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Echo suppressor according to G.168 recommendation
Lajtkep, Tomáš ; Krajsa, Ondřej (referee) ; Sysel, Petr (advisor)
This master’s thesis deals with conditions and procedures of testing network echo cancellers according to recommendation ITU-T G.168. The point of it’s interest is design of test application which will perform the objective testing their basic and extended features in MATLAB. Theoretical section is concentrated on declaration the ground of echo cancellers and conditions of their testing. Procedures of particular tests follow in next part. The last section designs the testing function which results in entire application which tests submitted canceller and in chosen file write out the report and is also able to display results like graph.
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Lifetime Simulation of Wireless Sensor Network in Matlab
Chadim, Pavel ; Sysel, Petr (referee) ; Šimek, Milan (advisor)
This bachelor’s thesis is concerned with developing the energy model for wireless sensor network. The main features of wireless sensor networks include minimum energy consumption and the maximum date reliability. Furthermore work will be done in simulation lifetime of wireless sensor networks with the possibility to change parameters (error rate, transmission interval) which affects the power consumption of the node.
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Optimization of electricity consumption in intelligent digital housholds
Gomola, Roman ; Sysel, Petr (referee) ; Kaláb, Pavel (advisor)
This thesis deals with the optimization of power consumption in an intelligent digital home, where the appliances are powered either from a distribution network and also from the photovoltaic source owner. The optimization of consumption we will see both economically and in terms of load distribution network. Renewable power supply operates in a green bonus. Optimization is done using the backup system and the unit Home Manager by SMA. Backup system in collaboration with the batteries will store power from photovoltaic sources, if you're not consumed by appliances in the home. Since it may be a smart home, which is performed by means of inteligent wiring components and accessories (Inels system from the company ELKO EP), is possible thanks to intelligent multimedia extensions and appliances also optimizme consumption.
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Multiplatform audio player
Henzely, Július ; Schimmel, Jiří (referee) ; Sysel, Petr (advisor)
This master's thesis focuses on problematic of creating applications based on multiplatform framework. This thesis also includes fundamental theoretical knowledge about relational database system SQLite, which has been used in a practical part of the thesis. Programing of multiplatform audio player which could be used in speech-language pathology clinic is essential portion of the practical part. Player was enhanced with the database of patients and ability to generate XML files.
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Online reservation system for laboratories and equipments
Točený, Ivo ; Schimmel, Jiří (referee) ; Sysel, Petr (advisor)
The bachelor thesis deals with the issue of a clear reservation system using a web interface for laboratories and laboratory equipment with the possibility of creating reservations with and without repetition, bulk reservations, tracking current reservations, canceling and approving reservations, account management and generating pdf dynamic documents using PHP, Nette, HTML, CSS and SQLite database system.
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Installation, configuration and testing of server services www, e-mail, DNS and SAMBA in IPv4 and IPv6 environments
Dosoudil, Petr ; Sysel, Petr (referee) ; Novotný, Vít (advisor)
The aim of this thesis is to show how to put server services like www, e-mail, DNS and SAMBA into operation within operating systems Microsoft Windows Server 2008 and Debian. The theoretical part is focused on description of individual services and principles of their functioning. The chapter is furthermore supplemented by known problems of TCP/IP, including layers and differences between IPv4 and IPv6. In the practical part, there is specific way of implementation of every service suggested, i.e. how to deal with installation and configuration of those services for selected operating systems. Outcome of this bachelor thesis are detailed instructions for laboratory tasks, which are intended for students of Brno University of Technology. Tasks are designed to be solvable even by students who are less experienced and less acquainted with the subject.
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Parallel implementation of Goertzel algorithm
Skulínek, Zdeněk ; Smékal, Zdeněk (referee) ; Sysel, Petr (advisor)
Technical problems make impossible steadily increase processor's clock frequency. Their power are currently growing due to increasing number of cores. It brings need for new approaches in programming such parallel systems. This thesis shows how to use paralelism in digital signal processing. As an example, it will be presented here implementation of the Geortzel's algorithm using the processing power of the graphics chip.
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