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Room acoustic modeling
Bernát, Michal ; Balík, Miroslav (referee) ; Míča, Ivan (advisor)
This Master's Thesis deals with geometric modeling methods and theirs implementation in Octave (Matlab), which is ideal for the practical realization. The first part of the thesis is focused on a very simplified image source method, which is able to calculate and render the 2D impulse response of rectangular rooms. The next part is aimed on~the same method, but extended by three-dimensional simulation of polyhedral prism-shaped rooms. There is both an explanation of theoretical and mathematical aspects and a~documentation of the implemented source code. Extended image source method is able to generate sound representation of impulse response characteristics, and use it for auralization, which is achieved by using convolution of both the input sound source and the calculated impulse response. At the end there are two practical examples for both methods with explanatory illustrations.
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Optimizing Processes in the Assembly Shop
Bernát, Michal ; Kadlček, Ludvík (referee) ; Videcká, Zdeňka (advisor)
This thesis deals with the analysis and optimizing processes in the assembly shop in the company Alcaplast s.r.o. The theoretical part describes the methods of process analysis, modeling of processes and methods of their optimization. In the analytical part of the business processes are mapped on the example of the company and model contracts are defined by the bottleneck process. Based on detailed analysis of the outputs are designed to address bottlenecks and process evaluation.
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Database application in JAVA language
Bernát, Michal ; Karásek, Jan (referee) ; Číka, Petr (advisor)
This thesis deals about the MySQL database system and its connection with JAVA programming environment. It discusses the implementation of applications with data editing database tables. In the first theoretical part deals about connectivity to the database server using JDBC Connector and its types. Next it defining properties of connection and communication with FTP server. The thesis describes also the security of communication with server using SLL/TLS protocol. The practical part describes how to create the server side of project and the application in JAVA FX.
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Implementation of UMTS package in NS2
Bernát, Michal ; Kovář, Petr (referee) ; Šimek, Milan (advisor)
This bachelor thesis is in the first part focused to research of actual IPTV technologies in global and mobile networks and their processing. It compares IPTV's adventages and disadventages and as well presents actual czech and world-wide offers. There are also discussed other possibilities of mobile TV spreading. Second part deals with the simulation tool NS2 (Network Simulator 2), its description, installation and implementation of extension package for UMTS network simulations. There is created and described simulation with relatively simple scenario to illustrate possibilities of this extension. All practical demonstrations and the installation source codes, which had to be corrected because of compatibility with new versions of operating systems, are now attached to the DVD.
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Valuation of Baťa, a.s
Procházka, Michal ; Bernát, Michal (referee) ; Beranová, Michaela (advisor)
The aim of the master’s thesis is to valuate comapny BATA, a.s. using income – based valuation mmethods. Thesis is dividend into two parts, theoretical and practical. Theoretical part describes basic charakteristics of the terms, defines company and its value, overview of invidual methods and procedures used for valuation of the company. Practical part is focused on application of theoretical knowledge in practise. The master’s thesis contains economical analysis, especially strategic analysis, financial analysis and preliminary valuation of comapany based on value generators. Company value was based on two yield methods, especially method of discounted cash flow entity and method of economic addend value.
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Secure and privacy-preserving data communication
Bernát, Michal ; Člupek, Vlastimil (referee) ; Malina, Lukáš (advisor)
This thesis discusses the possibility of ensuring the safety, integrity and authenticity of data communication with respect to user privacy. This thesis describes the fundamentals of smart grid networks with capabilities of existing forms of security to communications that have been chosen as a target for application deployment of group signatures to ensure the security, integrity and authenticity of data communications. It describes the concept of a zero-knowledge and cryptography primitives. Further, the basic principles are presented, the history of development, and various schemes are compared based on the construction and performance. The second part is given to the deployment and optimization of group signatures for computationally limited devices. Within the draft report were to be implemented in the Java language chosen scheme HLCCN, DP and BBS. They were then tested under various platforms which were measured and evaluated performance parameters of the schemes. The optimization of the work is focused on the times of signatures, which are critical to a smart grid system. Under the platforms are deployed pre-processed pairing optimization methods and other methods resulting from the deployment platform as JPBWrappera and native libraries to deliver more efficient times of sgnaiture. At the end of the thesis are evaluated achievements of optimization methods and the appropriateness of the deployment of smart grids.
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