Showing 7,641 - 7,660 results of 13,904 for search '"estimator"', query time: 0.07s Refine Results
  1. 7641

    DTA measurements in the ternary Ag-Au-Ga system by Jendrzejczyk-Handzlik D., Handzlik P.

    Published 2020-01-01
    “…Next, the obtained experimental results were used to estimate the temperatures of liquidus by applying extrapolation to a zero rate. …”
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  2. 7642

    Optimizing alpha–beta filter for enhanced predictions accuracy in industrial applications using Mamdani fuzzy inference system by Junaid Khan, Muhammad Fayaz, Umar Zaman, Eunkyu Lee, Awatef Salim Balobaid, Muhammad Bilal, Kyungsup Kim

    Published 2025-04-01
    “…This work presents a novel approach for dynamically optimizing the alpha–beta filter parameters through the Mamdani fuzzy inference system (MFIS) for industrial applications to estimate the state of dynamic systems based on sensor measurements. …”
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  3. 7643

    Prevalence and severity of academic burnout in college students during the COVID-19 pandemic by Rosa Seperak-Viera, Manuel Fernández-Arata, Sergio Dominguez Lara

    Published 2021-07-01
    “…The objective was to estimate the prevalence of AB, based on the emotional exhaustion experienced by university students, and the differences according to the student's year of study and sex. …”
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  4. 7644

    The effect of the Covid pandemic on stock market volatility: Separating initial impact from time-to-recovery by Jin Zeng, Yijia Zhang, Yun Yin, Peter G Moffatt

    Published 2024-11-01
    “…The profile likelihood method is used for estimation. The model decomposes the overall impact of the crisis into two measures: the initial impact, and the 'half-life' of the shock. …”
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  5. 7645

    Revised Rebound Hammer and Pull-Out Test Strength Curves for Fiber-Reinforced Concrete by Peng Deng, Yan Sun, Yan Liu, Xiaoxiao Song

    Published 2020-01-01
    “…Rebound hammer tests and postinstalled pull-out tests are commonly used for evaluating the compressive strength of ordinary concrete, and the strength of concrete is estimated by strength curves. However, using these strength curves to predict the compressive strength of carbon fiber-reinforced concrete (CFRC), polypropylene fiber-reinforced concrete (PFRC), and carbon-polypropylene hybrid fiber-reinforced concrete (HFRC) may lead to considerable uncertainties. …”
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  6. 7646

    Effect of the Boron Powder on Surface AISI W2 Steel: Experiments and Modelling by Marco Antonio Doñu Ruiz, David Sánchez Huitron, Ernesto David Garcia Bustos, Víctor Jorge Cortés Suárez, Noé López Perrusquia

    Published 2021-01-01
    “…The morphology of Fe2B layer was smooth and boron activation energy in W2 steel was estimated as 187.696 kJ·mol−1. The kinetic model was validated with two experimental conditions, a contour diagram describing the evolution of Fe2B layer as a function of time and temperature parameters for industrial application.…”
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  7. 7647

    A Highly Selective Fluorescent Probe for Hypochlorous Acid in Living Cells Based on a Naphthalene Derivative by Jingguo Sun, Junhong Xu, Qiujuan Ma, Guojiang Mao, Nannan Zhu, Meiju Tian, Linke Li, Shuzhen Liu

    Published 2022-01-01
    “…The detection limit was estimated to be 1.5 × 10−7 mol·L−1 for HOCl. The fluorescent probe showed fast response and outstanding selectivity toward HOCl. …”
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  8. 7648

    Heat and Helium-3 Fluxes from Teide Volcano, Canary Islands, Spain by Mar Alonso, Eleazar Padrón, Hirochika Sumino, Pedro A. Hernández, Gladys V. Melián, María Asensio-Ramos, Fátima Rodríguez, Germán Padilla, Marta García-Merino, Cecilia Amonte, Nemesio M. Pérez

    Published 2019-01-01
    “…Diffuse CO2 output was 211±20 t d-1, and 3He emission was estimated to be within a range between 0.35 and 0.89 mol y-1. …”
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  9. 7649

    A Bionic Social Learning Strategy Pigeon-Inspired Optimization for Multi-Unmanned Aerial Vehicle Cooperative Path Planning by Yankai Shen, Xinan Liu, Xiao Ma, Hong Du, Long Xin

    Published 2025-01-01
    “…Subsequently, a path-planning model, detection units’ network model, and cost estimation are constructed. The developed BSLSPIO is utilized to generate feasible paths for UAVs, adhering to time consistency constraints. …”
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  10. 7650

    Adjunctive Sitagliptin Therapy in Postoperative Cardiac Surgery Patients: A Pilot Study by Marcia L. Brackbill, Ateequr Rahman, Jeffrey S. Sandy, M. Denton Stam, Arthur F. Harralson

    Published 2012-01-01
    “…The primary endpoint was to estimate the effect of adjunctive sitagliptin versus placebo on overall mean blood glucose in the 4-day period after surgery. …”
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  11. 7651

    Segmentation of Myocardial Boundaries in Tagged Cardiac MRI Using Active Contours: A Gradient-Based Approach Integrating Texture Analysis by Aymeric Histace, Bogdan Matuszewski, Yan Zhang

    Published 2009-01-01
    “…Tracking the grid allows specialists a local estimation of cardiac geometrical parameters within myocardium. …”
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  12. 7652

    Energy-Based Analysis of Ultrasonically Assisted Turning by G.A. Volkov, V.A. Bratov, A.A. Gruzdkov, V.I. Babitsky, Y.V. Petrov, V.V. Silberschmidt

    Published 2011-01-01
    “…The active stage of loading duration depends heavily on ultrasonic frequency and the cutting speed; he application of the fracture criterion based on the notion of incubation time makes it possible to calculate a dependence of this duration on its threshold amplitude. An estimation of energy, necessary to create a threshold pulse in the material, is made by solving the contact Hertz problem. …”
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  13. 7653

    Gear Fault Diagnosis in Variable Speed Condition Based on Multiscale Chirplet Path Pursuit and Linear Canonical Transform by Xu Shuiqing, Zhang Ke, Chai Yi, He Yigang, Feng Li

    Published 2018-01-01
    “…First, by using the MSCPP method to estimate the instantaneous meshing frequency, the suitable signal segment approximation to the acceleration or deceleration process can be selected. …”
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  14. 7654

    Guaranteed Stability of Sparse Recovery in Distributed Compressive Sensing MIMO Radar by Yu Tao, Gong Zhang, Jindong Zhang

    Published 2015-01-01
    “…Numerical results show that this scheme of DCS-MIMO radar could estimate targets’ parameters accurately and demonstrate that the proposed stability guarantee could further reduce the amount of data to be transferred and processed. …”
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  15. 7655

    Complexity of a Microblogging Social Network in the Framework of Modern Nonlinear Science by Andrey Dmitriev, Vasily Kornilov, Svetlana Maltseva

    Published 2018-01-01
    “…The self-organized criticality theory constitutes the foundation of this paradigm. To estimate the complexity of a microblogging social network, we used one of the conceptual schemes of the paradigm, namely, the system of key signs of complexity of the external manifestations of the system irrespective of its internal structure. …”
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  16. 7656

    Model Calculation of Enhanced Light Absorption Efficiency in Two-Dimensional Photonic Crystal Phosphor Films by Taehun Kim, Sanghoon Lee, Kyungtaek Min

    Published 2024-12-01
    “…The embedment of a thin-film layer with a high refractive index on the surface of the QD film enables an effective localization of excitation light within the phosphor. A numerical estimation shows that the optimized 2D PhC QD film can enhance the light absorption by up to 4.2 times with a monochromatic source and by up to 1.8 times with a broadband (FWHM~30 nm) source compared to a flat-type reference QD film.…”
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  17. 7657

    Heavy metal concentration and potential health risk assessment for the European eel (Anguilla anguilla, Linnaeus 1758) from the Gediz Delta (Eastern Aegean, Türkiye) by Taş Elif Çağrı, Başaran Aslı, Sunlu Uğur, Salman Alp

    Published 2024-06-01
    “…Heavy metal accumulation levels in edible muscle tissue of the eels were compared with national and international standards, and Estimated Weekly Intake (EWI), Target Hazard Quotient (THQ), and Total Target Hazard Quotient (Σ THQ) were calculated. …”
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  18. 7658

    Bearing Capacity of Recycled Self-Compacting Concrete-Filled Circular Steel Tubular Long Columns Subjected to Axial Load by Feng Yu, Jie Song, Shuangshuang Bu, Jingfeng Wang, Haiying Wan, Wanyu Shen, Wei Huang, Yuan Fang

    Published 2021-01-01
    “…Based on the combined tangent modulus theory and bearing capacity of the RSCCFCST short columns, two estimation models are presented to predict the ultimate bearing capacity of the RSCCFCST long columns. …”
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  19. 7659

    Collaborative Penalized Least Squares for Background Correction of Multiple Raman Spectra by Long Chen, Yingwen Wu, Tianjun Li, Zhuo Chen

    Published 2018-01-01
    “…Based on weighted penalized least squares, the new approaches will use the fused weights from multiple spectra or the weights from the average spectrum to estimate the background of each spectrum in the set. …”
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  20. 7660

    The effect of academic enthusiasm on academic hope through the mediating role of academic optimism in students by Gholamhasan Panahi, Tayebeh Ordouni, Sajad Kazemi

    Published 2023-08-01
    “…The content validity and reliability of the questionnaires were estimated using Cronbach's alpha coefficient of 0.79, academic optimism 0.81 and academic hope 0.84.The results showed that academic enthusiasm had a direct and significant effect on academic hope and academic enthusiasm on students' academic optimism.…”
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