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The effect of optical fiber attenuation on the capacity of optical traces
Žák, Ondřej ; Škorpil, Vladislav (referee) ; Reichert, Pavel (advisor)
The essence of this thesis is the creation of complex insight on optic fibre attenuation. There is successive steps explained mechanism of optical attenuation and characterized its spectral dependence. We are describing primary elements of optical attenuation, its sorts and their own spectral dependence. Bachelor´s thesis is explaining requirements of transmission system to spectral characteristic optic fibre and influence of optic fibre attenuation on capacity of optical trace. Output of bachelor´s thesis is program solution of designed mathematical model for calcula-tion spectral dependence of optical attenuation. Program is realized in MATLAB and there is furthermore added version in Microsoft Office 1997-2003. Created program is able to ap-proximate points data obtained from measurement of optic fibre by using Lagrange interpola-tion polynomial and Rayleigh scatter interlay.
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Methods of steganography
Obdržálková, Karolína ; Blažek, Petr (referee) ; Člupek, Vlastimil (advisor)
This bachelor thesis deals with steganography, its types and methods. Steganography is generally described in this work. A significant part of this thesis is devoted to the development of steganography and also describes how is steganography used for malware and copyright protection. The next part describes the types of steganography according to the type of carrier, their methods and properties of steganographic methods. Based on theoretical knowledge, an application with a graphical user interface was created to hide and reveal secret information using steganographic method LSB. This application is described in the final part together with the evaluation of security of hidden information.
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Measuring RLC on the components of electrical circuits
Pokorný, Marek ; Vítek, Ondřej (referee) ; Veselka, František (advisor)
Aim those work is inform numerator about possibilities and features gauging apparatus 7600 Precision LCR undergrounds and further then about metering paramers R,L,C on components electric standing ,especially then on sliding contacts,with which this work acquaint and how are their characteristics important for correct functionality electrical machine whereof are site rated power.Warp work largely start from manual to apparatus 7600 Precision LCR undergrounds and further then out publication sliding contact in electrical machine - doc. Veselka, doc. Chmelik.
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Tram Network for New Brno City Masterplan
Grishchuk, Dmitrii ; Seitl, Jan (referee) ; Všetečka, Martin (advisor)
This master thesis deals with the planning of routes and their operating parameters for the tram network in the new Brno city masterplan. The work evaluates operational and capital expenses that are bound up with running and further expanding of the tram system. The numbers of inhabitants and jobs included in 300-meter zones around tram stops were assessed. The calculated values are compared with the current situation. Based on the results, a suitable composition of the vehicle fleet and the order in which new tracks should be constructed is recommended. Further measures are proposed to improve coverage of city territories by the tram system, especially construction of tram ways to other densely populated areas of Brno and the organization of selected transfer points
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Electronic RLC meter
Dvořák, Radim ; Hanák, Pavel (referee) ; Lattenberg, Ivo (advisor)
This work deals with measurement methods of passive components R, L ,C used almost in every electrical circuit. Work describes progress of choosing the right methods for measurement and also the process of designing the autonomous RLC meter with use of ATMEL microprocessor chips. The RLC meter will be powered from rechargable battery and will be able to measure primary attributes of RLC components.
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Evaluative Language in Electronic Product Reviews
Polášek, Radek ; Mihai, Hana (referee) ; Reich, Pavel (advisor)
Tato práce bude zaměřena na ohodnocení jazyka v recenzích mobilních telefonů. K tomuto účelu bude použita recenze Apple iPhone 7. Apple má širokou nabídku produktů, jmenujme počítače, tablety, hodinky nebo mp3 přehrávače. Mobilní telefony jsou ale jedním z nejpopulárnějších produktů. Z tohoto důvodu, jsou recenze mobilních telefonů perfektním zdrojem pro tuto tezi. Účel této práce je analyzovat a demonstrovat prostředky ohodnocení jazyka v reklamní mluvě a odhalení strategií a jazykových prostředků použitých k ovlivnění čtenáře, při apelování na city, morálku a estetiku chápání. Předpokládám, že recenze jsou zaujaté díky použité formě jazyka, která může obsahovat osobní názory autora nebo metody manupulace se čtenářem. Tyto metody mohou být použity při stylizaci textu, mohou apelovat na emoce nebo sociální zázemí čtenáře nebo mohuu být použity při rozhodování o tom zda a jaké informace v recenzi poskytnout. Tato teze ověří, zda je tato hypotéza platná.
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Increase of the Production Efficiency
Žabenský, Zbyněk ; Navrátil, Jaroslav (referee) ; Rompotl, Jaroslav (advisor)
The diploma thesis contains the study for increase of the production effectiveness via improvement of Overall Equipment Effectiveness. It contains technical description, process description of the change and its financial evaluation. The thesis focuses on specification of the term Overall Equipment Effectiveness and its clarification for use in production company producing electronic devices. It contains real company example.
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Selected Methods of Improvement for the Driver's Orientation on the Roads
Černoch, Adam ; Valentová, Veronika (referee) ; Frič, Jindřich (advisor)
The aim of this thesis is to find suitable measures which will lead to the improvement of driver orientation in traffic spaceleading to lower the accident rate in the area. The theoretical part describes the traffic surveys that relate to the topic. Furthermore, the work mentioned detectors used for the implementation of automated traffic surveys. The theoretical part also describes methods that can be used to analyze the selected location and then design the ideal modification. At the end gives an overview of the various measures. In the practical part are different methodologies used for the analysis of selected intersections. Firstly, the analysis of observed conflict situations, including making conflicting diagram, under which was designed to measure. Then, the analysis of traffic accidents. Again, the result was a proposal for possible actions. The main objective was to compare and appreciation of both methodologies and proces design measures to improve driver orientation in the selected location.
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Comparison of different types of commercial lithium-ion batteries and their properties under low temperature
Bičák, Tomáš ; Máca, Josef (referee) ; Libich, Jiří (advisor)
The diploma thesis deals with the issue of lithium-ion batteries. Describes development, technologies and materials used. The diploma thesis describes the operating principle, characteristics, advantages and disadvantages. The work is focused on the characteristic properties of commercial lithium-ion batteries under standard conditions and at reduced temperatures. At reduced temperatures, changes in properties due to low temperatures are observed. Furthermore, in this work they compare the measured values with the values given by the manufacturers.
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Creation of Production Scheduling to Implement Customer Requirements
Holík, Radim ; Jaroš, Miroslav (referee) ; Jurová, Marie (advisor)
Discovering deficiencies in production tasks schedule of the TOS Kuřim – OS, a. s. company was the main impulse for creation of this master’s thesis. Analysis of provided data together with theoretical basis of relevant literature have created a basis for the suggestion. It’s the implementation of a newly designed process, which would reduce or fully eliminate deficiencies during its periodic execution. These suggestions also include a practical example of the process application.
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