National Repository of Grey Literature 32 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
Show trial Veselý and others
Volmanová, Mária ; Koura, Petr (advisor) ; Zeman, Kryštof (referee)
Bachelor thesis is about one of the largest show trials in Moravia, which happened between the 7th and 11th February 1950. Its goal is to discover the reason behind accusing these people and how it was related to their political affiliation. It also explores the investigation and the trial as a whole. The work also investigates how the show trial was shown in the newspapers and how the media tried to influence the public. An important goal is also to analyze the features that this show trial has in common with other show trials of this period in Czechoslovakia. The most significant part of the work is devoted to the analysis and interpretation of archival materials available for this show trial. Key words: show trial, communism, totality, Veselý, Rod, Tuček, persecution, trial
Java Implementation of DNP3 Protocol
Zárecký, Martin ; Šeda, Pavel (referee) ; Zeman, Kryštof (advisor)
The theoretical part of the bachelor thesis starts with IoT technologies, Human-toHuman and Machine-to-Machine communication schemes. It then goes into greater depth on industrial SCADA protocols and the DNP3 protocol. It continues with a detailed description of this protocol and also introduces the OpenMUC framework. In the practical part, a library of this protocol is also built, and an outstation is created that implements this library. The main part then consists of the OpenMUC framework into which we implement the DNP3 protocol. Finally, we build the communication between OpenMUC with DNP3 implemented and the DNP3 outstation.
Java Implementation of Profinet, Ethernet/IP and Modbus Protocols
Almáši, Marek ; Štůsek, Martin (referee) ; Zeman, Kryštof (advisor)
The aim of the work was to become familiar with the properties, structure and use of industrial protocols and their subsequent implementation. As part of the implementation, it was necessary to observe all the rules and structures of the modbus, profinet and ethernet/IP protocols themselves, as well as the protocols in which they are encapsulated within the OSI model. The implementation was done in java.
Audio Amplifier with Network Streaming and Sound Equalization
Liska, Matej ; Zeman, Kryštof (referee) ; Štůsek, Martin (advisor)
Diploma thesis contains the theory for the design and realization of a prototype audio amplifier device with the possibilities of digital or analog input content. It approach the features of D/A converter, analog filtering, volume control and amplification. Besides others, it describes the regulation of supply power voltages for individual active parts of device and approaches the software audio platform for acquisition and processing of audio data, including equalization. The thesis contains an general schematic design, created placement of individual components on board, including their table of descriptions and evaluation of the achieved results, including measured values and graphs.
Automatic Dosing Unit for Pool Chemistry
Kejík, Jan ; Štůsek, Martin (referee) ; Zeman, Kryštof (advisor)
The objective of this thesis was to design and construct the dosing unit for pool chemistry with the features of common available equipments, but with lower acquisition costs compared to these equipments. The initial part of this thesis describes the requirements for water quality in the pools and the principles of its sustaining. The next section describes the ESP32 microcontroller, which was selected because of sufficient computation power and memory resources and RF connectivity capability. Furthermore, the pH, ORP probes and temperature sensors for measurement of the pool water quality are described in this section. Lastly, sensor convertors, power supplies, pump controls circuit and display interface are described here. The key section of the thesis is the design description which consists of hardware, mechanical and software section. It starts by the description of the printed circuit board with a description of diagram. In the section followed is described and illustrated mechanical design of the box for this dosing equipment. It is my own design made by 3D print. The last design section deals with software consisting of three different kinds of software: display software, ESP32 microcontroller firmware written in C/C++ and HTML code of the webside. This description is focused especially on the firmware architecture of the processor ESP32 related to consecutive part including description of a local user interface as well as a web application. The resulting device was developed to the state with matured well tested user interfaces. However, the controls algorithms of pH and ORP were tested only in simulated conditions. Therefore the testing in real pool for verification of the firmware and reliability should be done in the next steps.
Family change and its impact on the health of children in the Czech Republic
Štípková, Martina ; Kreidl, Martin (advisor) ; Sobotka, Tomáš (referee) ; Zeman, Kryštof (referee)
The thesis focuses on the patterns of nonmarital childbearing and its influence on the health of newborns in the Czech Republic between 1990 and 2010. Numerous and profound social changes took part in these two decades after the fall of state socialism. Socioeconomic inequalities grew, a competitive job market was introduced and social policy was reformed. Family behaviour changed, as well. A more than four-fold rise of the proportion of children born outside marriage was among the most remarkable changes in this regard. Two research questions were addressed: 1. how did unmarried motherhood and its socioeconomic background change; 2. how did these changes influence disparities in the health of newborns by family arrangement. Data from the birth register are used for answering these questions and analysed with multilevel regression models. The method was aimed at explaining variability between contexts defined by time and space. Health of newborns is measured by birth weight. Family arrangement of mothers is measured with their marital status. Unmarried mothers are further split by the presence of a partner measured with the mother's willingness to declare child's father. The results show that birth outcomes on nonmarital children improved and marital status gap in birth weight closed substantially in the...
Interactions between WLAN networks
Doleželová, Eva ; Zeman, Kryštof (referee) ; Škorpil, Vladislav (advisor)
This bachelor thesis deals with the possible interferences caused by the parallel running WLAN networks. It explains the history and subsequent development of wireless technologies and then focuses on current WLAN networks. It describes the problem of interference in WLAN networks and parameters that contribute to mutual interference. Practical part of this thesis consists of two laboratory exercises. The first task is implemented in the Riverbed program, in which a topology with three identical WLAN routers is assembled. After testing the WLAN routers, a graph describing the interference in the 2.4 GHz band is displayed, which is achieved by a suitable choice of frequency band, transmission power and channel. The second laboratory task is implemented utilizing the Iperf3 program, which is installed on three Raspberry Pi´s (RPi Zero, RPi 3, and RPi 4). Network congestion is achieved using the wifijammer script, which is installed on RPi 4. In this second laboratory task, the transmission parameters were first verified and the service was denied using the wifijammer script. For evaluation of the second laboratory task, the IEEE 802.11b and IEEE 802.11n utilizing the frequency band 2,4 GHz were chosen. For testing, the following routers were used: Mercusys, Netis, Tp-Link and Asus routers. Once the measurements were over, all the data was processed and included as charts.
Android OS software design patterns utilizing the Kotlin language
Maloušek, Jan ; Ilgner, Petr (referee) ; Zeman, Kryštof (advisor)
The aim of this thesis is to describe design patterns and other programming best practices used in the development of Android applications. The theoretical part analyzes design patterns, Kotlin programming language, dependency injection, reactive programming and automatic testing. The practical part deals with the design and implementation of a sample Android application, which demonstrates the advantages of using design patterns and other proven programming practices described in the theoretical part.
Security mechanisms of OS Android utilizing the Kotlin language
Balaževič, Lukáš ; Mašek, Pavel (referee) ; Zeman, Kryštof (advisor)
Mobilné zariadenia sú v rámci technologickej histórie novinka a pri technológii, ktorá sa vyvíja tak rapídnym tempom a rastom používania je nutné dbať na zabezpečenie. Táto diplomová práca sa zaoberá rozborom bezpečnostných mechanizmov používaných v Android OS a komunikáciou medzi OS Android a vzdialeným serverom. Cieľom je preskúmať tieto mechanizmy a otestovať aké kryptografické metódy a postupy je najvýhodnejšie používať z hľadiska bezpečnosti s ohľadom na efektivitu. Tieto znalosti boli použité pre vytvorenie demonštračného systému, ktorý využíva vybrané zabezpečovacie mechanizmy a kryptografické postupy.

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5 ZEMAN, Karel
5 Zeman, Karel
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