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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
51

Zákonné odposlechy: detekce identity / Lawful Interception: Identity Detection

Polčák, Libor January 2017 (has links)
Komunikace předávaná skrze Internet zahrnuje komunikaci mezi pachateli těžké trestné činnosti. Státní zástupci schvalují cílené zákonné odposlechy zaměřené na podezřelé z páchání trestné činnosti. Zákonné odposlechy se v počítačových sítích potýkají s mnoha překážkami. Identifikátory obsažené v každém paketu jsou koncovým stanicím přidělovány po omezenou dobu, nebo si je koncové stanice dokonce samy generují a automaticky mění. Tato dizertační práce se zabývá identifikačními metodami v počítačových sítích se zaměřením na metody kompatibilní se zákonnými odposlechy. Zkoumané metody musejí okamžitě detekovat použití nového identifikátoru spadajícího pod některý z odposlechů. Systém pro zákonné odposlechy následně nastaví sondy pro odposlech komunikace. Tato práce se převážně zabývá dvěma zdroji identifikačních informací: sledováním mechanismu pro objevování sousedů a detekcí identity počítače na základě přesností měření času jednotlivých počítačů. V rámci dizertačního výzkumu vznikly grafy identit, které umožňují spojování identit s ohledem na znění povolení k odposlechu. Výsledky výzkumu je možné aplikovat v rámci zákonných odposlechů, síťové forenzní analýzy i ve vysokoúrovňových programově řízených sítích.
52

Katedrála / Cathedral

Kliment, Jakub January 2016 (has links)
The statue called The Cathedral is a natural extension of my work, which deals with organic morphology of the landscape, both the details and grand compositions, which in the countryside vyskytují.Stejně like most authors is my creative work reflection of my surroundings, both personal so near in geographical terms. Integrating these aspects arise impetus to creation. In the case of sculptures entitled The Cathedral is a rendering of the very strong impression of verticality, which dominates the landscape. Regularly clashing with seemingly ordinary natural objects such as trees, soil, hills or reliefs and reliefs such as landscapes, I got into an imaginary dialogue, which I decided to answer this statue and also portray already mentioned impressed. This feeling is for me identically comparable to a situation where the viewer stands in front of the high Gothic building and trying to accommodate the shape of a giant who stands before him. Its peak, it seems so distant, as if no end, and the broad base is a kind of sign of confidence in the form of stability. Parallels between these seemingly different topics I could not miss, so I decided to call the statue Cathedral. In this work, as in previous ones, I try to get into organic sculptures character with the help of the deformation of materials, or basically draping. Compacting elastic materials to try to create the statues of the tension that fascinates me in nature and creates the impression of growth, which is in the countryside of one of the strongest motives. Shape diversity, which is in the landscape, in my inexhaustible source of inspiration and has become lately a space that fills me. When I release the perception of various aspects of your imagination and build imaginary composition, which would then be identical expression perceived impressions.
53

Data mining v oblasti kurzového sázení 3. anglické fotbalové ligy / Data Mining in the Field of English Football League Third Division's Betting Odds

Faruzel, Jiří January 2009 (has links)
Thesis "Data Mining in the Field of English Football League Third Division's Betting Odds" deals with data mining referring to acquiring knowledge from data. The main objective of this work is to develop data models for prediction of match results and to compare these predictions with a chosen strategy of betting. The selected betting strategy is based on betting single bets with odds belonging to chosen intervals, which generate a profit. These odds intervals were discovered by analyzing 2006-2009 football matches in a created simulator. On the basis of these odds ranges data models were constructed. Each data model contains a hypothesis which is generated by SD4ft procedure of LispMiner based on all football matches played in seasons 2001-2008. Developed data models are tested afterwards using 2006-2009 football matches data. Results show that all derived data models are profitable in all four seasons under consideration. More than half of them successfully predicted 2009 matches as well. The analysis showed that betting agencies offer mostly odds which make it almost impossible to be profitable while betting on matches according to their odds. In spite of this fact I identified some odds intervals with which you can success while betting single bets on home-team, draw or visitor-team with odds falling within these intervals. Association rules with reasonable confidence and support can generate high profitability. It is important to realize that there are no data models which guarantee a certain profit. Most of developed data models are not applicable in the real world, some of them can actually generate a loss. Nevertheless there are data models to be found that could generate a profit in the real world.
54

Srovnání metod rozvíjející komunikativní kompetence skrze "Aktivity s využitím koní" / Comparison of methods for developing communicative competence through 'activities with the use of horses'

VOTÍPKOVÁ, Martina January 2015 (has links)
This thesis compares four methods of therapeutic riding to determine what communicative competence are developed in the framework of activities with the use of horses. The work includes terminology section, which are explained in terms accompanying the whole job and explains the term of use for therapeutic riding. The theoretical part introduces the social communications horses and interpersonal communication. The next section presents the specifics of interspecies communication, and its use in the development of communicative competence and follows the chapter on the development of communicative competence through activities with the use of horses. The main part describes the four methods of therapeutic riding and analytically compares the contents of individual activities with horses focused on the development of communicative competence. In conclusion summarizes the results and encourages the formation of methodology developing communicative competence in educational programs with horses.
55

Menové opcie / Currency options

Tomovič, Tomáš January 2008 (has links)
Subject of the submitted thesis is the issue of currency options. The aim is the detailed analysis of currency options forcefully on dealing, characteristics, methods of pricing and their use for hedging strategies. The first part of the thesis presents an introduction into the option theory. The second part is about dealing, pricing and arbitrage relationships of currency options. In this part are two option pricing model extracted -- the binomial options pricing model for pricing currency options and the Garman-Kohlhagen model for pricing European currency options. In the third part is an example for a currency put option hedging strategy.
56

Potlačení strukturního šumu typu spekle / Speckle noise suppression

Kuchař, Otakar January 2018 (has links)
Master thesis deals with the study of ultrasound. The first part of this work is devoted to basic physical principles, imaging modes, ultrasound probes, biological effects and the last part is associated with the artifact associated with ultrasound waves. In the next part the specific noise called speckle noise is detaily discussed. The description includes both a mathematical and a statistical view. Several methods are described to eliminate this noise. In the practical part the described methods are realized and compared based on objective and subjective evaluation.
57

Jednofázový pulzní měnič DC/AC s digitálním řízením / DC/AC inverter with digital control

Štaffa, Jan January 2009 (has links)
This work is focused on single phase inverters, which are used for the conversion of the direct current to the alternating current and are nowdays used especially in systems of back-up power supply. The specific aim of this work is implementation of design hight power circuit of inverter include calculation of control algorithm. It describes the complete solution of power circuit. Next step is a analysis of problems concerning the digital control with help of signal processor which is used for solution of regulator structure. Check of the design and checkout of control algorithm is made in the form of simulation in the MATLAB Simulink. Debugged program algorithm is subsequently implemented into the signal microprocessor. The work results rate estimation functionality of inverter and solution of control algorithm.
58

Návrh laditelného kmitočtového filtru 2. řádu se spínanými kapacitory / Design of the tunable second order switched capacitor frequency filter

Bragina, Tatiana January 2014 (has links)
Thesis describes analog filters topologies with capability of tuning of the main parameters and the MOSFET-C and switched-capacitor filters are described. With focus to linearity and maximal tuning range optimal topology have been chosen. In work the issue of analog switch design is described and is solved. Design of switched-capacitor low-pass Sallen-key filter in Cadence software was made and simulation results are presented.
59

Sportovně rehabilitační středisko / Sports and Rehabilitation Center

Langenberger, Adam January 2013 (has links)
This master´s thesis elaborates a project documentation of sports rehabilitation center in Brno–Bystrc. The building object is four-storeyed and a partial basement. On the basement floor there is a pool with sauna, gym and fitness with support to assist for all activities offered. On the ground floor there is an entrance, reception for accommodation, restaurant and kitchen for the restaurant. The 2nd overground floors is determined by the rehabilitation clinic. On the grand and overground floor are designed sanitary appliances for the restaurant and patient surgeries. There are projected 9 apartments for weekend accommodation. Apartments allow access to the terrace. Foundations are made strip foundations. The building object is bricked and insulated with ventilated facades. Load bearing structure of the roof create roof trusses.
60

Lokální navigace autonomního mobilního robota / Local Navigation of an Autonomous Mobile Robot

Herman, David January 2010 (has links)
This paper deals with the topic of design of a navigation system for an autonomous mobile robot in a park-like environment. Precisely, designing methods for road detection using available sensoric system, designing a mathematical model for fusion of these data, and suggesting a representation of an environment suitable for planning and local navigation.

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