "DIGITAL TERRAIN MODELING USING FINITE ELEMENT METHODS MESHLESS." Journal of Urban and Environmental Engineering 12, no. 2 (2018): 163–71. http://dx.doi.org/10.4090/juee.2018.v12n2.163171.

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2

Allen, P. K., A. Troccoli, B. Smith, S. Murray, I. Stamos, and M. Leordeanu. "New methods for digital modeling of historic sites." IEEE Computer Graphics and Applications 23, no. 6 (2003): 32–41. http://dx.doi.org/10.1109/mcg.2003.1242380.

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3

Gupta, Shaphali, Agata Leszkiewicz, V. Kumar, Tammo Bijmolt, and Dmitriy Potapov. "Digital Analytics: Modeling for Insights and New Methods." Journal of Interactive Marketing 51 (August 2020): 26–43. http://dx.doi.org/10.1016/j.intmar.2020.04.003.

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4

Wrobel, Gabriel D., Jack A. Biggs, and Amy L. Hair. "Digital Modeling for Bioarchaeologists." Advances in Archaeological Practice 7, no. 1 (2019): 47–54. http://dx.doi.org/10.1017/aap.2018.47.

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ABSTRACTThe creation of digital repositories of human skeletal remains offers bioarchaeologists a variety of potential means of aiding efforts related to curation and analysis. We present a discussion of how issues of preservation and access can affect research and argue that digital repositories not only maintain a record of objects but that the digital format allows researchers to expand their studies to include otherwise inaccessible collections. Digital models can be utilized by bioarchaeologists to collect and analyze a wide variety of quantitative and qualitative data. We review several

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5

La Mantia, M. "PROCEDURES AND METHODS OF DIGITAL MODELING IN REPRESENTATION DIDACTICS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XXXVIII-5/W16 (September 10, 2012): 507–13. http://dx.doi.org/10.5194/isprsarchives-xxxviii-5-w16-507-2011.

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6

Alikarieva, Alohon. "USING MATHEMATICAL MODELING METHODS IN DIGITALIZATION OF HIGHER EDUCATION." JOURNAL OF SOCIAL STUDIES 7, no. 3 (2020): 30–39. http://dx.doi.org/10.26739/2181-9556-2020-7-3.

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In this article, priority directions of development of the educational process are determined on the basis of application of digital technologies in the higher education system of the Republic, analysis of their capabilities. There were also suggestions on how and in what form the introduction of digital technologies in higher education can take an important place only in the field of education by studying, systematizing and generalizing existing practices in drawing up evidence-based conclusions.

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7

Xu, Tao, and Krishnendu Chakrabarty. "Fault Modeling and Functional Test Methods for Digital Microfluidic Biochips." IEEE Transactions on Biomedical Circuits and Systems 3, no. 4 (2009): 241–53. http://dx.doi.org/10.1109/tbcas.2009.2022173.

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8

Chaffin, Don B. "Digital Human Modeling for Workspace Design." Reviews of Human Factors and Ergonomics 4, no. 1 (2008): 41–74. http://dx.doi.org/10.1518/155723408x342844.

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Digital human modeling (DHM) technology offers human factors/ergonomics specialists the promise of an efficient means to simulate a large variety of ergonomics issues early in the design of products and manufacturing workstations. It rests on the premise that most products and manufacturing work settings are specified and designed by using sophisticated computer-aided design (CAD) systems. By integrating a computer-rendered avatar (or hominoid) and the CAD-rendered graphics of a prospective workspace, one can simulate issues regarding who can fit, reach, see, manipulate, and so on. In this cha

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9

Lamothe-Fernández, Prosper, David Alaminos, Prosper Lamothe-López, and Manuel A. Fernández-Gámez. "Deep Learning Methods for Modeling Bitcoin Price." Mathematics 8, no. 8 (2020): 1245. http://dx.doi.org/10.3390/math8081245.

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A precise prediction of Bitcoin price is an important aspect of digital financial markets because it improves the valuation of an asset belonging to a decentralized control market. Numerous studies have studied the accuracy of models from a set of factors. Hence, previous literature shows how models for the prediction of Bitcoin suffer from poor performance capacity and, therefore, more progress is needed on predictive models, and they do not select the most significant variables. This paper presents a comparison of deep learning methodologies for forecasting Bitcoin price and, therefore, a ne

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10

Kurnosenko, Alexey E., Ivan V. Levin, Valeria O. Semenyakina, Evgeny R. Zakharov, and Artem E. Sherstyuk. "Simulation Modeling Methods and Tools in the Study of Electronics Preproduction." ITM Web of Conferences 35 (2020): 04015. http://dx.doi.org/10.1051/itmconf/20203504015.

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The paper is devoted to the selection and application of simulation methods and tools when creating a digital model of the production floor and the preproduction of the assembly process of electronic modules on printed circuit boards. The advantage of simulation modeling for creating a digital manufacturing model is shown. The introduction of simulation methods in the educational process is considered. Using the developed digital model for the manufacturing of a typical product as an example, the functional capabilities of the Plant Simulation module from the Tecnomatix software package develo

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11

PONKIN, IGOR V., and ALENA I. REDKINA. "Digital public administration: method of digital models-doubles (BIM) in law." Public Administration 22, no. 2 (2020): 64–69. http://dx.doi.org/10.22394/2070-8378-2020-22-2-64-69.

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The article is devoted to the study of the principles of the possibilities of applying BIM-technologies in law. The authors explain the concept and meaning of BIM modeling in general, noting that the BIM method, originally developed for information and functional modeling of buildings (in the construction sector), is now actively used (in significantly more complex modalities) in a variety of other areas. The article presents the author’s concept explaining the essence of the technology of the digital models-doubles (BIM). The work is based on the use of research methods of analysis and synthe

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12

Victorov, A. S., A. V. Koshkarev, and E. A. Likhacheva. "Modern methods and technologies in digital elevation modeling in Earth sciences." Geomorphology RAS, no. 4 (January 1, 2016): 86–88. http://dx.doi.org/10.15356/0435-4281-2016-4-86-88.

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13

Pirogov, A. A., Yu A. Pirogova, D. E. Lukyanenko, S. A. Gvozdenko, and E. V. Semka. "Development of methods for modeling digital signals when designing printed units." Issues of radio electronics, no. 10 (December 16, 2020): 23–30. http://dx.doi.org/10.21778/2218-5453-2020-10-23-30.

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In the production of printed circuit assemblies, one of the important stages is to carry out various forms of product control. Control of the electrical parameters of signals for various modes of operation of the device is one of the key tasks, since possible deviations can lead to malfunctions in the operation of the product or inconsistency of its output characteristics with the limitations set in the technical specifications. Electrical control is carried out using test samples of products and in a number of cases the methods used are quite costly both in time and in terms of the cost of th

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14

Moldabayeva, G. Zh, A. Kh Agzamov, R. T. Suleimenova, D. K. Elefteriadi, S. Zh Abileva, and B. A. Baluanov. "Hydrodynamic modeling of field development using enhanced oil recovery methods." Kompleksnoe Ispolʹzovanie Mineralʹnogo syrʹâ/Complex Use of Mineral Resources/Mineraldik Shikisattardy Keshendi Paidalanu 317, no. 2 (2021): 14–22. http://dx.doi.org/10.31643/2021/6445.13.

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This article discusses a digital geological model, the transfer of borehole data to the geological grid, and the modeling of the technology of alternating steam and water injection. Alternating injection involves the cyclic injection of steam and water into an injection well in high-viscosity oil fields. The essence of this technology is that during the steam injection for 2-4 months, the formation warms up, leading to a decrease in viscosity and an increase in oil mobility. Then comes the period of water injection, during which the production of already warmed oil continues and the formation

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15

Chen, Terry Yuan-Fang, Pin-Sheng Huang, and Shu-Fen Chuang. "Modeling dental composite shrinkage by digital image correlation and finite element methods." Optics and Lasers in Engineering 61 (October 2014): 23–30. http://dx.doi.org/10.1016/j.optlaseng.2014.04.006.

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16

Waheed, Muhammad Zeeshan, Dani Korpi, Lauri Anttila, et al. "Passive Intermodulation in Simultaneous Transmit–Receive Systems: Modeling and Digital Cancellation Methods." IEEE Transactions on Microwave Theory and Techniques 68, no. 9 (2020): 3633–52. http://dx.doi.org/10.1109/tmtt.2020.2996206.

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17

Naplekov, Ilya, Ivan Zheleznikov, Dmitry Pashchenko, et al. "Methods of computational modeling of coronary heart vessels for its digital twin." MATEC Web of Conferences 172 (2018): 01009. http://dx.doi.org/10.1051/matecconf/201817201009.

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In this work, methods of numerical modelling of the coronary vessels system of the human heart have been studied. This investigation includes transient flow of the liquid – blood and dynamics of zones of shear stress at vessels. The main goal of the research is obtaining of hemodynamic and shear stress for creating the digital twin of coronary heart vessels. The results were obtained for low Reynolds numbers about 20 of three-dimensional laminar flow. With this Reynolds number the turbulent flow of the blood is modelled by Realizable k-ε model, and SST models to the narrowing, expansions, and

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18

Makarov, Valery, Albert Bakhtizin, Gayane Beklaryan, and Andranik Akopov. "Digital plant: methods of discrete-event modeling and optimization of production characteristics." Business Informatics 15, no. 2 (2021): 7–20. http://dx.doi.org/10.17323/2587-814x.2021.2.7.20.

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This article presents a new approach to the development of a ‘digital twin’ of a manufacturing enterprise, using a television manufacturing plant as the case study. The feature of the proposed approach is the use of hybrid methods of agent-based modeling and discrete-event simulation in order to implement a simulation model of a complex production process for assembling final products from supplied components. The most important requirement for such a system is the integration of all key chains of a digital plant: conveyor lines, warehouses with components and final products (TVs), sorting and

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19

Novikov, Andrey, Elena Zhilenkova, Zorigto Baldanov, and Anton Zhilenkov. "Development of digital design and modelling approaches with preliminary estimation methods based on a digital twin." E3S Web of Conferences 258 (2021): 01011. http://dx.doi.org/10.1051/e3sconf/202125801011.

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Approaches to digital design and modeling are investigated. The methods for preliminary estimation of the parameters and structure of a product being created based on a digital twin are proposed. The principle of choosing the characteristics of replaceable modules for a designed object at the stage of research design is shown. The requirements of the nature, placement and application of the target payload were taken into account. It is shown that in research design based on a digital twin, the critical challenge is to jointly optimize the characteristics of all modules and the overall configur

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20

Wang, Peng Yan, Yao Hua Li, and Ze Yu Li. "Methods of Fault Modeling by Well-to-Seismic Integration." Applied Mechanics and Materials 733 (February 2015): 178–81. http://dx.doi.org/10.4028/www.scientific.net/amm.733.178.

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Geological structure model is the foundation of the sedimentary faces modeling, property modeling and digital simulation, which includes the horizon model and fault model. Fault model which is accorded with underground conditions plays an important role in the structure modeling, so it would be an important work to build the fault model perfectly with the seismic and logging data. This paper take the fault modeling of C84-6 well area in Chaoyanggou field as an example, building the fault model by four methods of ‘Projection of polygon’ ‘Correction of depth domain seismic body’ ‘Checking by ove

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21

Vladimirovna Berdnova, Ekaterina, and Julia Vladimirovna Lazhauninkas. "DIGITAL MODELING OF WHEAT AND SOYBEAN PRODUCTION BASED ON ECONOMIC AND MATHEMATICAL METHODS." Krasnoyarsk Science 8, no. 4 (2019): 7–19. http://dx.doi.org/10.12731/2070-7568-2019-4-7-19.

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In modern conditions of import substitution, the question of domestic production of crop products, including soybeans, is acute. Of course, soybeans is grown in Russia, but there are no suitable tools to optimize its production. There is an increasing need to obtain the greatest profit from the sale of soybeans, but there is no competent planning of acreage for various crops, including soybeans. We have constructed an economic and mathematical model of the distribution of acreage in the cultivation of wheat and soybeans, carried out the calculation using the simplex method, as well as the anal

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22

Stupnytskyi, R. M., and V. R. Yarychkivskyi. "DIGITAL EXAMINATION METHODS OF ANATOMICAL ELEMENTS OF MASTICATORY SYSTEM AND BASIC OCCLUSION RELATIONSHIPS." Ukrainian Dental Almanac, no. 4 (December 12, 2018): 32–37. http://dx.doi.org/10.31718/2409-0255.4.2018.06.

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In the modern world, dentistry has achieved a significant possibilities in aesthetic and functional restoration of teeth and dental arches thanks to modern computer technologies. Every day, the latest developments in the dental industry, such as CAD-CAM systems, clinical and laboratory scanners, 3D printers, microscopes, become indispensable attributes of dental institutions. Modern equipment expands the capabilities of dentists in the diagnosis of pathologies of the masticatory system, greatly facilitates the choice of an optimal plan of prosthetic treatment and allows to have a good quality

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23

Liu, Xiao Jing, and Yuan Zou. "The Brief Analysis of Digital Modeling Techniques in Architecture and Related Fields." Applied Mechanics and Materials 160 (March 2012): 282–86. http://dx.doi.org/10.4028/www.scientific.net/amm.160.282.

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According to the article, the various digital modeling techniques in architecture and civil engineering are extensively discussed. 7 main methods for modeling which are geometry, polygons, displacement texture creation, digital sculpture, plug-ins, vector scanning, and GIS are contrasted and analyzed. To provide reference service for digital modeling in architecture and civil engineering, the research includes their working principles, features, running environments and fields of applications.

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24

Czerniawski, Thomas, and Fernanda Leite. "Automated digital modeling of existing buildings: A review of visual object recognition methods." Automation in Construction 113 (May 2020): 103131. http://dx.doi.org/10.1016/j.autcon.2020.103131.

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25

Gutiérrez-Heredia, L., C. D'Helft, and E. G. Reynaud. "Simple methods for interactive 3D modeling, measurements, and digital databases of coral skeletons." Limnology and Oceanography: Methods 13, no. 4 (2015): e10017. http://dx.doi.org/10.1002/lom3.10017.

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26

Sukhodolov, Alexander, Sergey Ivantsov, Tatiana Molchanova, and Boris Spasennikov. "Digital Criminology: Mathematical Methods of Prediction (Part 2)." Russian Journal of Criminology 12, no. 3 (2018): 323–29. http://dx.doi.org/10.17150/2500-4255.2018.12(3).323-329.

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The paper is devoted to the problems of digital criminology, the analysis of the methods of mathematical forecasting and the possibility of using them for crime research. The growing complexity of the task of crime counteraction determines the necessity for both the critical overhaul of the existing methods and the search for opportunities to go beyond the boundaries of the traditional methods of researching legal phenomena. The information and analytical work of law enforcement bodies based on the development of crime prevention programs has the key goal of the application of mathematical met

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27

Walker, Stewart, and Arleta Pietrzak. "Remote measurement methods for 3-D modeling purposes using BAE Systems’ Software." Geodesy and Cartography 64, no. 1 (2015): 113–24. http://dx.doi.org/10.1515/geocart-2015-0009.

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Abstract Efficient, accurate data collection from imagery is the key to an economical generation of useful geospatial products. Incremental developments of traditional geospatial data collection and the arrival of new image data sources cause new software packages to be created and existing ones to be adjusted to enable such data to be processed. In the past, BAE Systems’ digital photogrammetric workstation, SOCET SET®, met fin de siècle expectations in data processing and feature extraction. Its successor, SOCET GXP®, addresses today’s photogrammetric requirements and new data sources. SOCET

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28

Clinton, Miriam G. "Online Gaming as Digital Heuristics." Studies in Digital Heritage 4, no. 2 (2021): 160–84. http://dx.doi.org/10.14434/sdh.v4i2.30580.

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While 3D modeling has only come into widespread archaeological use in recent years, it is hardly a new or untested approach in the study of architecture. Even so, archaeological 3D modeling has largely been limited to use in illustrations, rather than treated as a part of the scientific method. Using the case study of the Minoan House of the Rhyta at Pseira, this article discusses the results of applying 3D modeling as not only a visualization, but also a hypothesis testing tool. In the summer of 2014, the Minoan Modeling Project undertook a new intensive architectural examination of the Minoa

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29

Belozerov, Ivan, and Marsel Gubaydullin. "Concept of technology for determining the permeability and porosity properties of terrigenous reservoirs on a digital rock sample model." Journal of Mining Institute 244 (July 30, 2020): 402–7. http://dx.doi.org/10.31897/pmi.2020.4.2.

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The aim of the article is to form the concept of technology for determining the permeability and porosity properties of terrigenous reservoirs using mathematical modeling methods on a digital rock sample model. Digital rock sample modeling is used to assess geological oil reserves. The article presents the concept of digital rock sample modeling technology, which allows carrying out qualitative investigations to determine the permeability and porosity characteristics of the formation, including modeling the pore space and filtration processes. The essence of the concept is that the simul

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30

Petrushevskaya, A. A. "DIGITAL ELECTRONICS PRODUCTION MODELING AND PRODUCT QUALITY ASSURANCE." Issues of radio electronics, no. 1 (January 20, 2019): 46–50. http://dx.doi.org/10.21778/2218-5453-2019-1-46-50.

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The introduction of elements of the concept of digital production is especially important in enterprises manufacturing electronic products that are in demand in all spheres of human activity. To create new objects representing the digital production concept, it is necessary to introduce technological innovations in the production of electronics. This is achieved by solving actual analyzing problems system properties means of production and ensuring product quality. Therefore, the article purpose is to ensure the quality of electronic products based on models and methods for analyzing the means

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31

Zhang, Yu, Li, and Fan. "Computational Modeling Methods for Deployable Structure Based on Alternatively Asymmetric Triangulation." Symmetry 11, no. 10 (2019): 1278. http://dx.doi.org/10.3390/sym11101278.

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Asymmetric triangulation is an interesting method combined with concentric pleating to obtain a 3D shape without stretching or tearing. There exists some geometric properties in the process of folding to help realize extension and contraction, which can be used in parametric modeling of different regular polygons. To facilitate design and modeling, adequate computational modeling methods are indispensable. This paper proposes a new mathematical idea and presents a feasible way to build the parameterized models in the digital environment of Rhinoceros, utilizing the Kangaroo plugin in Grasshopp

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32

Zatsarinny, A. A., V. A. Kondrashev, A. A. Sorokin, and S. A. Denisov. "Scientific services consolidation methods." Izvestiya Vysshikh Uchebnykh Zavedenii. Materialy Elektronnoi Tekhniki = Materials of Electronics Engineering 22, no. 4 (2020): 302–7. http://dx.doi.org/10.17073/1609-3577-2019-4-302-307.

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The article discusses methods of consolidating scientific services of a digital platform for integrating a set of scientific services for various fields of science for conducting interdisciplinary research. Solutions for creating consolidated services can be widely used for multilevel, multiscale modeling in the field of materials science, which provides complex modeling at several levels of the hierarchy. Currently, this problem is being solved by creating multicomponent hierarchical software systems on corporate computing systems. With the advent of high-performance cloud computing platforms

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33

Dobrotvorskaya, Nadezhda, and Alexandr Chernov. "Improvement of methods of soil survey of territories using remote sensing and 3d-modeling." E3S Web of Conferences 149 (2020): 02004. http://dx.doi.org/10.1051/e3sconf/202014902004.

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The effective planning and use of land resources depends to a large extent on the completeness and relevance of the digital data on the territory concerned. A modern solution for obtaining such data is the use of unmanned aircraft systems, with the presentation of the results in the form of digital elevation models and 3D-models. The article presents the practical results of the use of this technique on the example of a part of the territory with heterogeneous relief, shows its advantages with respect to the use of traditional analog data, the main directions and prospects of use for the ratio

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34

Saputra, Nopriadi, Riant Nugroho, Hesty Aisyah, and Okta Karneli. "DIGITAL SKILL DURING COVID-19: EFFECTS OF DIGITAL LEADERSHIP AND DIGITAL COLLABORATION." Jurnal Aplikasi Manajemen 19, no. 2 (2021): 272–81. http://dx.doi.org/10.21776/ub.jam.2021.019.02.04.

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The inequality of digital skills is an organizational challenge experienced by public and private organizations to ensure work productivity in work-from-home arrangements during Covid-19. This article aims to elaborate on digital skill development and examine the effects of digital leadership and digital collaboration on digital skill development. This article is based on a cross-sectional study involved 824 office workers from 32 provinces in Indonesia. The combined convenience and snowballing approach were used as the sampling methods. The collected data were structured in the first-order co

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35

Mashkin, A., S. Fedotovsky, M. G. Gunina, Ya Ya Solovev, and R. R. Dyganova. "Method of modeling electric drives with digital control systems." E3S Web of Conferences 124 (2019): 02021. http://dx.doi.org/10.1051/e3sconf/201912402021.

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The use of computer equipment in the form of industrial controllers in the control systems of automated electric drives leads to the fact that standard methods and techniques for numerical simulation of such systems do not provide sufficiently reliable results. The feature of such systems is different mathematical description of the digital control system and the analog power section of the electric drive. The article proposes a modeling technique which takes into account the specifics of construction of modern electric drives.

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Zheleznov, Maxim. "A lifecycle management system for capital construction facilities based on a digital cloud platform implementing information modeling methods and technologies." E3S Web of Conferences 281 (2021): 04007. http://dx.doi.org/10.1051/e3sconf/202128104007.

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The first is the introduction of information modeling technology (IMT) capital construction facilities (CCF) at all stages of the life cycle (LC), as well as information modeling of urban areas for the tasks of urban building and planning. The second is the digitalization of procedures and services in the field of construction, the formation of unified accessible data sets and information platforms that implement a unified information space for the construction industry. To implement the presented tasks, it is proposed to create a distributed life cycle control system for capital construction

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37

Bassam, Fadel, and Andrey Kryukov. "DIGITAL MODELS OF DISTRIBUTION ELECTRIC NETWORK OF IRAQ." Modern Technologies and Scientific and Technological Progress 2020, no. 1 (2020): 187–88. http://dx.doi.org/10.36629/2686-9896-2020-1-187-188.

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The restoration and development of Iraq's electric power industry is planned to be carried out on the basis of the concept of intelligent electric networks (smart grid). To implement this concept, it is necessary to create integrated digital models of electrical networks. Such models can be implemented on the basis of methods and tools for modeling electric power systems in phase coordinates. The report presents the results of modeling normal and emergency modes of distribution electric networks of 11 kV.

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38

Dobychina, Elena, and Mikhail Snastin. "Digital beamform simulation in anechoic chamber." ITM Web of Conferences 30 (2019): 05003. http://dx.doi.org/10.1051/itmconf/20193005003.

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The results of digital beamform simulation, principles of processing and use of the obtained experimental data are presented. Methods were developed and an experimental setup was created for full- scale modeling and measurement of the characteristics of digital antenna systems with spatio-temporal signal processing at the Scientific and Production Center for Radio Information Metrology of the Moscow Aviation Institute (SPC RIM MAI).

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39

Favero, Riccardo, Andrea Volpato, Maurizio De Francesco, Adolfo Di Fiore, Riccardo Guazzo, and Lorenzo Favero. "Accuracy of 3D digital modeling of dental arches." Dental Press Journal of Orthodontics 24, no. 1 (2019): 038e1–037e7. http://dx.doi.org/10.1590/2177-6709.24.1.38.e1-7.onl.

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ABSTRACT Objective: The aim of the study was to verify and compare the accuracy of full-arch digital impressions obtained using two intraoral scanners and three scanning methodologies. Methods: A resin model created with dental 3-D printing was scanned by a reference scanner (Zfx Evolution - Zimmer Biomet, Palm Beach Gardens, FL) in order to obtain a 3D reference; the same resin model was then scanned with two different intraoral scanners (Zfx IntraScan and Carestream 3600 - CS 3600®, Carestream, Rochester, NY, USA) using: Technique A (from tooth #27 up to tooth #17); Technique B (from tooth #

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40

Čertický, Martin, Michal Čertický, Peter Sinčák, Gergely Magyar, Ján Vaščák, and Filippo Cavallo. "Psychophysiological Indicators for Modeling User Experience in Interactive Digital Entertainment." Sensors 19, no. 5 (2019): 989. http://dx.doi.org/10.3390/s19050989.

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Analyses of user experience in the electronic entertainment industry currently rely on self-reporting methods, such as surveys, ratings, focus group interviews, etc. We argue that self-reporting alone carries inherent problems—mainly the misinterpretation and temporal delay during longer experiments—and therefore, should not be used as a sole metric. To tackle this problem, we propose the possibility of modeling consumer experience using psychophysiological measures and demonstrate how such models can be trained using machine learning methods. We use a machine learning approach to model user e

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41

Bi, Yong Li. "Study on Mathematical Modeling Method for Photoelectric Stable Platform." Advanced Materials Research 139-141 (October 2010): 1803–6. http://dx.doi.org/10.4028/www.scientific.net/amr.139-141.1803.

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Nowadays, some kinds of the photoelectric stable platforms have applied the digital controllers. In the course of designing the digital controllers, designers usually depended on the personal experience or the rough mathematical models. As a result, designers spent a long time regulating the control parameters in order to obtain better control performance. Therefore, it is very important and necessary to establish the precise mathematical model for the photoelectric stable platform system before designing the digital controller for it. In the paper, firstly, using principle analyzing method es

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Schleifer, J., T. Coenen, A. Elkammar, and T. G. Noll. "Probabilistic modeling of noise transfer characteristics in digital circuits." Advances in Radio Science 9 (August 1, 2011): 269–72. http://dx.doi.org/10.5194/ars-9-269-2011.

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Abstract. Device scaling, the driving force of CMOS technology, led to continuous decrease in the energy level representing logic states. The resulting small noise margins in combination with increasing problems regarding the supply voltage stability and process variability creates a design conflict between efficiency and reliability. This conflict is expected to rise more in future technologies. Current research approaches on fault-tolerance architectures and countermeasures at circuit level, unfortunately, cause a significant area and energy penalty without guaranteeing absence of errors. To

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Gao, Li, Mingjing Huang, Wuping Zhang, Lei Qiao, Guofang Wang, and Xumeng Zhang. "Comparative Study on Spatial Digital Mapping Methods of Soil Nutrients Based on Different Geospatial Technologies." Sustainability 13, no. 6 (2021): 3270. http://dx.doi.org/10.3390/su13063270.

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Soil organic matter (SOM), total nitrogen (TN), available phosphorus (AP), and available potassium (AK) are important indicators of soil fertility when undertaking a quality evaluation. Obtaining a high-precision spatial distribution map of soil nutrients is of great significance for the differentiated management of nutrient resources and reducing non-point source pollution. However, the spatial heterogeneity of soil nutrients lead to uncertainty in the modeling process. To determine the best interpolation method, terrain, climate, and vegetation factors were used as auxiliary variables to par

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Brovko, E. A., and R. E. Sofinov. "State topographic monitoring. Automated generalization of digital cartographic image: modeling techniques and methods (Part 2)." Geodesy and Cartography 917, no. 11 (2016): 24–31. http://dx.doi.org/10.22389/0016-7126-2016-917-11-24-31.

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Le Coz, Mathieu, François Delclaux, Pierre Genthon, and Guillaume Favreau. "Assessment of Digital Elevation Model (DEM) aggregation methods for hydrological modeling: Lake Chad basin, Africa." Computers & Geosciences 35, no. 8 (2009): 1661–70. http://dx.doi.org/10.1016/j.cageo.2008.07.009.

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Skripchenko, Andrey, and Elena Ivanova. "Modern high-technological methods of forging overprinting seals and stamps in documents." Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia 2020, no. 3 (2020): 170–78. http://dx.doi.org/10.35750/2071-8284-2020-3-170-178.

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The article analyzes the features of modern high-tech methods for counterfeiting overprinting of the seals and stamps in documents. All of them reflect the technological features and technical equipment current time in which they were invented and actively used. The authors pay special attention to the physical modeling of printing plates from overprinting of seals, computer modeling of digital images of overprinting took from the sealing, as well as the manufacture of counterfeit printing plates from digital camera-ready copies of the overprinting obtained in the process of computer simulatio

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Xiong, Lu, and Dean Bruton. "On Procedural Modeling of Urban Form - a Designer’s View and a Research Practice." Advanced Materials Research 374-377 (October 2011): 330–35. http://dx.doi.org/10.4028/www.scientific.net/amr.374-377.330.

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Procedural modeling is a term in computer graphics referring to the creation of digital models with sets of rules. With the user-defined rule sets, digital models can be generated automatically by computers rather than modeled manually. Several popular procedural modeling methods and are listed and compared in the paper. A new research framework on procedural modeling of urban and architecture form is introduced. We also choose Jørn Utzon’s “additive architecture” as a case study and show the possibilities of future urban and architecture design.

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Nazarov, D. M., and D. B. Kovtun. "METHODS FOR CONSTRUCTING AND IMPLEMENTING A DIGITAL GEOINFORMATION MODEL USING MS EXCEL IN A SCHOOL INFORMATICS COURSE." Informatics in school, no. 6 (October 10, 2020): 58–64. http://dx.doi.org/10.32517/2221-1993-2020-19-6-58-64.

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The article describes a methodology for teaching the technology of constructing a geoinformation model using MS Excel. This methodology is built taking into account the Federal State Educational Standard of Secondary General Education and the requirements provided for in the implementation of the approximate educational program of the course "Informatics" along the line "Modeling and Formalization". The authors proposed a laboratory work, within which the students, firstly, learn the new capabilities of the MS Excel package, associated with the use of Power Query and 3D Maps technologies; seco

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Sun, Lu, Long Long Xue, Jia Li Wang, and Chun Yang Zhou. "Research on Modeling Methods of Power Amplifier with Memory Effect in Broadband Communication." Applied Mechanics and Materials 687-691 (November 2014): 4060–63. http://dx.doi.org/10.4028/www.scientific.net/amm.687-691.4060.

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Memory effect of power amplifier (PA) due to broadband signals which adopt new modulation technique is becoming obvious, and worsening the linearity of PA. Behavioral modeling for RF (Radio Frequency) power amplifier is indispensable to design digital pre-distortion system by which we can promote the efficiency of PA. According to the simulation data in the software of ADS (Advanced Design System), behavioral models of MRF21085 amplifier can be established by MATLAB. Comparison of memory polynomial model and ADS simulation of MRF21085 amplifier demonstrate memory polynomial model can represent

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Wittmann, Rachel, Anna Neatrour, Rebekah Cummings, and Jeremy Myntti. "From Digital Library to Open Datasets." Information Technology and Libraries 38, no. 4 (2019): 49–61. http://dx.doi.org/10.6017/ital.v38i4.11101.

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This article discusses the burgeoning “collections as data” movement within the fields of digital libraries and digital humanities. Faculty at the University of Utah’s Marriott Library are developing a collections as data strategy by leveraging existing Digital Library and Digital Matters programs. By selecting various digital collections, small- and large-scale approaches to developing open datasets are explored. Five case studies chronicling this strategy are reviewed, along with testing the datasets using various digital humanities methods, such as text mining, topic modeling, and GIS (geog

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