Кафедра інформатики

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Browsing Кафедра інформатики by Author "Hlybovets, Andrii"

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    Emitter Position Estimation Using Time Difference of Arrival
    (2022) Musiiaka, O.; Hlybovets, Andrii
    As a result of this work, the estimator convergence speed was improved by using a local linear transform. This new approach can be considered an adaptation of the Newton-Raphson algorithm with the Hessian matrix replaced with a statistically approximated value that guarantees the algorithm convergence and reduces the amount of computation. Performance testing of the optimization algorithms has shown that the proposed algorithm outperforms the steepest gradient descent 28.2 times and “momentum” modification 7.8 times on the CPU implementation.
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    Investigation of the relationship between software metrics measurements and its maintainability degree
    (2020) Shapoval, Oleksandr; Hlybovets, Andrii
    The goal of this thesis was to practically learn methods of empirical engineering software, algorithms for data collection and data analysis. Results include software measurement, analysis and selection of direct and indirect metrics for research and identification of dependencies between direct and indirect metrics. On the basis of received result were built dependencies between software metrics and software expertise properties. Metrics and properties selected by individual variation. Relationship between metric and expertise includes building direct relationships between the metric and expertise, indirect metrics and expertise. Additionally, was determined whether they have common trends of the relationship between those direct metrics and expert estimates, indirect metrics and expert estimates.