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Status of soil organic carbon content of selected reclaimed sites in the Podkrušnohorská dump.
KOBESOVÁ, Martina
The main aim of this thesis was to assess the status of soil organic carbon in newly shaped soils called Velká podkrušnohorská dump in the Sokolov district and evaluate the information in relation to the physic-chemical properties of soils. Another objective was to determine the relationship between the stable and labile fractions of soil organic carbon. The amount of soil carbon (stable fraction) was measured in the solid soil samples and there was the analysis of basic physic-chemical parameters of the soil performed. The highest concentration of soil carbon was measured in the stand alders and larch. The amount of soil carbon (labile fraction) was measured in the water extract. The highest values were measured in the stand silver birch and alders. Based on this data the quotient of the labile fraction from the stable fraction was determined and the correlation of the labile and stable fractions was made. It was found out that the higher quality soils are located at the leafy trees, but it leads to leaching of organic carbon. The bulk density and coarse-grained soil fraction was determined from the physical properties and these data were used to calculate the stock of soil organic carbon. The highest value was measured in deciduous forests with small-leaved linden, in coniferous forests with larch. The stocks of soil organic carbon were converted into codes by land cover categories and the thematic map was created. It was found out that the leafy trees are much more appropriate for forest restoration, because they are characterized by the rapid initial growth, easily degradable plant litter and stable form humus. Deciduous forests are also characterized by more developed soil substrate, which is however unstable.
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LDPC codes
Hrouza, Ondřej ; Šedý, Jakub (referee) ; Šilhavý, Pavel (advisor)
The aim of this thesis are problematics about LDPC codes. There are described metods to create parity check matrix, where are important structured metods using finite geometry: Euclidean geometry and projectice geometry. Next area in this thesis is decoding LDPC codes. There are presented four metods: Hard-Decision algorithm, Bit-Flipping algorithm, The Sum-Product algorithm and Log Likelihood algorithm, where is mainly focused on iterative decoding methods. Practical output of this work is program LDPC codes created in environment Matlab. The program is divided to two parts -- Practise LDPC codes and Simulation LDPC codes. The result reached by program Simulation LDPC codes is used to create a comparison of creating and decoding methods LDPC codes. For comparison of decoding methods LDPC codes were used BER characteristics and time dependence each method on various parameters LDPC code (number of iteration or size of parity matrix).
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Hexagonal Platform with Servo Control
Korgo, Tomáš ; Maršík, Lukáš (referee) ; Zemčík, Pavel (advisor)
Goal of the thesis is to show the possibilities of using ordinary hobbyist RC servos and means of their control by a computer. For demonstration of the capabilities of servos, we have created Stewart platform which is using hobbyist servos to position the platform. In the thesis there is explained principle of the inner working of a servo, their properties, abilities and also means of their control by a computer. In practical chapters of the thesis there is documented process of designing and implementing of functional Stewart platform along with specific properties of this platform which influence its design. This platform is also reviewed and based on the results we will show technical properties of the platform, advantages and disadvantages of using ordinary hobbyist servos to control the platform. Design of the platform and its documentation is created with respect to intent to make the ddesign, source codes, documentation available to public on wepages focused on aggregating of instructables and tutorials to make usage of outputs possible in practice.
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Nonlinear Physics and Chaos Theory
NÁHLÍK, Tomáš
This thesis deals with nonlinear physics and chaos theory from its begining, through the main people to its application in various fields. This work has also part of fractals and fractal geometry. There are also source codes of various examples.
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Nursing care for a client suffering from Parkinson's disease
SVOBODOVÁ, Pavlína
Current state of the research field: Parkinson's disease is a neurodegenerative disease affecting basal ganglion. Brains of patients suffering from Parkinson's disease are damaged by death of dopamin producing cells in substantia nigra. Cause of this cell death is still unknown. Symptoms of Parkinson's disease include tremor, rigidity, aknesia and bradykinesia, disturbances to posture and gait, hypophonia, dysarthria, micrographia, eye movement abnormalities and decreased blink rate, hypomimia and mental, vegetative, sensoric and sensitive dysfunctions. In diagnosis of Parkinson's disease a medical history collected by a physician in collaboration with a nurse is used. Nurse assists a client with filling a questionnaire regarding nonmotoric symptoms. Furthermore, she carries out a L-dopa test. If symptoms are mitigated after drug administration, the test is considered being positive. Other examinations requiring nurse's assistance are DaTscan and histology. Pharmacological treatment relies on substitution of missing dopamin and hence restoring dopaminergic transfer. Nurse administers Levodopa, dopamin agonists or COMT inhibitors according to physician's decision. In neurosurgical treatment, where deep brain stimulation is used, nurse conducts preoperative and postoperative care. Pharmacological and neurosurgical treatment could be also combined with supportive treatment, about which should a nurse inform a client. Major nursing care complications in Parkinson's disease which are monitored by a nurse includes limited mobility, walking problems, tremor, impaired self-management, stress overload, anxiety, speech disturbances and voice disorders, constipation, urinary incontinence, impaired balance and frequent falls, inappetance and swallowing difficulties. Aims: To map problems in nursing care for a client suffering form Parkinson's disease from client's and nurse's points of view. To map nursing interventions in Parkinson's disease therapy from client's and nurse's points of view. Methods: Qualitative research in form of an in-depth interviews with nurses and clients was carried out. All interviews were recorded as a verbatim copy and coded using pencil and paper open coding method. Created codes were grouped into categories and subcategories. Interviews were carried out in March 2014. Participants: First set of participants comprised of ten nurses caring for Parkinson's disease suffering clients, four of them working at a department of neurology, four at a department of long-term care and aftercare, and two nurses providing a home care. Other set of participants comprised of six clients suffering from Parkinson's disease, five of them were members of Parkinson club České Budějovice, and the last was living in a village near Náměšť nad Oslavou. Results: Using the open coding method three categories, focused on particular topic, each containing several subcategories, were picked from interviews with both participant groups. Categories Nursing care problems, Nursing care and Specific interventions are identified in the first part. In the category nursing care problems nurses mostly agreed on a self-management deficit, movement difficulties, increased fall risk and communication problems. Aktivisation, motivation, rehabilitation, self-management training, regular drug administration and family participation were most frequently mentioned in the category nursing care. In the category specific interventions nurses focused on interventions directly related to particular problems. In the second part of the research categories Every day tasks management, Nursing care and Specific interventions are identified. In the every day tasks management category clients mentioned necessity of other parsons assistance in self-management, and movement difficulty and stiffness are considered being most annoying.
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Extreme Value Theory in Operational Risk Management
Vojtěch, Jan ; Kahounová, Jana (advisor) ; Řezanková, Hana (referee) ; Orsáková, Martina (referee)
Currently, financial institutions are supposed to analyze and quantify a new type of banking risk, known as operational risk. Financial institutions are exposed to this risk in their everyday activities. The main objective of this work is to construct an acceptable statistical model of capital requirement computation. Such a model must respect specificity of losses arising from operational risk events. The fundamental task is represented by searching for a suitable distribution, which describes the probabilistic behavior of losses arising from this type of risk. There is a strong utilization of the Pickands-Balkema-de Haan theorem used in extreme value theory. Roughly speaking, distribution of a random variable exceeding a given high threshold, converges in distribution to generalized Pareto distribution. The theorem is subsequently used in estimating the high percentile from a simulated distribution. The simulated distribution is considered to be a compound model for the aggregate loss random variable. It is constructed as a combination of frequency distribution for the number of losses random variable and the so-called severity distribution for individual loss random variable. The proposed model is then used to estimate a fi -nal quantile, which represents a searched amount of capital requirement. This capital requirement is constituted as the amount of funds the bank is supposed to retain, in order to make up for the projected lack of funds. There is a given probability the capital charge will be exceeded, which is commonly quite small. Although a combination of some frequency distribution and some severity distribution is the common way to deal with the described problem, the final application is often considered to be problematic. Generally, there are some combinations for severity distribution of two or three, for instance, lognormal distributions with different location and scale parameters. Models like these usually do not have any theoretical background and in particular, the connecting of distribution functions has not been conducted in the proper way. In this work, we will deal with both problems. In addition, there is a derivation of maximum likelihood estimates of lognormal distribution for which hold F_LN(u) = p, where u and p is given. The results achieved can be used in the everyday practices of financial institutions for operational risks quantification. In addition, they can be used for the analysis of a variety of sample data with so-called heavy tails, where standard distributions do not offer any help. As an integral part of this work, a CD with source code of each function used in the model is included. All of these functions were created in statistical programming language, in S-PLUS software. In the fourth annex, there is the complete description of each function and its purpose and general syntax for a possible usage in solving different kinds of problems.
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QR and barcodes
Walter, Viktor ; Jirgl, Miroslav (referee) ; Franek, Lešek (advisor)
The focus of this bachelor thesis is identification of devices in smart grids by barcodes and QR codes. It contains description of symbologies of these graphic codes and tests their characteristics in reading, with an application, developed as a part of this thesis. Thesis contains recommendations and suggestions for physical identification of devices, based on theoretical knowledge and observations made by testing. Included application is also capable of registering devices on their installation.
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Universal measuring device for USB interface
Nosek, Petr ; Šilhavý, Pavel (referee) ; Krajsa, Ondřej (advisor)
This bachelor’s thesis deals with design and subsequent implementation of Universal measuring boards, cooperating with the PC via USB, representing the office of the oscilloscope and logic analyzer. It contains a proposal for a hardware measuring boards and the proposal of operating software for microcontroller mounted on the measuring board, as well as for personal computer operating system MS Windows. The work is complete chart measuring the preparation, design printed circuit and the final product photos. We are also diagrams of all development programmes and their source codes.
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Software for learning support of error-correcting codes
Petrik, Ján ; Vlček, Lukáš (referee) ; Burda, Karel (advisor)
This Bachelor thesis is mainly focused on issues of the chosen error correcting codes (ECC) and their demonstrative. Goal of this work is help to understand ECC to readers, easy and reasonable form. We can find here a lot of illustrative tables and figures for better understanding how codes works. Every section constains one code and mostly is filled by code securing and code decoding. For every section interactive Aplet and program for experimental uses were created.
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