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LTE system models
Navrátil, Petr ; Masopust, Jiří (referee) ; Hanus, Stanislav (advisor)
Master’s thesis is focused on part of mobile network named LTE. Project is analyzes the LTE physical layer, which is divided into four basic parts: Physical channels and modulation, Multiplexing and channel coding, Physical layer procedures, Physical layer measurements. Every part is described by actual 3GPP standard [1]. To understand the problem is expected a reader basic knowledge of OFDM systems, which the LTE system uses. The next part of this master’s thesis is dedicated to mathematic model physical layer of system LTE, created by program Matlab. This model is designed to measure errors in data transmission.
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Study of Pipe Drain Construction
Navrátil, Petr ; Bernatík, Radek (referee) ; Svoboda, Richard (advisor)
Mixing of backfill of the pipe drain construction with sub-ballast layer material through using enclosed drainage systems (mostly by pipe drains) has to be prevented. In order to do so, regulation SŽDC S4 Železniční spodek provides a filtration criterion which needs to be fulfilled or a geotextile with filtration function has to be used. This master thesis verifies if filtration criteria are fulfilled in between different backfilling of the pipe drains and sub-ballast layers in compliance with TNŽ 73 6949. Furthermore a verification of filtration function of different geotextiles including propositions of their suitable placement within construction of the pipe drain system is included.
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Optimalization of the flow of material in a pressing line at Siemens Electric Machines company
Hruška, Jindřich ; Navrátil, Petr (referee) ; Kubík, Roman (advisor)
This thesis deals the optimalization flow of material in the press lines in company Siemens Electric Machines s.r.o. The thesis begins with theory of the flow of material and the Kanban method. After that thesis describe the issues which the company contend. In the next chapters the thesis The work contains general requirements for the assignment and optimization required by management and proposed possible solutions for optimizing material flow in the company. In the following chapters thesis solve the realisation of the chosen variant, for which Siemens Electric Machines to decided and the costs associated with implementation.
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A Reading Diary Application
Navrátil, Petr ; Podivínský, Jakub (referee) ; Krčma, Martin (advisor)
Development of information technology enables us to take notes of all kind in more comfortable, electronic way than as it was in written form. Improvement can be seen for example in case of reading diaries which were mostly hand-written when we first got in touch with them in elementary school. This Bachelor's thesis is focusing on creating an application suitable for writing a personal reading diary. Application will enable user to fill own literary analysis, track reading time of books or add books to user's individual lists which will represent shelves as known from libraries. Users will be able to share their books and shelves with other users.
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Building for sport purposes
Navrátil, Petr ; Štrba, Michal (referee) ; Pilgr, Milan (advisor)
The theme of this diploma thesis is design and check load-carrying steel structure of building for sport purposes in two variants. Building is situated in Holešov town. Primary emphasis is placed on purpose of this building and on her integration to the given locality. The steel structure is created by two objels, main (hall) and side part (admin. part). Both of this building have common east wall. Plan dimension of hall part is 40 on 40m and the highest point of this part is 15,9m height above ground. Admin. part is greated like frame with columns in 8x8m grid and 8m height. Overall height of this part is 8m. For analisys of internal forces was constructed spatial bar model which was used for an optimization of partial bars for both limit states. The cladding will be made by system of Kingspan panels.
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Anonymization of PCAP Files
Navrátil, Petr ; Hynek, Jiří (referee) ; Holkovič, Martin (advisor)
This diploma thesis deals with the design and implementation of an application suitable for the anonymization of PCAP files. The thesis presents TCP/IP model and for each layer highlights attributes that can be used to identify real people or organizations. Some of the anonymization methods suitable to modify highlighted attributes and sensitive data are described. The implemented application uses TShark tool to parse byte data of PCAP format to JSON format that is used in the application. TShark supports lots of network protocols which allows the application to anonymize various attributes. Anonymization process is controlled by anonymization politics that can be customized by adding new attributes or anonymization methods.
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Teaching guide for the ATMEL development board
Navrátil, Petr ; Hadinec, Michal (referee) ; Friedl, Martin (advisor)
Bachelor’s thesis is focused on developing applications for the developing board with microcontroller ATMEL (ATmega16). Bachelor’s thesis describes the microcontroller including a description of hardware components and control registers. This book describes the various peripherals on the developing kit with programming examples. Simple modules have been created for the developing board, which could be used to program complex project and easy aplications. On these modules are periphery as matrix keyboard, encoder, real time clock and circuit L293D for controling DC motor with PWM signal. The AVR Studio version 4.18 is described and used here as a programming software. This work should serve as a guide about ATMEL AVR ATmega series for beginning or advanced programmers. Examples of individual programs are a part of this work.
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