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Solver of Mathematical Equations for Android
Janičko, Adam ; Herout, Adam (referee) ; Zachariáš, Michal (advisor)
This thesis aims at creating equation solver application for Android platform. The thesis includes graphical user interface (GUI), save and edit options for equations, the actual equation solving and widget for quickly evaluating already stored equations. When creating equations, user is able to use selected mathematical functions, constants and custom variables that user can define right before evaluation. The equation in the standard infix notation inappropriate for further processing is transferred to the prefix notation using modified Shunting Yard algorithm. Final expression is put together once. That means the evaluation is faster, when the values of user-defined variables changes.
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Measurement of cardiovascular parameters
Németh, Štefan ; Ronzhina, Marina (referee) ; Kolářová, Jana (advisor)
This thesis is about evaluating ECG signal with help of MATLAB. Grafic user iterface aplication was programmed to provide evaluation of source signal, its power spectrum, detects R-R intervals and determines ration between spectral components. Furthemore this thesis is considering practical use of HRV power evaluation in general medical practise.
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Measurement of cardiovascular parameters
Németh, Štefan ; Ronzhina, Marina (referee) ; Kolářová, Jana (advisor)
This thesis is about evaluating ECG signal with help of MATLAB. Grafic user iterface aplication was programmed to provide evaluation of source signal, its power spectrum, detects R-R intervals and determines ration between spectral components. Furthemore this thesis is considering practical use of HRV power evaluation in general medical practise.
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Estimation of pitch period
Matuštík, Daniel ; Tučková, Jana (referee) ; Sigmund, Milan (advisor)
This diploma thesis with estimation of pitch period of the human voice. The paper listed some of the methods for Estimation of pitch period and method for preprocessing and final processing of the signal after application of functions to determine the frequency of the pitch period in graphical user interface.
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ECG Signal Compression Based on Wavelet Transform
Ondra, Josef ; Hrubeš, Jan (referee) ; Kozumplík, Jiří (advisor)
Signal compression is daily-used tool for memory capacities reduction and for fast data communication. Methods based on wavelet transform seem to be very effective nowadays. Signal decomposition with a suitable bank filters following with coefficients quantization represents one of the available technique. After packing quantized coefficients into one sequence, run length coding together with Huffman coding are implemented. This thesis focuses on compression effectiveness for the different wavelet transform and quantization settings.
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