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Laboratory device involving the high selectivity filters
Tuhý, Luboš ; Kovář, Jan (referee) ; Petržela, Jiří (advisor)
This project deals with the frequency filters of high selectivity. The area frequency filtering is fairly comprehensive and theoretically demanding discipline. The aim of this work isn’t to describe in detail and to include knowledge of the frequency filters, but only to clarify the aforementioned issues. In particular, we focus practically on filters working on other physical principles, especially on the crystal structure of partition filters and ceramic filters. The circuit simulation programs through classes Spice will be one of the parts of the theoretical analysis. There will be presented various options for implementing these filters, and the test products used in the design. The laboratory exercises dealing with frequency filtering and measuring engineered product will be made and based on the theoretical findings of this work. The laboratory exercises will include the developing of the model protocol.
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TOWNHOUSE ON THE WATERFRONT IN PŘEROV
Srpková, Barbora ; Mutina, Petr (referee) ; Jura, Pavel (advisor)
The key role in the project were a light conditions of the given site. These generated a basic shape solution. Futhermore, the building is designed to fit in well together with neighbouring buildings and in order to minimalize shadow cast. In the ground floor are a public-service spaces. In higher floor are spaces for living and in the two top floors are a spaces for maisonnettes.
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The Crystal Collector
Klicnarová, Dita ; Pěchouček, Michal (referee) ; Artamonov, Vasil (advisor)
This dissertation entitled Crystals Collector is concerned with the phenomenon of collecting, and more specifically with crystals as objectes in an imaginary collection. The objects are selected based on a personal fascination of the author. However, the collection always has, similarly as a crystal, a predetermined internal structure. The meaning of individual parts only become apparent when they are viewed as a whole. The main artefacts of the collection are paintings on canvas - with the painting becoming a similar 'fetish' as a collected crystal. Mineral it the key artefact and as such it is subjected to deeper examination (experiments with growth of crystals, studies of crystals, artefacts having a close relationship to crystals...).
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Estimation of equivalent circuit parameters of a piezoelectric resonator
Ryšavý, Lukáš ; Majzner, Jiří (referee) ; Sedlák, Petr (advisor)
In this thesis, a simple measurement setup including control software is designed to estimate the parameters of Mason electrical equivalent circuit for piezoelectric resonators. Direct measurements can evaluate variables, such as mechanical quality factor, parallel resonance, serial resonance and serial resistance. These variables are used to estimate remaining parameters. The software is implemented in C++ Builder. Experimental study and verification were carried out on several quartz crystal and piezoceramic samples. The measurements are in good agreement with simulations as it is illustrated by a low value of relative error. The measurement setup will be used for scientific purposes of Dept. of physics FEEC BUT.
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Module for verification of rotational position sensors
Krolák, David ; Růžek, Václav (referee) ; Dřínovský, Jiří (advisor)
This master‘s thesis deals with design and realisation of a control module for automated measurements of the modern contactless inductive position sensors by a mechanical rotational system consisting of a DC motor and an incremental quadrature encoder. The thesis presents methods of driving DC motor and recording of measured data by a microcontroller. The thesis presents a communication protocol between the control module and personal computer via USB interface. A part of this thesis is also to develop a control software and firmware, including the measurement and evaluation of properties of the control module.
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New synagogue in Trutnov
Vašička, Jakub ; Benedek, Borislav (referee) ; Dulenčín, Juraj (advisor)
Diploma thesis theme is design of a new synagogue in the city of Trutnov on a memorial site of the original unpreserved synagogue. Part of the construction program is the creation of a complex used by the Jewish religious community and its members, containing a building for the Jewish community (administrative and educational use), kosher restaurants with use for the general public, and the Museum of Jewish Culture. The aim of the design is to create a set of buildings functioning as a whole respecting the natural landmark of the surroundings and the historical significance referring to the past. The new synagogue is designed as the dominant feature of the whole complex in the place of the original Jewish prayer house and emphasizes the monumentality of the place connected with nature. Other facilities are located in front of the synagogue and create a new public space for locals but also visitors to the city from a wide area not only for spiritual use but also for cultural, social, and recreational.
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Structure analysis of molecular crystals
Janíček, Jakub ; Císařová, Ivana (advisor) ; Vojtíšek, Pavel (referee)
Summary: Diploma thesis covers characterization of molecular crystals by X-ray structural analysis. N-carbamimidazoylisonikotinamid and 1-phenylguanidin were chosen, because their potential use in second harmony generation. Their salts with inorganic acids were prepared and determined their structures. Phase transition of 4,6-diaminopyrimidinium nitrate was studied by x-ray diffraction and differential scanning calorimetry. This phase transition is accompanied by thermosalient effect, causing that the crystals jump. Keywords: thermosalient, jumping crystal, X-ray diffraction, non-linear optics, N-carbamimidazoylnikotinamid, 1-phenylguanidin, 4,6diaminopyrmidin.
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Krystalizačně-strukturní studie bakteriofágového lysinu ECD7
REINDLOVÁ, Žaneta
This bachelor thesis is focused on the crystallization of newly acquired bacteriophage lysine ECD7. Bacteriophage lysine ECD7 could be one of a new alternative class of antibacterial agents possibly used against infectious diseases. The main goal of this work was to manage the basic crystallization methods, then apply them for crystallization of ECD7 lysine and produce a suitable crystals for X-ray diffraction analysis. Data from X-ray diffraction analysis will help clarify the structure and function of ECD7 lysine.
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New synagogue in Trutnov
Vašička, Jakub ; Benedek, Borislav (referee) ; Dulenčín, Juraj (advisor)
Diploma thesis theme is design of a new synagogue in the city of Trutnov on a memorial site of the original unpreserved synagogue. Part of the construction program is the creation of a complex used by the Jewish religious community and its members, containing a building for the Jewish community (administrative and educational use), kosher restaurants with use for the general public, and the Museum of Jewish Culture. The aim of the design is to create a set of buildings functioning as a whole respecting the natural landmark of the surroundings and the historical significance referring to the past. The new synagogue is designed as the dominant feature of the whole complex in the place of the original Jewish prayer house and emphasizes the monumentality of the place connected with nature. Other facilities are located in front of the synagogue and create a new public space for locals but also visitors to the city from a wide area not only for spiritual use but also for cultural, social, and recreational.
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