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Study of chaotic oscillators having passive fractal two-terminal elements
Ledvina, Matej ; Kaller, Ondřej (referee) ; Petržela, Jiří (advisor)
Táto semestrálna práca sa zaoberá chaotickými obvodmi s fraktálnymi prvkami. V prvej časti sú prezentované fraktálne prvky, ich vlastnosti a spôsob syntézy. Tri takéto prvky sú navrhnuté, vyhotovené a merané. V druhej časti je krátky úvod do problematiky chaotických obvodov, a spôsobov ich syntézy. Následne sú prezentované dve metódy syntézy chaotických obvodov s názorným príkladom. Na koniec bol vybraný jeden chaotický system ktorý bol syntetizovaný do obvodu, odsimulovaný, zhotovený a experimentálne overený.
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Analog studio compressor with adustable band-pass filter
Ledvina, Matej ; Kratochvíl, Tomáš (referee) ; Šotner, Roman (advisor)
This thesis deals with design of a dynamic range compressor complemented by an adjustable band pass filter. This device features wider usability than a standard dynamic compressor while simultaniously being able to replace specialized ones. Presented solution utilizes voltage controlled filters of KHN topology to limit the bandwidth of either the processed signal or the controling signal and integrated voltage controled amplifiers for adjustment of dynamics. The design requirements are verified by computer simulation.
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Winery Sekt Petrák
Ledvina, Matěj ; Erben, Adam (referee) ; Pavlovský, Tomáš (advisor) ; Lavický, Miloš (advisor)
The aim of this thesis is to build a new winery building, which is not just the place of producing wine but also some sort of public space. Our task should meet all requirements of the investor, work with the entire urbanistic composition of the village and the building site. Especially in this locality, where several urbanistic zones meet. The project was created as the atelier work as new winery building project, which answers to all requirements and does not separate building from society by design, but creates new spaces for them. With its conceptual and technical solution, the building meets all the requirements for use of the winery building.
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Dance in Brno
Ledvina, Matěj ; Vokřál, Jiří (referee) ; Galeová, Nicol (advisor)
Aim of this particular master thesis is to embrace a new typology and building type intertwining theatre, library, and flats for the guest artists. All of those connected in one building tied to Brno’s ringstrasse. Theatre embodied.
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Analog studio compressor with adustable band-pass filter
Ledvina, Matej ; Kratochvíl, Tomáš (referee) ; Šotner, Roman (advisor)
This thesis deals with design of a dynamic range compressor complemented by an adjustable band pass filter. This device features wider usability than a standard dynamic compressor while simultaniously being able to replace specialized ones. Presented solution utilizes voltage controlled filters of KHN topology to limit the bandwidth of either the processed signal or the controling signal and integrated voltage controled amplifiers for adjustment of dynamics. The design requirements are verified by computer simulation.
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Carbocyclic analogues of nucleosides and nonnucleoside inhibitors of thymidine phosphorylase
Nencka, Radim ; Hřebabecký, Hubert (advisor) ; Černý, Miloslav (referee) ; Ledvina, Miroslav (referee) ; Kefurt, Karel (referee)
!ntroduction Analogues ofnucleic acid components belong to the most successful classes oftherapeutics. Extensive modifications ofnucreobases, nucreosides and nucleotides led to the discovery ofa huge group of compounds with remarkable biological activity. The most important are perhaps the effects on various severe diseases such as cancer, leukemia or viral infectrons. The essential aim ofthis Thesis was the preparation ofbiologically active compounds related to the nucleic acid components. Since the carbocyclic anďogues ofnucleosides have been a long-time interest of our group, the first part of this work was devoted to the development of practical synthetic routes towards their new derivatives and to the synthesis of the novel analogues for further biological activity screening. However, the preliminary biological tests of the prepared compounds uncovered very promising lead to the compretely different field than it was expected. During the primer studies, I synthesized several 5,6-disubstituted uracils, initially prepared just as moder compounds for development of nover synthetic approaches towards carbocyclic nucleosides, that showed to posses outstanding inhibitory activity against thymidine phosphorylase. Therefore, the development of novel derivatives based on these findings was estabrished as a new...
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Winery Sekt Petrák
Ledvina, Matěj ; Erben, Adam (referee) ; Pavlovský, Tomáš (advisor) ; Lavický, Miloš (advisor)
The aim of this thesis is to build a new winery building, which is not just the place of producing wine but also some sort of public space. Our task should meet all requirements of the investor, work with the entire urbanistic composition of the village and the building site. Especially in this locality, where several urbanistic zones meet. The project was created as the atelier work as new winery building project, which answers to all requirements and does not separate building from society by design, but creates new spaces for them. With its conceptual and technical solution, the building meets all the requirements for use of the winery building.
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