National Repository of Grey Literature 88 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Vplyv pracovných podmienok stroja na presnosť stanovenia jeho polohy
Petrek, Dávid
The thesis deals with the possibility of fixing the position of the machine through the use of satellite systems for agriculture. It is divided into theoretical and practical part. The theoretical part includes three chapters, which are described most famous satellite navigation systems which include GPS systems GLONAS, Galileo and Beidou. Most attention is paid to the GPS system, the work is described its history, functions, each system accuracy, influences affecting the precision guidance signals and correcting their mistakes. Error correction is divided into DGPS, RTK and VRS RTK systems. This is followed by describing the indicators that affect the accuracy of broadcast signals from space satellites. The last theoretical part describes the benefits of parallel guidance of machinery in agriculture in collaboration with boundary management. The practical part is focused on field trail measure, which described the impact of working conditions stand for precision guidance for land assessment and evaluation of the measurement results.
Automatic signal evaluation using Fourier transform
Rudžík, Matej ; Zuth, Daniel (referee) ; Huzlík, Rostislav (advisor)
This master’s thesis deals with signal evaluation using Fourier transform. In the theoretical section, different methods of signal analysis with an emphasis on a Fast Fourier Transform are described. Theoretical section also contains description of common machinery faults and their diagnosis using frequency spectrum analysis. In the practical section, an algorithm for signal evaluation with an emphasis on coherence condition was designed in the Matlab environment. This algorithm was later used to evaluate submitted signals.
Nixie Clock Contolled By The Dcf77 Signal
Piroch, Tomáš
The thesis is focused on realization of nixie clocks controlled by radio signal DCF77. The thesis contains the theoretical part, where theory of the DCF77 signal is described and practical part with description of design and following nixie clock connection, and clock chassis.
Parametrizable Music Instrument for Mobile Platforms
Řezáč, Martin ; Mlích, Jozef (referee) ; Černocký, Jan (advisor)
The goal of this thesis is to create an application, which will be primarily used as three-axis parametrizable musical instrument, respectively a modifi ed MIDI controller, suitable for Android devices. Firstly, several products, which are available on the market, are reviewed and the reader is introduced to the problematics of audio synthesis, available technologies and typical Android device potential. The next chapter is dedicated to application design. Few designs are mentioned with focus on the chosen design concept. A part of this chapter is also a speci cation of the original concept, its implementation and advantages/disadvantages. The next part is dedicated to implementation and optiomalization of some of the critical points. Also the tests are evaluated including a survey about application usability. At the end, the whole work is concluded and the further development is outlined.
Comparison of offensive hand combinations to signal in male and female handball.
Kubišová, Kristýna ; Pokorný, Ladislav (advisor) ; Přibyl, Ivan (referee)
The work is focused on speficic handball property, offensive combinations on the signal. It monitors the differences between the concepts of individual combinations within men's and women's handball. The work was created thanks to the study of theoretical source and by examining the video records of each match. The researched teams are playing in the highest league in the Czech Republic, which are men's STRABAG Rail extraliga and women's MOL liga. The first part of the work describes basic facts about handball using its characteristic, game rules or systematic where individual game activities, game combinations and game systems belongs. The research part analyzes through video records every particular game combination on the signal playing by examined male and female teams. Similarity between both categories, efficiency or importance of game combinations for whole offensive part of the match is examined here. Then are these indicators evaluated.
A Static Analysis Tool Detecting Bugs in Signal Handlers
Kozovský, Daniel ; Vojnar, Tomáš (referee) ; Peringer, Petr (advisor)
This work is about the plugin csigsafe for the GCC compiler. It uses static code analysis to detect bugs in signal handlers according the POSIX norm. This tool analyzes the source files written in C and C ++. This analyzer is created for the Red Hat, which uses it to test sRPM packages used in their Linux distributions. The tool has been tested on a sample of 37 Open Source projects. Testing has shown the utility of the tool to search for errors associated with violation of rules for proper signal handling.
Interactive web applications for support of teaching signal processing
Mašek, Petr ; Rajmic, Pavel (referee) ; Záviška, Pavel (advisor)
The bachelor thesis deals with the topic of processing one-dimensional signals. Five interactive web applications have been created in JavaScript to support teaching. These are applets that relate to the following topics: rational number resampling of the discrete signal, mean and root mean square signal values, discrete linear and circular convolution in 1D, and discrete cross correlation. The thesis introduces each topic by a theoretical foreword, followed by description of implementation and user interface of the created applications and further there is a commentary on the development and testing of applets.
Analog nonlinear function structures for educational laboratory purposes
Filko, Patrik ; Dvořák, Radek (referee) ; Šotner, Roman (advisor)
This master’s thesis deals with the design and the realization of a laboratory teaching device, which includes two-port parts with nonlinear transmission characteristics corresponding to quadratic, inverse quadratic and cubic functions. It also includes a more complicated design of a polynomial function converter that offers students a practical view of functions mathematically designed while verifying their accuracy in laboratory exercises. The whole concept is supported by the design of the power supply circuit and the harmonic signal generator. The individual features of this project are feasible from components commercially available.
Data Analysis and Clasification from the Brain Activity Detector
Ullrich, Petr ; Šůstek, Martin (referee) ; Szőke, Igor (advisor)
This thesis deals with the issue of recording brain activity, implementation of its processing, analysis and classification. The OpenBCI hardware is used for recording. I have studied and described necessary information about recording brain activity and OpenBCI project. Design for data set, data processing and thoughts classification was created. Created system allows classification based on recorded brain activity. The neural network was used for classfication, but the success of the recognition of designed classes was not high.
Crossroads Model
Záviš, Jan
The topic of this paper is The Model of Crossroads Systems with Light Signals. The first part is a theory where I described the issue of crossroads, especially focuses on light's signals. The second part is focused on the design of a demonstration panel that will help as learning tools in the laboratory. In addition, I described development of a test model, which I will test my proposals on. And the last part of this work is a test application. This simple test application gives us results of the test model. For analysing these data, I used IT programme RSLogic5000.

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