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The media dialogical networks in the communist Czechoslovakia Abstract The concept of the media dialogical networks (DN) is one of the ways to analyse mass media communication; its theoretical background is M. M. Bakhtin's theory of dialogism and H. Sacks' ethnometodological conversation analysis. The concept of DN had been developed using data collected in the 1990s in the UK and the Czech Republic while in this thesis it is applied to data originating in a different context, namely in former Czechoslovakia in 1952, 1967 and 1972. The main data source was the national daily Rudé právo [Red Justice]. The difference of the context lies both in the time distance of the target period, as well as in the then dominant tone of massmedia content. As for the aspect of time, there is a longer gap between the examined period and the present, which is also connected to a different state of development of technologies used in journalistic practice. And then, there is the fact that in the examined period the contents of mass media production were adapted to the ideological requirements of the ruling political party. The analysis deals mainly with the construction of the DN, the categorization work of actors of the DN and with the way new actors of the DN are selected. For this reason, the methods of sequential and...

This master's thesis consider clustering of protein sequences based on primary structure of proteins. Studies the protein sequences from they primary structure. Describes methods for similarities in the amino acid sequences of proteins, cluster analysis and clustering algorithms. This thesis presents concept of distance function based on similarity of protein sequences and implements clustering algorithms ANGES, k-means, k-medoids in Python programming language.

This thesis deals with an object surface analysis in a simple scene represented by two-dimensional raster image. It summarizes the most common methods used within this branch of information technology and explains both their advantages and drawbacks. It introduces the design of an surface profile analysis algorithm based on the lighting analysis using knowledge and experiences from previous work. It contains a detailed description of the implemented algorithm and discusses the experimental results. It also brings up options for the possible enhancement of the projected algorithm.

The thesis deals with research of pulse compression of the acoustic signal in terms of applications in civil engineering. Based on the study and analysis of these methods, automated measuring equipment for non-destructive testing with pseudorandom sequence of maximum length and automated signal analysis, have been designed and implemented. In a single test cycle are obtained three parameters that characterize the linear and nonlinear behavior of the sample. A nonlinear parameter, Time of Flight of ultrasonic wave in the sample is further in the work compared with the conventional pulse measuring, and spectral analysis is compared with the method impact-echo. Functionality and optimization of the testing method was performed on a total of three sets of test pieces made of various building materials. The experiments proved simple result interpretation, and high sensitivity to structural damage associated with temperature loading. The results were correlated with conventional nondestructive methods and by destructive testing was measured change in compressive strength and flexural strength. This work also includes continual measurement of fundamental frequency influenced by moisture on a mortar sample. Use of pulse compression signal is in the civil engineering quite unusual. Only in recent years this topic is discussed in scientific articles with increasing frequency. Great potential lies in the association of three test methods into a single. Beneficial is high test speed and measurement reproducibility, but also theoretical possibility of testing massive test elements.