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Frequency-to-Voltage Converter
Šindelář, Michal ; Bejček, Ludvík (referee) ; Beneš, Petr (advisor)
This bachelor’s thesis deals with the issue of the transfer frequency to voltage focusing on dynamics and accuracy. The goal of this thesis is the design and implementation of the converter based on the input arguments. The graph evaluates the tradeoff between dynamics and accuracy. It is possible to choose a more suitable solution to transfer frequency to voltage for the specified requirements.
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Import Plugin for Network Protocol Analyzer
Ocelík, Tomáš ; Kajan, Rudolf (referee) ; Jurnečka, Peter (advisor)
This Bachelor's thesis deals with design and implementation of plug-in for Protocol analyzer and shows its main parts and its purposes. Thesis presents the basic principle of operation of Protocol analyzer and describes interface for input and output plug-ins. Then prototype solution for trunk network MPT-1327 is shown. Moreover thesis theoretically deals with basic kinds of modulation and expression of wireless signals by in-phase and quadrature component.
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Software for Biometric Recognition of a Human Eye Iris
Maruniak, Lukáš ; Orság, Filip (referee) ; Drahanský, Martin (advisor)
In my thesis, I focus on the task of recognizing human iris from an image.In the beginning, the work deals with a question of biometrics, its importance and basic concepts, which are necessary for use in following text. Subsequently process of human Iris detection is described together with theory of evolution algorithms. In the implementation part, is described the design of implemented solution, which uses evolution algorithms, where is emphasis on correct pupil and iris boundary detection.
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Microprocessor control unit with frequency synthesizer for SW radiostation
Povalač, Aleš ; Fuchs, Michal (referee) ; Šebesta, Jiří (advisor)
The thesis is focused on the development of a radioamateur short-wave transceiver. The basic functions, features and parameters are described in the introduction. The bandplan and appropriate types of emission are also included in the introductory part. The frequency synthesis module is discussed in the second part of the document. Emphasis is placed on the direct digital synthesis method (DDS) using modern Analog Devices circuits. The proposed DDS module includes a high-speed clock source. The description of an intermediate frequency module with a demodulator is also placed there. The final part in devoted to the design of a transceiver control panel with a graphical display, a keyboard and a rotary encoder. The firmware for an ATmega128 microcontroller is described in detail at the end of the thesis.
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