Showing 2,001 - 2,020 results of 2,218 for search '"mathematical model"', query time: 0.07s Refine Results
  1. 2001

    A cooperative jamming decision-making method based on multi-agent reinforcement learning by Bingchen Cai, Haoran Li, Naimin Zhang, Mingyu Cao, Han Yu

    Published 2025-02-01
    “…The proposed approach achieves high-quality and efficient target allocation, jamming mode selection, and power control. Mathematical models for radar systems and active jamming are developed to represent a multi-jammer and multi-radar electromagnetic confrontation scenario. …”
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    Article
  2. 2002

    Tajikistan’s business sector for years of independence: problems and development models by A. A. Urunov, I. M. Morozova, K. K. Zoidov, M. G. Mansurova

    Published 2023-03-01
    “…The purpose of the study is to develop strategic priorities for the development of the business sector of Tajikistan based on the analysis of the structure of the economy of the republic and its dynamics, as well as the use of economic and mathematical modeling of the object under study. The article identifies the main obstacles to the development of the business sector, including: inefficient functioning of management institutions and the market; insufficient development of human capital; underdeveloped industrial and social infrastructure, as well as the legal framework governing the relations of the state, business, labor, etc. …”
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    Article
  3. 2003

    An improved dual-sink architecture with a modified media access control protocol, energy-aware, and quality-of-service guaranteed routing algorithms for wireless body area network by Abdullahi Abdu Ibrahim

    Published 2022-10-01
    “…In addition, in our proposed model, linear programming which is based on mathematical models was used to model the network lifetime maximization and continuous data transmission minimization. …”
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    Article
  4. 2004

    Opportunities for gas-phase science at short-wavelength free-electron lasers with undulator-based polarization control by Markus Ilchen, Enrico Allaria, Primož Rebernik Ribič, Heinz-Dieter Nuhn, Alberto Lutman, Evgeny Schneidmiller, Markus Tischer, Mikail Yurkov, Marco Calvi, Eduard Prat, Sven Reiche, Thomas Schmidt, Gianluca Aldo Geloni, Suren Karabekyan, Jiawei Yan, Svitozar Serkez, Zhangfeng Gao, Bangjie Deng, Chao Feng, Haixiao Deng, Wolfram Helml, Lars Funke, Mats Larsson, Vitali Zhaunerchyk, Michael Meyer, Tommaso Mazza, Till Jahnke, Reinhard Dörner, Francesca Calegari, Olga Smirnova, Caterina Vozzi, Giovanni De Ninno, Jonas Wätzel, Jamal Berakdar, Sadia Bari, Lucas Schwob, Jérémy R. Rouxel, Shaul Mukamel, Klaus Bartschat, Kathryn Hamilton, Luca Argenti, Nicolas Douguet, Nikolay M. Novikovskiy, Philipp V. Demekhin, Peter Walter

    Published 2025-01-01
    “…This roadmap comprises descriptions of technological capabilities of facilities worldwide, innovative diagnostics and instrumentation, as well as recent scientific highlights, novel methodology, and mathematical modeling. The experimental and theoretical landscape of using polarization controllable FELs for dichroic light-matter interaction in the gas phase will be discussed and comprehensively outlined to stimulate and strengthen global collaborative efforts of all disciplines.…”
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    Article
  5. 2005

    Exploration of Key Factors in the Preparation of Highly Hydrophobic Silica Aerogel from Rice Husk Ash Assisted by Machine Learning by Yun Deng, Ziyan Sha, Xingxing Wang, Ke Duan, Weijie Xue, Ian Beadham, Xiaolan Xiao, Changbo Zhang

    Published 2025-01-01
    “…To expand the applications of hydrophobic silica aerogels derived from rice husk ash (HSA) through simple traditional methods (without adding special materials or processes), this paper employs machine learning to establish mathematical models to identify optimal conditions for extracting water glass and investigates how preparation conditions and heat treatment temperatures affect properties such as the porosity and hydrophobicity of HSA. …”
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    Article
  6. 2006
  7. 2007
  8. 2008
  9. 2009

    Some Investigations on Protease Enzyme Production Kinetics Using Bacillus licheniformis BBRC 100053 and Effects of Inhibitors on Protease Activity by Zahra Ghobadi Nejad, Soheila Yaghmaei, Nazanin Moghadam, Bahareh Sadeghein

    Published 2014-01-01
    “…In this study, mathematical modeling of protease enzyme production kinetics which is derived from Bacillus licheniformis BBRC 100053 was studied (at 37°C, pH 10 after 73 h in stationary phase, and 150 rpm). …”
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    Article
  10. 2010

    Overview of modern technologies for measuring, predicting and correcting turbulent distortions in optical waves by V.P. Lukin, I.P. Lukin

    Published 2024-02-01
    “…The work consists of the following parts: description of a technique for measuring fluctuations of optical waves in an atmospheric path, theoretical calculations of fluctuations by analytical analysis and mathematical modeling methods, technology for predicting turbulent air movement by the numerical solution of the Navier–Stokes equations and, finally, constructing adaptive optics systems that compensate for the turbulent distortions in optoelectronic image construction systems. …”
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    Article
  11. 2011

    Investigation of Mechanical Properties of FDM-Processed Acacia concinna–Filled Polylactic Acid Filament by S. Muthu Natarajan, S. Senthil, P. Narayanasamy

    Published 2022-01-01
    “…To estimate the strength of PLA/AC composites, mathematical models were developed. In addition, the fractured specimen was examined using scanning electron microscopy to determine the mechanism of fracture. …”
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    Article
  12. 2012

    Students' misconceptions in algebraic concepts: A four-tier diagnostic test approach by Hestu Wilujeng, Aristiawan, Joel I. Alvarez

    Published 2025-02-01
    “…The test consisted of 12 questions covering four aspects of algebraic thinking: problem-solving, mathematical modeling, generalization, and analytical thinking. …”
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    Article
  13. 2013

    Cluster validity indices for automatic clustering: A comprehensive review by Abiodun M. Ikotun, Faustin Habyarimana, Absalom E. Ezugwu

    Published 2025-01-01
    “…Different cluster validity indices exhibit different characteristics based on the mathematical models they employ in determining the values for the various cluster attributes. …”
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    Article
  14. 2014
  15. 2015

    Bench Testing and Modeling Analysis of Optimum Shifting Point of HMCVT by Yu Qian, Zhun Cheng, Zhixiong Lu

    Published 2021-01-01
    “…To decrease shift impact on agricultural tractors with HMCVT (Hydromechanical Continuously Variable Transmission) and find the best working point, the following methods are proposed in this paper: firstly, conducting all-factor method and response surface method (RSM) to design and carry out bench test of shift impact; secondly, using the basic linear fitting, RSM, and stepwise regression analysis to establish comprehensive mathematical models and selecting models with high prediction accuracy; thirdly, putting forward the method of determining the weight of variance to match parameters of three quality evaluation indexes with inconsistent correlation; finally, establishing the total shift quality evaluation index and obtaining the optimal shift working point. …”
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    Article
  16. 2016

    A Wet-Stock Management and Leak Detection System for Fuel Tanks by Ayşe Nur Dalman, Murat Oluş Özbek

    Published 2020-12-01
    “…This goal is achieved through obtaining the mathematical models for simple cylindrical tank that convert the measured liquid height to accurate liquid volume by taking into account the tank deformations. …”
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    Article
  17. 2017

    Diabetes Technology: Markers, Monitoring, Assessment, and Control of Blood Glucose Fluctuations in Diabetes by Boris P. Kovatchev

    Published 2012-01-01
    “…Diabetes technology has progressed remarkably over the past 50 years—a progress that includes the development of markers for diabetes control, sophisticated monitoring techniques, mathematical models, assessment procedures, and control algorithms. …”
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    Article
  18. 2018

    Complex application of mathematical methods in diagnostics of diffuse liver diseases by I. Yu. Pirogova, S. A. Pyshkin, A. A. Bolotov

    Published 2011-02-01
    “…At inaccessibility of LB for diagnostics, LF stage can be assessed by noninvasive methods based on mathematical modelling with plotting of «images» of various etiological forms, LF stages and HAI of disease. …”
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    Article
  19. 2019

    Design of Network and Pole for Meeting Lighting, Communication, and Energy Needs from a Single Source in Disasters by Levent Aksoy, İlknur Yardımcı Coşkun

    Published 2025-01-01
    “…In this study, following a systematic literature review, a multifunctional pole design was developed using engineering design methods, and the system's capacity and other parameters were evaluated through mathematical modeling. This hybrid pole provides a network structure offering integrated lighting, energy, and communication services during and after disasters. …”
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    Article
  20. 2020

    Using Simplified Models to Assist Fault Detection and Diagnosis in Large Hydrogenerators by Geraldo Carvalho Brito Junior, Roberto Dalledone Machado, Anselmo Chaves Neto

    Published 2017-01-01
    “…To overcome such difficulty, this article proposes a back-to-basics step, the using of simplified mathematical models to assist hydrogenerators vibration monitoring and exemplifies this proposal by modeling a 700 MW hydrogenerator. …”
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    Article