56 research outputs found

    Implementation of Object-Relational Mapping of the Information System's Data Layer for the .NET Platform

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    Import 04/07/2011Práce popisuje tvorbu objektově relačního mapování na platformě .NET. Součástí práce je implementace nástroje pro mapování. První část práce pojednává o stávajících nástrojích a problémech vznikajících při používání relačních SŘBD a objektových jazyků. Druhá část popisuje testování nově vytvořeného rámce.This document describes creating of object relationship mapping on the .NET platform. A part of the work is implementation of the mapping framework. The first part of the document deals with the current frameworks and problems with using of relation DBMS and object programming languages. The second part describes testing of the new framework460 - Katedra informatikyvýborn

    Use of Augmented Reality in Education

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    Předmětem disertační práce je zkoumání fenoménu rozšířené reality pojímané v kontextu didaktiky. Práce usiluje o vymezení rozšířené reality v oblasti pojmové i obsahové a její snahou je především poznat roli rozšířené reality v rámci systému technických výukových prostředků a vymezit její funkční specifika a možnosti z hlediska didaktiky. Práce vymezuje rozšířenou realitu jako technologicko- percepční koncept a stanovuje strukturu percepčních, technologických a rezultátových hledisek, která odrážejí významné parametry rozšířené reality pro dané oblasti. Práce dále zkoumá didaktická specifika rozšířené reality, definuje hlavní možné didaktické záměry pro její využití a vytváří strukturu systémů rozšířené reality z hlediska organizace výuky. S podporou empirického šetření práce definuje didaktické vlastnosti a specifika rozšířené reality v roli technického výukového prostředku. Svým pojetím představuje práce komplexní studii nahlížející na rozšířenou realitu z různých pohledů a směrů ve vztahu ke vzdělávání, ze které je možné vycházet při dalších konkrétnějších výzkumných záměrech vztahujících se k problematice využití rozšířené reality ve vzdělávání. Powered by TCPDF (www.tcpdf.org)This thesis deals with phenomena of augmented reality in context of didactics. The thesis aims to define augmented reality in conceptual and content area and focuses on augmented reality in the structure of educational tools and identification of its functions and use from the didactical standpoint. The thesis characterizes augmented reality as a specific technological-perceptual concept and establishes a system of perceptual, technological and resulting aspects that reflect important parameters of augmented reality. The thesis also examines the didactic specifics of augmented reality, defines the main possible didactic intentions for its use and establishes a structure of augmented reality systems in terms of teaching forms. Thesis defines didactic qualities and specifics of augmented reality as a technical educational tool with the support of empirical research. The concept of the thesis represents a comprehensive study of augmented reality from different perspectives and standpoints related to education and it can be understood as a base for other more specific research projects related to the issue of the use of augmented reality in education. Powered by TCPDF (www.tcpdf.org)Katedra informačních technologií a technické výchovyFaculty of EducationPedagogická fakult

    PARAMETERS OF AUGMENTED REALITY AND ITS USE IN EDUCATION

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    This article examines the issue of augmented reality and possibilities of its application in education. It briefly reports on selected results of a broader survey focused on technological, psychological, physiological and didactical aspects of the issue. It presumes that augmented reality has its unique place in technical teaching tools since it is a technological-perception concept, which in certain didactical situations creates more suitable perceptual environment than real environment itself on one hand, or virtual environment on the other. It focuses on identification of the technological-functional properties and specifics of augmented reality systems and on verification of model examples of augmented reality applications in school practice. It characterizes the course and results of empirical research project based on a descriptive case study exploring the cases of implementing selected application solutions of augmented reality into learning experience in accordance with the model of pro-active action research

    Fractional-Order Asymptotical Phase Shifter With Flat Magnitude Response

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    This work deals with design of fractional-order asymptotical phase shifter having constant magnitude response within almost three decades (100 Hz – 100 kHz) and frequency dependent phase difference going from 0 to 45 degrees. PSpice simulations employing macromodels of off-the-shelf active parts brought the results suitable for brief analysis of the complete solution of our phase shifter in both frequency and time domain. Magnitude flatness with only ±0.3 dB variation and maximal phase error in the middle of operational bandwidth 3.7 degrees prove very good performance of designed circuit

    Optimization of Transport Logistics for Forest Biomass

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    The Use of renewable resources on the basis of forest biomass is gradually becoming an international issue. The conditions for the optimal use include solving several technical, technological, economic and environmental problems. The contribution is aimed at solving a role model of optimization of forest biomass transport in the conditions of the School forestry enterprise of the Technical University in Zvolen. The solution is based on the algorithm-based working software the MODI mathematical methods. For the purposes of optimization, the following criteria have been selected: time consumption per 1 m3, cost per 1 m3 and fuel consumption per 1 m3. In total, 5995 m3 of forest biomass is to be transported. Regarding the first criterion, the total optimal solution is 809.62 h, for the second criterion, the optimal value is 8871.15 € and for the third one it is 1.43 l.m-3. The evaluated criteria are a partial solution of the transport problem optimization. What is important are also the links to technological background, anthropometric parameters of service and international trade, and connection to water transport in the case of REALIZACE OBCHODU with intercontinental trade partners

    Changes in phenolic content in ground red pepper (capsicum annuum l.) during storage

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    Dynamics of changes in phenolic content in ground red pepper spice (Capsicum annuum L.) was monitored during the period of 10/2016-01/2018. Phenolic compounds were determined: gallic acid, catechine, vanillic acid, caffeic acid, coumaric acid, ferulic acid, rutin, resveratrol, cinnamic acid. In order to carry out a relevant statistical evaluation, individual measurements were interpolated to obtain a weekly time series. The fastest weekly reduction in content occurs for cinnamic acid (0.9%), coumaric acid (0.6%), resveratrol (0.54%), catechine (0.53%), quercetin (0.47%), vanillic acid (0.47%), ferulic acid (0.39%), gallic acid (0.34%), and rutin (0.29%). For the total content of phenolic substances, weekly decrease of 0.4% was statistically significant (at significance level of 0.001). The losses of phenolic substances during storage are possible to be minimized partially by keeping in cold, dry, and dark storage areas, in airtight containers for wholesale and retail packages.European Fund for Regional Development ERDFEuropean Union (EU); state budget of the Czech Republic within the Centre of Polymer Systems Project [1.05/2.1.00/03.0111]; 2112-Institutional Support for the Development of Research Organization

    Pseudo-Differential Filter Design Using Novel Adjustable Floating Inductance Simulator with Electronically Controllable Current Conveyors

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    This paper presents new floating inductance simulator based on three electronically controllable current conveyors (ECCIIs) and differential voltage buffer (DVB). The inductance simulator offers simple electronic control of inductance value as well as simple control of losses by change of parameters of active elements. Based on this floating inductance simulator, example of reconnection-less reconfigurable pseudo-differential first-order filter, allowing change of transfer function between high-pass and inverting all-pass response, is discussed and studied. Moreover, the proposed structure can be easily extended to a pseudo-differential second-order band-bass filter. Behaviour of presented solutions is verified by PSpice simulations and also experimentally in frequency band up to 10 MHz. Obtained results confirmed expected features

    Milk quality from vending machines

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    The aim of this work was to assess the quality of milk from vending machines. The quality and microbiological characteristics of raw cow´s milk from two farms were assessed; one from the South Bohemia Region and one from the Pilsen Region
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