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Application of neural networks for classification of T-wave alternations
Procházka, Tomáš ; Harabiš, Vratislav (referee) ; Hrubeš, Jan (advisor)
This thesis deals with analysis of T-wave Alternans (TWA), periodical changes of T wave in ECG signal. Presence of these alternans may predict higher risk of sudden cardiac death. From the several possible ways of TWA classification, the training algorithms of self organizing maps are used in this thesis. Result of the thesis is a program, which in the first step detects QRS complexes in the signal. Then, in the next step, gained reference points are used for T-waves detection. Detected waves are represented by a vector of significant points, which is used as an input for artificial neural network. Final output of the program is a decision about presence of TWA in the signal and its rate.
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The design of the recuperative heater flue gas - air
Procházka, Tomáš ; Baláš, Marek (referee) ; Milčák, Pavel (advisor)
The bachelor s thesis deals with thermal-hydraulic calculation of recuperative gas air he- ater. Type of heat exchanger is shell and tube. This thesis is divided to two parts. The first part apprises the most common types of heat exchangers and their use. It contains also description about basic methods and equations for heat exchanger designing. The second part is calculation of heater with software EES. Whole calculation is checked by software HTRI Xchanger Suite. At the end of this thesis are two datasheets, whitch contains designing solutions for heater with plain tubes and solution with fin tubes. Conception of heat exchanger is chosen by TEMA Standards.
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Financial Plan of Construction Order from the Aspect of Developer
Procházka, Tomáš ; Hromádka, Vít (referee) ; Vítková, Eva (advisor)
This bachelor´s thesis focuses on the process description of financial planning of development project. The objective is to map the developer´s activity in the field of financial planning of construction contract. The work describes settings of cost price and market price of the project. Creation of time progress chart of construction is followed by financial plan of costs and revenues. On the basis of which it is possible to express a direct cash flows. Then the output is compared to positive and negative cash flows, i.e. income and expense of the project in time.
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Modelling PIM-SM in OMNeT++
Procházka, Tomáš ; Ryšavý, Ondřej (referee) ; Veselý, Vladimír (advisor)
In this master's thesis I deal with modelling and simulating of multicast routing protocol PIM Sparse Mode in OMNeT++. I also describe basic information about multicast, protocol PIM-SM, its configuration and multicast data streams visualization in computer networks. The thesis is especially focused on design and implementation of PIM-SM in OMNeT++ and extension of ANSAINET library.
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Implementation of Network Security Algorithms in Home Router
Procházka, Tomáš ; Novotňák, Jiří (referee) ; Košař, Vlastimil (advisor)
This bachelor thesis briefly describes minimalist linux distribution OpenWRT and its installation in Linksys WAG160Nv2 router. It describes a selected router and it discusses a measuring procedure of a throughput, wich was chosen as a criterion for an evaluating the performance of the router. Furthermore, it examined the performance of the router using the original system and running OpenWRT. Design and implementation of interception algorithms, whose main purpose is to capture network traffic on the router, are described in the subsequent parts. Results are presented in the final part.
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Pillar jib crane
Procházka, Tomáš ; Malášek, Jiří (referee) ; Pokorný, Přemysl (advisor)
This bachelor´s thesis deals with constructional proposal of jib crane with capacity of load 1000 kg, unloading length of its beam is 2700 mm and lift height 4900 mm. The aim of this thesis is analysis of construction with selection of suitable hoist and control strength calculation of the crane. A part of the thesis is drawing documentation.
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The Width of a Book Spine
Horáková, Lucie ; Procházka, Tomáš (referee) ; Kögler, Žaneta (advisor)
The result of my Bachelor's thesis is 3Dbookmockup website and Tumbler. This project should show the designers new options for visualization and presentation in graphic design. The benefits of the application is in the diversity of modelling according to custom specifications, simple control online generator and a friendly user experience.
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Practical comparison of pressure vessels design approaches within ČSN EN 13445
Procházka, Tomáš ; Pernica, Marek (referee) ; Lošák, Pavel (advisor)
This diploma thesis deals with a practical comparison of pressure vessels design approaches within ČSN EN 13445. The thesis aimed to design the device using various approaches described in the European Standard and compare them. For the design was chosen a liquid filter, which works as the first stage of the filtration system in a waste-to-energy plant. In the first part of the thesis is introduced to different routes of design by analysis (DBA), including a description of plasticity conditions and finite element types. These theoretical knowledge are applied in the practical part. The practical part consists of designs of the pressure vessel according to different approaches and methods. The first approach is a design by formulae (DBF), which was done in software Visual Vessel Design. The second approach is DBA. This method of design can be realized according to the European Standard by two routes, either by Method base on the stress categories or so-called Direct Route. Both routes were performed in this work. Stress analyzes were made in programs ANSYS Workbench and NozzlePRO. At the end of the thesis, there is a comparison of used approaches and the resulting values of the design.
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