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Support system for administration and control of FSO transceiver
Janík, Lukáš ; Němeček, Jiří (referee) ; Wilfert, Otakar (advisor)
Tato práce se zabývá problematikou optických bezkabelových spojů (FSO). V úvodní kapitole jsou diskutovány přednosti, základní principy a dílčí komponenty FSO spojů. Druhá kapitola se zabývá atmosférou z pohledu šířícího se optického svazku, jejím složením, základními veličinami a jevy v ní nastávajícími. V následující kapitole je popsáno několik metod ke zmírnění jevů majících negativní vliv na kvalitu spoje. Druhá část práce se zabývá návrhem podpůrného systému pro FSO, založeném na softcore mikroprocesoru MicroBlaze, návrhem jednoduchého síťového přepínače a síťového rozhraní. Závěr práce pojednává o implementaci webového serveru a tvorbě webové prezentace umožňující vzdálenou správu FSO a jeho komponent.
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Business Plan for Start of a Small Business
Říhová, Kristýna ; Janík, Lukáš (referee) ; Kopřiva, Jan (advisor)
This work is dealing with formation of a business plan for a concrete company small scale and verification of its feasibility and competitiveness in the Czech market environment. The thesis is divided into a theoretical and practical part. In the theoretical part I deal with on basic business terms. In the practical part already I apply the theory into practice. I also deal with drawing up a concrete business plan. This is followed by the practical part of starting a business with a focus on e-shop clothing. Based on the compiled plan I reviewed the conditions of establishment, potential risks and business competitiveness.
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DC-DC converter for matrix controller system for LED
Gociek, Krzysztof ; Janík, Lukáš (referee) ; Hudcová, Lucie (advisor)
This diploma thesis deals with design and subsequent realization of DC / DC converter for supply of matrix LED fields for the automotive industry. Such a converter must be able to supply a current of several Amperes and a voltage of the order of tens of Volts. Matrix headlights are currently being developed by a number of automotive companies. These headlamps allow independently to control the intensity of light incident on different objects or people who are in front of a car. In addition to the front headlamps the matrix LED lights are also used in the rear and signaling lights. Here it serves mainly to create different animations that have no function except the overall enhancement appearance of the vehicle. All of these lights need power units that will be suitable to regulate current flowing into various combinations of LEDs illuminated.
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Design of an analogue bar graph
Janík, Lukáš ; Kolka, Zdeněk (referee) ; Biolková, Viera (advisor)
This thesis deals with the design of battery powered analogue bar graph for slow signals signalization. This device will serve in International Clinical Research Center of St. Anne's University Hospital in Brno and is determinated for experimental measurements of airflow and pressure in respiratory system, as a part of controlled breathing system
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Utilization of MHP platform in DVB-T
Janík, Lukáš ; Balík, Miroslav (referee) ; Kohoutek, Michal (advisor)
This bachelor‘s thesis solves the problem of digital television and set-top boxes, more precisely MHP platform and its use in DVB-T. In the first chapters I talk about analogue terrestrial broadcasting and necessity of transition to digital broadcasting. In addition, you can read about the necessity of the MHP platform implementation as the stable part of the DVB-T. I analyse this platform and describe the pros, cons and possibilities for its use at presen and in the future. I mention the different types of set-top boxes and their main manufacturers. I also describe an application development cycle, from writing the source code, despite testing in the development environment of IRT, respectively Osmosys, until loading to the real set-topbox. I also represent here the practical part of my bachelor‘s thesis, which was the development of chat client for the MHP platform and it allows two users to communicate in real time. This application I tested in the IRT and I uploaded it to the real set-top box. Next I analyze Java programming language, such as the appropriate development language for this platform. I mention the HAVi standard and its relevancy in usage of MHP platform.
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Power line data transfer
Ryška, Aleš ; Janík, Lukáš (referee) ; Dobesch, Aleš (advisor)
This thesis deals with powerline communication and application its use in headlamp. In thesis are compared various commercial available solutions, especially the Qualcomm QCA7000 modem. Furthermore, the work deals with the design and the prototype for exploring the applicability of the existing wiring in automobile. The aim of the thesis is to construct a prototype that allows the communication with the front lamp of the car via the power line.
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