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Pulse modulations
Šiška, Martin ; Atassi, Hicham (referee) ; Číž, Radim (advisor)
This work deals with the analysis of pulse modulation issues, work is divided into six chapters. The first chapter of the thesis deals with pulse modulations as a whole. It explains the concept of modulation, the distinction between analog and digital modulation, and there is the basic classification of pulse modulation done. The second chapter focuses on the issue of non-quantized pulse modulation. For each modulation belonging to this group is verbally and graphically explains the principle of its activities. In the third chapter, which is similar to the second chapter, the work focuses on quantized pulse modulation. Again, each of these modulations explained its basic principle. It is also in this chapter outlines the design models in Matlab-Simulink. The fourth chapter presents calculations and tables with calculated values needed for simulations. In the fifth chapter, a comparison waveforms. It contains a discussion about the dependence of modulation on their parameters, parameters of the input signal and the sampling frequency. In the final sixth chapter deals with the early design concepts and detailed diagrams for the production of demonstration products.
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Lossy Video Compression
Šiška, Michal ; Průša, Zdeněk (referee) ; Schimmel, Jiří (advisor)
This thesis deals with description of lossy video compression. Theoretical part of the work describes the fundamentals of the video compression and standarts for lossy as well lossless video and still image compression. The practical part follows up with design of Java program for simulation of MPEG codec.
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Pension systems of the Visegrad countries with the focus on 2nd and 3rd pillar.
Šiška, Matěj ; Bartůsková, Lucia (advisor) ; Vebrová, Ludmila (referee)
The first pillar of the pension system in the Czech Republic is loss-making in the long term. The population gets older which results in an increase of the pension budget deficit. The thesis elaborates that the population should no more depend on the government in pensionable age. The bachelor thesis further focuses on the analysis of the second and third pillar profitability as well as on analysis of to what extent the government should intervene in these pillars. The author provides comprehensive overview of pension systems in countries of the Visegrad Group, and reveals the correlation between their profitability and governmental interventions. Furthermore, the thesis compares attitude of particular governments towards the pension system pillars, and summarizes their advantages and drawbacks for the Czech population.
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Fiscal policy of USA in current economic recession
Šiška, Martin ; Babin, Jan (advisor) ; Potužák, Pavel (referee)
Economies all around the world are currently in phase of recession and economic loss. For my study I chose United States, because here we can find beginnings of nowadays recession and also their government decided for biggest financial incentives for recovering the economy. Goal of this study is to determine the state of fiscal policy of country, which has the most advanced economy in the world and offer suggestions for their stabilization. After a brief description of the current economic situation and analysis of government spending to the growth of macroeconomic indicators in the historical context, I want to prove, if economic growth is accompanied by the serenity of fiscal policy, or has long-term instability. Object of interest is also current and extensive government spending on programs to revive the economy. Subsequent analysis of public debt and its financing, the possible consequences of debt and deficits should create a good picture of fiscal policy in the U.S. Understanding of current situation will help me to propose solutions, according to the economic theories, for stabilizing fiscal policy in case, if U.S. want to maintain world's leading economic position.
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