Showing 17,341 - 17,360 results of 19,524 for search '"mathematics"', query time: 0.08s Refine Results
  1. 17341

    Terahertz Generation in an Electrically Biased Optical Fiber: A Theoretical Investigation by Montasir Qasymeh

    Published 2012-01-01
    “…A ring resonator is utilized to boost the optical intensities in the biased optical fiber. A mathematical model is developed which is supported by a numerical analysis and simulations. …”
    Get full text
    Article
  2. 17342

    A New Buckling-Restrained Brace with a Variable Cross-Section Core by Liang Li, Tianhua Zhou, Junwu Chen, Jianfeng Chen

    Published 2019-01-01
    “…The practical design equations of the BRB-VCC are derived based on mechanical and mathematical theories. Six specimens are designed and tested to clarify the mechanical behaviours of the BRB-VCC and to validate the reliability of the proposed equations. …”
    Get full text
    Article
  3. 17343

    Modeling the Effects of Nonpharmaceutical Interventions on COVID-19 Spread in Kenya by Duncan K. Gathungu, Viona N. Ojiambo, Mark E. M. Kimathi, Samuel M. Mwalili

    Published 2020-01-01
    “…Mathematical modeling of nonpharmaceutical interventions (NPIs) of coronavirus disease (COVID-19) in Kenya is presented. …”
    Get full text
    Article
  4. 17344

    Experimental determination of limiting range of vision for underwater laser system by A. S. Golosnoy

    Published 2020-06-01
    “…The calculations and field tests carried out on the basis of the developed mathematical model in real conditions showed the correspondence of theoretical and experimental results.…”
    Get full text
    Article
  5. 17345

    CONTRIBUTION OF UNN RADIOPHYSICISTS TO DEFENSE, SCIENCE, AND INNOVATION by Sergey N. Gurbatov, Valeriy V. Matrosov, Arkadiy V. Yakimov

    Published 2016-12-01
    “…Fundamental physical and mathematical education and an individual approach are the foundations of learning process organization at the Faculty. …”
    Get full text
    Article
  6. 17346

    Statistical Analysis of Video Frame Size Distribution Originating from Scalable Video Codec (SVC) by Sima Ahmadpour, Tat-Chee Wan, Zohreh Toghrayee, Fariba HematiGazafi

    Published 2017-01-01
    “…The modeling of video frame sizes is normally applied in simulation studies and mathematical analysis and generating streams for testing and compliance purposes. …”
    Get full text
    Article
  7. 17347

    Dynamic Responses of an Overhead Crane’s Beam Subjected to a Moving Trolley with a Pendulum Payload by Huasen Liu, Wenming Cheng, Yinqi Li

    Published 2019-01-01
    “…The differential equation motion of a coupled overhead crane system was derived based on the Lagrange equation. Mathematical solution was carried out by using the Newmark-β integral method. …”
    Get full text
    Article
  8. 17348

    New non‐homogeneous Poisson process software reliability model based on a 3‐parameter S‐shaped function by Hung‐Cuong Nguyen, Quyet‐Thang Huynh

    Published 2022-04-01
    “…Abstract Software reliability modelling is the mathematical technique used to evaluate the reliability of a software system. …”
    Get full text
    Article
  9. 17349

    Extraction of Fetal Electrocardiogram by Combining Deep Learning and SVD-ICA-NMF Methods by Said Ziani, Yousef Farhaoui, Mohammed Moutaib

    Published 2023-09-01
    “…It is based on the Convolutional Neural Network (CNN) combined with advanced mathematical methods, such as Independent Component Analysis (ICA), Singular Value Decomposition (SVD), and a dimension-reduction technique like Nonnegative Matrix Factorization (NMF). …”
    Get full text
    Article
  10. 17350

    The Airport Gate Assignment Problem: A Survey by Abdelghani Bouras, Mageed A. Ghaleb, Umar S. Suryahatmaja, Ahmed M. Salem

    Published 2014-01-01
    “…Our survey covers both theoretical and real AGAP with the description of mathematical formulations and resolution methods such as exact algorithms, heuristic algorithms, and metaheuristic algorithms. …”
    Get full text
    Article
  11. 17351

    Spectral efficient optimisation for multihop relay networks adopting HARQ schemes by Junmei Han, Yong Xi, Jibo Wei

    Published 2017-03-01
    “…However, this problem is not always mathematically tractable for three HARQ schemes. Hence, low‐complexity iterative algorithms are proposed to obtain the optimisation strategies. …”
    Get full text
    Article
  12. 17352

    Efficient Design Methodology for a Complex DRA-SIW Filter-Antenna Subsystem by Umair Naeem, Amjad Iqbal, Muhammad Farhan Shafique, Stéphane Bila

    Published 2017-01-01
    “…The work focuses on the characterization of radiating and filtering elements and then proposes a reliable model, which is derived mathematically as well as from rigorous statistical analyses, which can then be used for designing hybrid filter-antenna structures such as a hybrid DRA codesigned with a SIW based multimode filter. …”
    Get full text
    Article
  13. 17353

    INFLUENCE OF LINING THERMAL PERFORMANCE IN ELECTRIC-ARC FURNACES ON POWER CONSUMPTION by S.. V. Korneev

    Published 2014-06-01
    “…It has been  shown that on the basis of mathematical modeling methods for thermal processes it is possible to predict power consumption of furnaces at the operational split schedule with due account of such furnace characteristics as capacity, lining materials, furnace idle times under closed and open conditions etc. …”
    Get full text
    Article
  14. 17354

    L’enseignement de l’EPS comme espace de bien-être relationnel by Emmanuel Fernandes, Iman Nefil, Sébastien Calais, Célia Yakoubi

    Published 2023-12-01
    “…In Maths, the representations reflect a stereotyped rigour of pupils frozen by the mathematical operations to be performed. In French, the representations reflect a relational malaise and a rejection of this discipline. …”
    Get full text
    Article
  15. 17355

    Increasing the cyclic strength of threaded joints through the unloading of cracked sections by Krenevičius A., Kačianauskas R., Leonavičius M., Hui D., Feo L.

    Published 2012-01-01
    “…It was shown how to exploit resources of the threaded joint after opening of the crack without reduction of the safety. The developed mathematical model allows control the accumulation of the fatigue damage as well as the crack growth in the roots of the stud thread. …”
    Get full text
    Article
  16. 17356

    Alpha Power Transformed Inverse Lomax Distribution with Different Methods of Estimation and Applications by Ramadan A. ZeinEldin, Muhammad Ahsan ul Haq, Sharqa Hashmi, Mahmoud Elsehety

    Published 2020-01-01
    “…The APTIL distribution is more flexible than inverse Lomax distribution. We derived some mathematical properties including moments, moment generating function, quantile function, mode, stress strength reliability, and order statistics. …”
    Get full text
    Article
  17. 17357

    Functionally Graded Materials: An Overview of Stability, Buckling, and Free Vibration Analysis by Ning Zhang, Tahir Khan, Haomin Guo, Shaoshuai Shi, Wei Zhong, Weiwei Zhang

    Published 2019-01-01
    “…Moreover, the analyses of mathematical models adopted for the aforementioned analyses are not the core purpose of this paper. …”
    Get full text
    Article
  18. 17358

    Planar Smooth Path Guidance Law for a Small Unmanned Aerial Vehicle with Parameter Tuned by Fuzzy Logic by Yang Chen, Jianhong Liang, Chaolei Wang, Yicheng Zhang, Tianmiao Wang, Chenghao Xue

    Published 2017-01-01
    “…The guidance law only needs the mathematical expression for the predefined path, the positions, and the velocities of the vehicle in the horizontal inertial frame. …”
    Get full text
    Article
  19. 17359

    A Decision-Making Model Using Machine Learning for Improving Dispatching Efficiency in Chengdu Shuangliu Airport by Yingmiao Qian, Shuhang Chen, Jianchang Li, Qinxin Ren, Jinfu Zhu, Ruijia Yuan, Hao Su

    Published 2020-01-01
    “…Aiming at the problem of optimizing the allocation of taxi resource, this paper is based on the cost-benefit analysis method to determine the factors that affect the taxi driver’s decision-making. The mathematical methods such as function equation, BP neural network algorithm, and queuing theory were used to establish a complete decision-making model for taxi drivers and an optimization model of dispatching efficiency at the airport. …”
    Get full text
    Article
  20. 17360

    Ooi K. T., Shakya P. A Simulation studies of a coupled vane compressor / trans. from Engl. M. A. Fedorova by M. A. Fedorova

    Published 2020-03-01
    “…In this paper, the mathematical models of the novel Coupled Vane compressor (CVC) is formulated to study its operational characteristics and to assess its performance. …”
    Get full text
    Article