|
|
Efficacy of combined dosing of coagulant and flocculant on wastewater sludge dewatering
Pániková, Kristína ; Novotná, Věra (referee) ; Hrich, Karel (advisor)
Sludge treatment and disposal are one of the most important parts of sewage treatment. These are economically challenging parts, and therefore emphasis is placed on effective dosing. The dose should be as small as possible but also the highest dry matter output. The main target of this diploma thesis is therefore to show that it is possible to achieve the same or better degree of drainage of the sludge if different flocculant/coagulant ratio is applied to the sludge. Diploma thesis deals with determination of the optimal combination of chemical doses during sludge dewatering. The thesis contains two parts, practical and theoretical. The theoretical part consists of research, overview of processed research and works in the area of sludge dewatering. The second part is a description of laboratory measurements and evaluation of results.
|
|
|
Regional reporting of Czech Television in years 1992 - 2012 by internal staff
Krátká, Veronika ; Franc, Martin (advisor) ; Krátká, Lenka (referee)
The main aim of this work is to describe the history and development of Czech Television's regional news coverage in years from 1992 till 2012, using the testimonies of direct TV staff involved in this reporting beyond the available resources, thereby expanding the amount of information on this issue. To achieve this information, the oral history method was used and the subsequent verification of the information obtained was done using the literature, diploma theses, annual reports and other sources in this work specified. The result of this work is the extension and addition of new facts and information about the history of Czech Television's regional news, especially of internal character, not yet obtainable from available professional publications or public reports and data. These include information on the nature of interpersonal relations in regional news, the attempt to influence the outward processing and thematic focus of the editorial offices and the specific technical and structural development of individual regional editorial offices. Key words Czech Television, ČT, CST, narrator, reporter, regional news, regions, Večerník, Události, Události v regionech.
|
|
|
Modeling the brain of a rat
Kuřátko, David ; Koudelka, Vlastimil (referee) ; Raida, Zbyněk (advisor)
This master’s thesis deals with creation and modification of several numerical rat’s brain models which are subsequently used in electromagnetic software CST Studio Suite 2014. The first part of the thesis is focused to insertion of exciting source to the model which depends on the used approach. These sources produce signals on the surface of the rat’s brain model which are then analysed. The experimental part of the thesis dealt with three different procedures of cooking agar jelly, which were used for creation of five plate capacitors, which subsequently served for measure electric properties of phantom. The conclusion of this master’s thesis is focused on comparison between results from simulations and experimental parts with a subsequent analysis of the deviations of results and their possible causes.
|
|
| |
|
|
The perspnality of czech sports journalism Tomáš Jungwirth
Pavelková, Eva ; Bednařík, Petr (advisor) ; Němcová Tejkalová, Alice (referee)
Tomáš Jungwirth was a major commentator of Czechoslovakian television since the late 70's to the beginning of the 90's. The aim of this thesis was to give reader a comprehensive view on Jungwirth's personality, work chronologically describes his professional development (whether athletic or commentatory). In the first chapter, because of understanding the various aspects related to it, briefly characterizes sports journalism, more attention is paid to the live broadcast. Without this basic knowledge I would not be able to understand the conditions in which Jungwirth worked, and creating other elementary knowledge, such as how is the profession of sports commentator perceived. The second chapter is devoted to Jungwirth's life before coming to the sports section of ČST - especially athletic career. Tomáš Jungwirth was (like his brother Stanislav) successful Czechoslovakian representative for middle-distance running. Years of racing experience he used in his later career. Work continues with the third part, which describes Jungwirth's working in television - from the admission to leaving ČST and carrying out the function of a superior of the sports section on private Kabel Plus. As a top of Jungwirth's career I mark commenting of the World Championship in athletics 1983 in Helsinki. An important part...
|
|
|
3D textile integrated monopole
Füll, David ; Kufa, Martin (referee) ; Cupal, Miroslav (advisor)
This thesis deals with the design of omnidirectional monopole antennas. Using the parabolic reflector and the directors, the directional characteristics of monopole antennas are modified. This directional antenna, together with the omnidirectional antenna, examines the effect of various materials, the emission characteristics and the input reflection factor, near the antennas. These antennas are made of 3D textile, measured in anechoic chamber and compared to the designed antennas. At the end of the thesis is the summary and evaluation of the result.
|
|
|
Planar and wired Yagi-Uda antennas
Křepela, Pavel ; Pokorný, Michal (referee) ; Mikulášek, Tomáš (advisor)
This work deals with the study of Yagi-Uda antennas, followed by analysis and design of planar antenna with wired reflector. The first part focused on the analysis of the antenna and parameters. Another part of the continuing investigation of the optimum parameters for a given antenna followed by a design in Wi-Fi 5 GHz band. The antenna is simulated in CST Microwave Studio. The final part devoted the results achieved
|
|
|
PIFA Antenna design for GSM band
Kollár, Marcel ; Čapek, Miloslav (referee) ; Kadlec, Petr (advisor)
The main topic of this diploma thesis is a design of the PIFA antenna working in GSM bands. In the beginning there is a brief analysis of planar antennas. The thesis describes PIFA antenna and the techniques for minimization of dimensions of the antenna. Essential part of the thesis is dedicated to multicriterial optimalizaton of the antenna shape. The genetic algorithm programmed in the MATLAB enviroment cooperates with a full-wave solver CST to obrain desired impedance matching of the antenna its radiationt paterns. Also dimensions of the antenna can be minimized using the optimization procedure. Final part of the thesis compares measured data of the optimalized antenna with results obtained in CST Microwave Studio.
|
|
|
Toolbox for the cooperation of MATLAB and external simulation programs
Moravec, Petr ; Sekanina, Lukáš (referee) ; Oliva, Lukáš (advisor)
In this Master's thesis scripting interface of two programs CST Microwave studio and Ansoft HFSS for the purpose of analysis of electromagnetic structures is described. The work is focuses control of these programs with help of scripting languages and system's interface of MS Windows XP. Next the process of connecting programs with MATLAB is shown on commented scripts together with an example of complete analysis of a chosen problem, and the import and export of results results in MATLAB. Further the functions which form programming interface between MATLAB and simulation programs are designed and implemented. The interconnection layer makes the complete control of simulating programs possible using the function description published in the official documentation of used simulation programs. The layer is described in reference manual in detail and it is used for optimization with use of Particle swarm optimalization (PSO) of planar antenna model. Then there is presented another usage of the layer for an implementation of global optimization methods - SOMA and DE including suggestion of process for comparison efficiency of optimization algorithms on simple electromagnetic models.
|
|
|
The Critical Systems Thinking and its necessity and usability within a commercial company
Pilecký, Jakub ; Sigmund, Tomáš (advisor) ; Pavlíček, Antonín (referee)
This thesis deals with the critical systems thinking (CST) and its necessity and usability within a commercial company. Critical systems thinking is defined and explained from different perspectives, first as a specific way of approaching a problem, but as a tool for problem solving as well. The thesis also details the specific skills of critical systems thinking and systems archetypes and identifies some interrelations between CST and a specific commercial company with its needs. The practical part is focused on the process of solving specific problems using critical systems thinking, it also discusses the benefits and limitations and evaluates the overall necessity of CST for a commercial company.
|
guest ::
