National Repository of Grey Literature 21 records found  previous11 - 20next  jump to record: Search took 0.01 seconds. 
Mask - face - expression. Theme utilization in pedagogical practice
Chocholáčová, Dagmar ; Sedlák, Michal (advisor) ; Kitzbergerová, Leonora (referee)
Chocholáčová, D.: Mask - Face - Facial expression. Theme utilization in pedagogical practice. /Diploma thesis/ Prague 2014 - Charles University, Faculty of Education, department of art education,83 p. Diploma thesis is oriented as a theoretical study and research of mask in prezent form with context of history. In this work mask is understanded as a communication between whole world and one person, when the individuality of person meets uniformity of mass. It deals with phenomenom of masking as a everyday manifestation human being identify with social group with specific culture tradition. Mask contemplates between ritual and fun, by probe of traditions, ceremonials, rituals and carnivals, but also probe of contemporary theatre or art . Diploma thesis also thinks about present position of ritual. Goal of the work is specify everyday human being, his mask, face, facial expression, at the modern world. Pedagogical utilization offers implementation theme to space of nursery school and grammar school offer of topics, mostly realized and reflected. Part of work is together finding theme at preparation and realization gallery education for two exhibitions in Rudolfinum Gallery.
Psychoacoustic Perception of Equal Instrumental Chords Distributed Differently in Stereo
Juren, Vojtěch ; Musil, Jaroslav (referee) ; Jirásek, Ondřej (advisor)
This thesis deals with psychoacoustic perception of equally instrumented chords distributed differently in stereo. Also this thesis deals with psychoacoustic perception of unequally instrumented chords distributed differently in stereo. The thesis shows what is psychoacoustic perception, according to what is sound color determined, how does masking work between sounds and for people. Next, it shows examined chords which were differently distributed in stereo. These chords were listened by 72 listeners. They did, according to given scale, evaluate intelligibility of instruments within the chord where every individual tone was played by different instrument. The instruments were categorized into three categories according to their creating higher harmonic components. Also, the listeners evaluated intelligibility of the chords. The data were evaluated with help of psychoacoustic method called semantic differential and the results were set.
Analysis of Speech Masked by Noise in Public Transport Vehicles
Kobližka, Martin ; Zvončák, Vojtěch (referee) ; Jirásek, Ondřej (advisor)
This work deals with the problems of noise and speech masking in public transport . The theoretical is focused on the perception of sound in terms of loudness and frequency. The practical part includes recording noise inside public transport vehicles and determining the loudness and masking thresholds by the Zwicker method using Matlab. Furthermore, speech recording in different dynamics, listening tests and their evaluation in terms of speech intelligibility.
Mask - face - expression. Theme utilization in pedagogical practice
Chocholáčová, Dagmar ; Sedlák, Michal (advisor) ; Kitzbergerová, Leonora (referee)
Chocholáčová, D.: Mask - Face - Facial expression. Theme utilization in pedagogical practice. /Diploma thesis/ Prague 2014 - Charles University, Faculty of Education, department of art education,83 p. Diploma thesis is oriented as a theoretical study and research of mask in prezent form with context of history. In this work mask is understanded as a communication between whole world and one person, when the individuality of person meets uniformity of mass. It deals with phenomenom of masking as a everyday manifestation human being identify with social group with specific culture tradition. Mask contemplates between ritual and fun, by probe of traditions, ceremonials, rituals and carnivals, but also probe of contemporary theatre or art . Diploma thesis also thinks about present position of ritual. Goal of the work is specify everyday human being, his mask, face, facial expression, at the modern world. Pedagogical utilization offers implementation theme to space of nursery school and grammar school offer of topics, mostly realized and reflected. Part of work is together finding theme at preparation and realization gallery education for two exhibitions in Rudolfinum Gallery.
Interference study by selenium determination using UV-photochemical generation of its volatile species in formic acid media with AAS detection
Duben, Ondřej ; Červený, Václav (advisor) ; Kratzer, Jan (referee)
The aim of this work was to experimentally observe the impact of various potential interferents on the determination of selenium using UV-photochemical generation of its volatile species in formic acid media with AAS detection. HNO3, As3+ , Co2+ , Cu2+ and Ni2+ were chosen as model substances affecting the analyte response. All these substances were found significant interferents. Some of these substances (HNO3, As3+ , Cu2+ , Ni2+ ) increased the signal at low concentration, but the signal of selenium decreased significantly at their higher concetration in a sample. Inverse shape of the dependence of the analyte response on the interferent concentration was observed for Co2+ ions. It was found that the reagent Chelaton II, often used in analytical chemistry to mask interferents, also caused a suppression of selenium signal. On the contrary, other maskig agents tested (triethanolamine, amonnium formate) did not lead to any interference. Key words: selenium, UV- photochemical generation of volatile compounds, formic acid, AAS, interference, masking
Countermeasures of power analysis
Gerlich, Tomáš ; Malina, Lukáš (referee) ; Martinásek, Zdeněk (advisor)
Side channels affect a security of the cryptographic systems, due to it is necessary to focus on implementation of the algorithm. There are mention basic classification of side channels in the beginning of the work. The following chapter describes types of countermeasures against side channel attack, which the most emphasis on masking, because of possible implementations on existing cryptosystems. Masking techniques are introduces in the following chapter, where is a description of their method of masking, treatment of cipher and their resistance against attack. The practical part describes the measurements that are trying to record the power consumption of the microcontroller. Measurement was designed to examine primarily on information leakage through power side channel.
Optimization of powder-coating process resulting in a reduction of labor intensity of finishing components in gas insulated substation - GIS
Svoboda, Tomáš ; Kubíček, Jaroslav (referee) ; Strejček, Jan (advisor)
The diploma thesis deals with the optimization of powder-coating process resulting in a reduction of labor intensity during finishing components in gas insulated switchgear (GIS). The thesis is divided into five main chapters that describe characteristic and function of gas insulated switchgear (GIS), the theory of powder-coating, including mechanical and chemical pretreatment of surfaces, the studies of contemporary quality of coating process in the company ABB s.r.o. with classification of components of GIS according to their function. This chapter also contains detailed analysis of section of coating process during the processing of selected parts (housing and conductor). The thesis also contains detailed studies of masking of surfaces at coating parts, specifies the most common defects and determines the main cause presented in a well-arranged chart, design, description and realization of optimization solutions with selection and evaluation of final version. An economic comparison of contemporary condition of powder-coating process with designed optimization solution is stated at the end of the thesis.
Nanoelectrodes for biophysical measurements
Márik, Marian ; Hrdý, Radim (referee) ; Hubálek, Jaromír (advisor)
The aim of the project is formation of nanoelectrodes on the silicon wafer surface by thin-film techniques combined with lithography and nanotechniques developed in LabSensNano. Project is engaged in lithography and in preparation of silicon wafers. Furthermore is proposed a brief proposal of electrodes, proposal of realization and current state of the experiment.
Design and Realization of a System for Masking Dispatcher PC Cut-Off by Backing-Up Data Obtained from TAMRON Weighing-Machine
Štulír, Vojtěch ; Šimek, Václav (referee) ; Strnadel, Josef (advisor)
In the productive operation any kind of plant is undesirable due to failure of system that all production has been stopped. Therefore, different security and backup devices that covered those failures are being developed and used.   This thesis describes vulnerabilities in the real operation which are important for treatment and reduce the risk of failure in the whole production. Here is analyzed problem dispatching computer failure and its solution using a module for covering failure. The function of module consists in backup during failure, their sending and treating them after system failure removal.  Gradually described, there is an analysis of the system and place the module into their architecture. After all details follow description of module development from design through implementation to deployment and testing in reality.
Application for Measurement of Threshold in Quiet and Masking Curves
Bednář, Jan ; Sysel, Petr (referee) ; Schimmel, Jiří (advisor)
Main aim of this thesis is to create an application for measuring threshold in quiet and masking curves in C++ language. First chapter describes basic teory of perceiving sound and phenomenon of masking. Second chapter focuses on description of different hearing measurement methods. Third chapter describes, how the classes and functions for frequency changing oscilator and evaluation were created and how the graph display function works. Next chapter describes, how to use the application properly and how to do the basic calibration, so the data will be displayed correctly. Last chapter shows the correct function, measured thresholds in quiet and masking curves for two subjects.

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