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Wyniki wyszukiwania dla: spline estimator
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Accurate design of pseudoelliptic inline SIW filters with frequency-dependent couplings
PublikacjaThis paper presents an accurate synthesis method for inline SIW (Substrate Integrated Waveguide) generalized Chebyshev bandpass filters with frequency-dependent couplings. The technique is based on the synthesis of a coupling matrix that takes into account the impedance of the frequency-dependent stub. Thus, a loading effect compensation in adjacent resonators (via resonant frequency adjustment) and coupling elements (via coupling-value...
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Further Developments of the Online Sound Restoration System for Digital Library Applications
PublikacjaNew signal processing algorithms were introduced to the online service for audio restoration available at the web address: www.youarchive.net. Missing or distorted audio samples are estimated using a specific implementation of the Jannsen interpolation method. The algorithm is based on the autoregressive model (AR) combined with the iterative complementation of signal samples. Since the interpolation algorithm is computationally...
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TOPOLOGICAL CLUES FOR PREDICTING OUTCOMES OF MULTIPLAYER ONLINE BATTLE ARENA GAMES
PublikacjaWith 27 million people playing League of Legends every day, e-sports became more and more important part of our everyday life. Rise of its popularity builds a demand for better understanding e-sports mechanics on a deeper level. In the article, we test a hypothesis that it is possible to predict an outcome of Multiplayer Online Battle Arena game based on topological clues only (such as area of polygon where vertices are players...
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Wysokotemperaturowa trwałość stali i złączy spawanych w środowisku spalin
PublikacjaBadano przyczyny zróżnicowanej trwałości eksploatacyjnej dwóch osłon palników generatorów gazów obojętnych. Przeprowadzono badania materiałowe; analizę chemiczną, badania metalograficzne i mikroanalizę warstw wierzchnich. Wykazały one, że osłona, która uległa zniszczeniu po ok. 40 godzinach normalnej eksploatacji generatora była wykonana ze stali niestopowej, natomiast osłona, która przepracowała nieco ponad 6 miesięcy i uległa...
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The concept of aida applied to online interactive advertisement: an youtube case study
PublikacjaThis paper presents an approach of application of the AIDA framework to interactive advertisements presented on social media channels. The first section introduces the definitions of social media and its categorization. It is given an overview of the online video service YouTube.com. The second section describes social media marketing. The third section presents a theoretical introduction of traditional and interactive advertisement....
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Design and implementation principles of FIReWORK ONLINE - the VHDL autogenerator for hardware structures
PublikacjaThe paper presents an aspects of remote autogeneration of hardware structures. The solution is an online application, that is running on the server side and allows to design a particular filters and other selected hardware and generate its structure in the form of VHDL, dedicated to FPGA design environments. The paper also addresses the problem of parameterization of algorithms used to generate the hardware structures and current...
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Kinetics and Mechanism of Potassium Persulphate/L-Serine Initiated Polymerization of Methylmethacrylate
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Acute Effects of Ischemic Intra-Conditioning on 30 m Sprint Performance
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Expression of alternatively spliced variants of the Dclk1 gene is regulated by psychotropic drugs
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Endotracheal intubation during manual inline cervical stabilization performed by nurses
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DUBBLETTEN. Projekt "Budujmy razem". Inicjatywa Wspólnotowa EQUAL (EFS) [online].
PublikacjaToaleta separująca, biotoaltea - rozwiązania, warunki stosowania.
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Instructor Presence in Video Lectures: Preliminary Findings From an Online Experiment
PublikacjaMotivation. Despite the widespread use of video lectures in online and blended learning environments, there is still debate whether the presence of an instructor in the video helps or hinders learning. According to social agency theory, seeing the instructor makes learners believe that s/he is personally teaching them, which leads to deeper cognitive processing and, in turn, better learning outcomes. Conversely, according to cognitive...
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Exfoliated graphite with spinel oxide as an effective hybrid electrocatalyst for water splitting
PublikacjaThe aim of the conducted research was to develop hybrid nanostructures formed from MnCo2O4 and exfoliated graphite. Carbon added during the synthesis allowed for obtaining a well-distributed MnCo2O4 particle size with exposed active sites contributing to the increased electric conductivity. The influence of the weight ratios of carbon to a catalyst for hydrogen and oxygen evolution reactions was investigated. The new bifunctional...
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Online Interactivity – Shift Towards E-textbook-based Medical Education
PublikacjaTextbooks have played the leading role in academic education for centuries and their form has evolved, adapting to the needs of students, teachers and technological possibilities. Advances in technology have caused educators to look for new sources of knowledge development, which students could use inside and outside the classroom. Today’s sophisticated learning tools range from virtual environments to interactive multimedia resources,...
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Online stores' credibility: the moderating role of customers' gender and self-efficacy
PublikacjaThe evaluation of online stores’ credibility by customers in regard of gender and self-efficacy is presented. Two groups of attributes, usability and informational content, were characteristics of credibility. The survey involved students as representatives of the largest group of the Internet users. As shown by the results obtained, the informational content of online stores (such as recommendations) and its professionalism was...
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THE INFLUENCE OF INTERPERSONAL MOTIVATION ON POLISH CONSUMERS’ ONLINE BRAND-RELATED ACTIVITY
PublikacjaThe development of social media has a substantial impact on the surge of social engagement of Internet users. It is particularly prominent in the domain of content creation and content sharing. Such communication may contain various references to different products brands and companies. Internet users may refer to them explicitly or brands may be present in the background only. Therefore, it is pivotal for managers and researchers...
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Analiza systemu zabezpieczeń dla internetowego portalu typu Online Judge
PublikacjaPrzedmiotem rozważań jest powszechnie dostępny portal internetowy pozwalający na organizację zawodów programistycznych. System taki, określany popularnie jako online judge lub online contester, udostępnia użytkownikom do rozwiązania zestaw zadań o charakterze algorytmicznym. Reguły konkursów oraz treści i zasady oceny poszczególnych zadań ustalane są przez uprzywilejowanych użytkowników zarządzających swoimi konkursami poprzez...
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Continuous blood pressure monitoring by photoplethysmography - signal preprocessing requirements based on blood flow modelling
PublikacjaObjective. The aim of the study is to investigate the effect of the signal sampling frequency and low-pass filtering on the accuracy of the localisation of the fiducial points of the photoplethysmographic signal (PPG), and thus on the estimation of the blood pressure (i.e. the accuracy of the estimation). Approach. Statistical analysis was performed on 3,799 data samples taken from a publicly available database. Four PPGfiducial...
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Degree Days as a Method to Estimate the Optimum Harvest Date of ‘Conference’ Pears
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Degree Days as a Method to Estimate the Optimal Harvest Date of ‘Conference’ Pears
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Separation of variables in molecular-dynamics simulations: A criterion to estimate the quality of the approximation
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FEM approach to estimate the behaviour of biocomposite metal-surface coating system
PublikacjaA three dimensional (3D) model of biocomposite metal-surface coating system, which is influenced byknown external forces, is proposed. This model consists of the metallic substrate (Ti6Al4V) and thehydroxyapatite (HA) coating. Using FEM (finite element method), strain-stress maps of model weregenerated for investigating relations between the extreme stress of HA coating and the magnitude ofexternal force and the thickness of the...
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Reliability Analysis of Sea Cliff Slope Stability by Point Estimate Method
PublikacjaThe paper presents a reliability analysis of a sea cliff slope. The cliff, located in Jastrzębia Góra, is characterised by a complicated geological structure. Although currently stable, it is in fact close to the limit state. The objective of this paper is to present the point estimate method (PEM) of determining the mean value and standard deviation of the safety factor of the slope. Assuming its normal distribution, these statistical...
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Reliability Analysis of Sea Cliff Slope Stability by Point Estimate Method
PublikacjaThe paper presents a reliability analysis of a sea cliff slope. The cliff, located in Jastrzębia Góra, is characterised by a complicated geological structure. Although currently stable, it is in fact close to the limit state. The objective of this paper is to present the point estimate method (PEM) of determining the mean value and standard deviation of the safety factor of the slope. Assuming its normal distribution, these statistical...
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Diametros - An Online Journal of Philosophy
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Current Topics in Biophysics Online
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Journal of Interactive Online Learning
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Social Communication. Online Journal
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Kritike-An Online Journal of Philosophy
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International Journal of Online Engineering
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International Journal of Online Marketing
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Online Journal of BioSciences and Informatics
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FOG - Freiberg Online Geoscience
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Online Journal of Nursing Informatics
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Online Journal of Analytic Combinatorics
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Journal of Exercise Physiology Online
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Online Journal of Issues in Nursing
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Online Brazilian Journal of Nursing
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Cold Spring Harbor Protocols
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JCRS Online Case Reports
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OnLine Journal of Biological Sciences
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Annual Plant Reviews Online
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Indian Dermatology Online Journal
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Komunikacija i kultura online
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JOURNAL OF FELINE MEDICINE AND SURGERY
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Reproductive Biomedicine and Society Online
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Online Social Networks and Media
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ARCTIC ANTARCTIC AND ALPINE RESEARCH
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A comparison of McGrath MAC® and standard direct laryngoscopy in simulated immobilized cervical spine pediatric intubation: a manikin study
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Wear estimation of current collector contact strips by analysis of a 3D scanning results
PublikacjaThe technical condition of current collector contact strips is very important when operational reliability of railway transportation is considered. The authors proposed a novel measurement system based on a 3D camera to register the shape and dimensions of the current collector contact strips surface. The system was installed above the railway track for tests in target ambient. During the trial operation a few dozen of contact...