Showing 3,641 - 3,660 results of 13,904 for search '"estimator"', query time: 0.07s Refine Results
  1. 3641

    Spatiotemporal variation in biomass abundance of different algal species in Lake Hulun using machine learning and Sentinel-3 images by Zhaojiang Yan, Chong Fang, Kaishan Song, Xiangyu Wang, Zhidan Wen, Yingxin Shang, Hui Tao, Yunfeng Lyu

    Published 2025-01-01
    “…The results indicated that XGBoost exhibited the highest accuracy (R2 = 0.92, RMSE = 1.78%, MAPE = 9.96%) in estimating Cyanophyta’s biomass abundance. The RF model demonstrated the highest accuracy for estimating Chlorophyta’s biomass abundance (R2 = 0.72, RMSE = 6.57%, MAPE = 50.8%), while the GBDT model exhibited the highest accuracy for estimating Bacillariophyta’s biomass abundance (R2 = 0.9, RMSE = 4.66%, MAPE = 47.87%). …”
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  2. 3642

    Excess Sensitivity and Financial Development in the Iranian Households by Amineh Mahmoudzadeh, Kamyab Rajabizadeh, Majid Einian

    Published 2024-12-01
    “…Second, it mitigates the issues arising from the short time series data, which can lead to estimation errors. Previous research has estimated the coefficient of excess sensitivity of consumption. …”
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  3. 3643

    MODERN APPROACHES TO MORTGAGE LENDING IN FOREIGN ECONOMIC PRACTICE by R. Khusikhanov

    Published 2016-09-01
    “…The features of mortgage institutes created as a result of the international practice of mortgage lending are estimated.…”
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  4. 3644

    Exploring the Associations between Sleep Problems and Chronic Musculoskeletal Pain in Adolescents: A Prospective Cohort Study by Lee Harrison, Sue Wilson, Marcus R Munafò

    Published 2014-01-01
    “…BACKGROUND: The prevalence of musculoskeletal chronic pain in adolescents is estimated to be approximately 4% to 40%. The development of musculoskeletal pain during teenage years could have a marked impact on physical, psychological and social well-being.…”
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  5. 3645

    Logic Structure of Means Used for Higher Dynamic Stability of Power Transmission Systems by G. E. Pospelov

    Published 2009-08-01
    “…The paper contains a proposal for classification of means used for higher dynamic stability of power transmission systems on the basis of a differential equation of generator rotor motion which makes possible to estimate efficiency of these means.…”
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  6. 3646

    INDICES OF PAYING CAPACITY AND COEFFICIENTS OF LIQUIDITY IN ACTIVITY OF ENTERPRISES by I. I. Chvankova

    Published 2006-11-01
    “…The different approaches to estimation of liquidity indices are examined. These indices allow to cany out an operative control of financial position of the enterprise. …”
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  7. 3647

    Mean Convergence Rate of Derivatives by Lagrange Interpolation on Chebyshev Grids by Wang Xiulian, Ning Jingrui

    Published 2011-01-01
    “…We consider the rate of mean convergence of derivatives by Lagrange interpolation operators based on the Chebyshev nodes. Some estimates of error of the derivatives approximation in terms of the error of best approximation by polynomials are derived. …”
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  8. 3648

    A New Subclass of Analytic Functions Related to Mittag-Leffler Type Poisson Distribution Series by Nazek Alessa, B. Venkateswarlu, P. Thirupathi Reddy, K. Loganathan, K. Tamilvanan

    Published 2021-01-01
    “…The object of this work is to an innovation of a class k−U~STsℏ,υ,τ,ι,ς in Y with negative coefficients, further determining coefficient estimates, neighborhoods, partial sums, convexity, and compactness of this specified class.…”
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  9. 3649

    High-Order Iterative Methods for the DMP Inverse by Xiaoji Liu, Naping Cai

    Published 2018-01-01
    “…The necessary and sufficient conditions for convergence of our schemes are considered and the error estimate is also derived. Numerical examples are given to test the accuracy and effectiveness of our methods.…”
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  10. 3650

    On the Optimal Shock Isolation of a System with One and a Half Degrees of Freedom by D.V. Balandin, N.N. Bolotnik, W.D. Pilkey

    Published 1999-01-01
    “…The error of such an approximation is estimated. Numerical examples are presented.…”
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  11. 3651

    Some results on cascade discrete-time systems

    Published 2006-01-01
    “…Considering failure of the global asymptotic stability in some cascade systems, we give an estimate of the region of attraction of the systems.…”
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  12. 3652

    The analysis of temperature regime of low-speed stage with change in ratio of time and return stroke of piston by V. L. Yusha, S. S. Busarov, A. V. Nedovenchany

    Published 2018-12-01
    “…The effect of the operating mode of the drive on the efficiency of the working cycle is estimated…”
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  13. 3653

    Economic Contributions of Florida's Agricultural, Natural Resource, Food and Kindred Product Manufacturing and Distribution, and Service Industries in 2008 by Alan W. Hodges, Mohammad Rahmani

    Published 2010-04-01
    “…Hodges and Mohammad Rahmani, provides estimates of these industries’ economic contributions to Florida in 2008. …”
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  14. 3654

    Reliability Characteristics of Thermal and Mechanical Equipment by N. B. Kаrnitsky, S. N. Shichko

    Published 2006-12-01
    “…The paper analyses influence of the main and auxiliary thermal and mechanical equipment on the reliability of a power unit operation. An estimation of a unit importance in the structural scheme of the power unit depending on its operational time to first failure.…”
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  15. 3655

    ASSESSMENT OF FOREIGN EXPERIENCE OF STIMULATION OF INNOVATIVE ACTIVITY OF SUBJECTS OF BUSINESS by A. Kirillov

    Published 2016-02-01
    “…Possibilities of the developed countries on the state support of small innovative business are estimated.…”
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  16. 3656

    Fractional Gagliardo–Nirenberg interpolation inequality and bounded mean oscillation by Van Schaftingen, Jean

    Published 2023-09-01
    “…We prove Gagliardo–Nirenberg interpolation inequalities estimating the Sobolev semi-norm in terms of the bounded mean oscillation semi-norm and of a Sobolev semi-norm, with some of the Sobolev semi-norms having fractional order.…”
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  17. 3657

    Economic Contributions of Florida's Agricultural, Natural Resource, Food and Kindred Product Manufacturing and Distribution, and Service Industries in 2008 by Alan W. Hodges, Mohammad Rahmani

    Published 2010-04-01
    “…Hodges and Mohammad Rahmani, provides estimates of these industries’ economic contributions to Florida in 2008. …”
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    Article
  18. 3658

    An Opial-Type Inequality on Time Scales by Qiao-Luan Li, Wing-Sum Cheung

    Published 2013-01-01
    “…These extend some known results in the continuous case in the literature and provide new estimates in the setting of time scales.…”
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  19. 3659

    Satellite Attitude Control System Simulator by G.T. Conti, L.C.G. Souza

    Published 2008-01-01
    “…Simulations have shown that both methods have estimated the system parameters with small error. However, the least square recursive methods have performance more adequate for the SACSS objectives. …”
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  20. 3660

    Robust Localization in Distributed MIMO Radar Using Delay and Angle Measurements with Impulsive Noise Robust TD/AOA Localization in Impulsive Noise by Genling Huang, Yanlong Zhu

    Published 2021-01-01
    “…Moreover, the Cramér–Rao bound (CRB) for target position estimation in impulsive noise is also derived, generalizing the Gaussian CRB. …”
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