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Hardware MISO Emulator for Fading Channels
Rez, Jan ; Pítra,, Kamil (referee) ; Šebesta, Jiří (advisor)
This thesis is devoted to study the possibility of solving a hardware MISO emulator for fading channels and design of experimental device. The theoretical part starts with the theory of propagation of electromagnetic waves in a different types of environment, follows the principles and phenomena describing the radiocommunication channels and gradually gets up to specific channel models used for planning radio links. The actual design study of emulator is based on theoretical knowledge mentioned in this thesis. The basic principle of each channel model and thus so the emulator for fading channels is Tapped Delay Line model. From the point of view of the peripheral emulator solutions are designed with two topology circuits, parallel and serial-parallel. Emulator control method, mechanical arrangement, selection of topology circuit, components selection, desing of the PCB and software design is also analyzed. The results of this thesis is prototype production of experimental device and final discussion about achieved requirements and tasks.
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Finite element modelling of voice propagation through the vocal tract and around the human head
Tomeček, Vojtěch ; Pellant, Karel (referee) ; Švancara, Pavel (advisor)
This diploma thesis deals with creating of finite element model for the analysis of acustic waves radiation through human vocal tract and through the head surrounding space. The thesis contains a short overview of the anatomy of relevant parts and a short overview of formerly published models relevant to the topic. Then the process of creating the 3D model of human head, including the vocal tract, based on CT scans, and the mesh itself follows. This is succeeded by the computational solution taking in the acount the acoustic absorption of the vocal tract walls and radiation into the open space. The results gained are compared to relevant literature on this topic. The changes in frequency spectra in specific nodes of the mesh are reviewed and compared to relevant literature on the topic. The results could be used as basis of eventual frequention corrections of microphones used for voice diagnosis or registration in general, eg of speach or singing.
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Significance of emergencies modelling using specialized programmes
Ruhásová, Aranka ; Hradil, Jaroslav (referee) ; Fazekas, Monika (advisor)
The Master's Thesis deals with the usage of various software tools in emergency management and in environmental protection. Nowadays, on every step we make, we can face emergency situations which can cause great harm to the environment as well as to human life and property. The theoretical part provides an overview of software tools. Different software tools, their basic parameters, development and usage are described. There are also explained terms like geographic information system, etc. The practical part is focused on the instruments used in selected countries, including Czech Republic, Slovak Republic, Hungary, USA, Canada and the United Kingdom. In the conclusion is the comparison of the effectiveness of software tools in emergency management and in environmental protection.
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Significance of emergencies modelling using specialized programmes
Ruhásová, Aranka ; Mika, Otakar Jiří (referee) ; Fazekas, Monika (advisor)
The Master's Thesis deals with the usage of various software tools in emergency management and in environmental protection. Nowadays, on every step we make, we can face emergency situations which can cause great harm to the environment as well as to human life and property. The theoretical part provides an overview of software tools. Different software tools, their basic parameters, development and usage are described. There are also explained terms like geographic information system, etc. The practical part is focused on the instruments used in selected countries, including Czech Republic, Slovak Republic, Hungary, USA, Canada and the United Kingdom. In the conclusion is the comparison of the effectiveness of software tools in emergency management and in environmental protection.
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Rozšíření a velikost populace bobra evropského (\kur{Castor fiber}) ve VÚ Boletice
SEIDL, Vladislav
In this bachelor thesis the information about the European beaver (Castor fiber), its historical and recent distribution in the Czech Republic including possible immigration paths is reviewed. The impact of beaver on communities of both aquatic and terrestrial organisms and its relationship with humans are described. The thesis also includes a project proposal regarding monitoring the population size and territories number of the European beaver in Boletice Military Training Area. Some management implications focused on military area are discussed.
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The occurrence of herbaceous invasive plant species in the territory of Římov village
PETROVIČOVÁ, Ivana
The diploma thesis is focused on the occurrence of herbaceous invasive species in the urban area of Římov village with a possible connection to the open landscape. As part of the monitoring, 14 invasive species included in the black and gray list of the Czech Republic were found in the area. Among the species associated mainly with the urban environment were, for example, Conyza canadensis, Erigeron annuus, Oxalis corniculata, Galinsoga parviflora and G. quadriradiata. In the (semi) natural environment, for example, the species Reynoutria japonica, Impatiens parviflora or Helianthus tuberosus were observed. The occurrence of selected invasive species is shown in the map data. The diploma thesis also includes a botanical determination key.
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Political and geographical factors causing the rise and spread of Islamic state
Plešivčák, Peter ; Tomeš, Jiří (advisor) ; Boleček, Vít (referee)
This bachelors thesis focuses on establishment of the Islamic State, which led to the outbreak of armed conflict, humanitarian catastrophe and widespread population migrations. As the threat of destabilization of the entire Middle East, attracted the attention of many disciplines, including political geography. The aim of the work is the literature review and assess the geopolitical map sources, religious and social causes of the Islamic state and attempt to justify its geographic spreading based on these factors. The work is focused mainly on assessing the impact of religious, ethnic and socio-economic structure of Iraq and Syria and the importance of regional differentiation of these factors for the emergence and spread of Islamic State.
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Specificities of the HIV / AIDS spread in the European Union countries
Plháková, Johana ; Kučera, Tomáš (advisor) ; Gorka, Anna (referee)
Specifities of the HIV/AIDS spread in the European Union countries Abstract The bachelor thesis describes the spread of HIV and AIDS in the European Union. The first part provides an overview of important documents that are shaping a strategy for fighting against HIV and AIDS in the European Union. The thesis provides in the following part a brief history of HIV and AIDS, modes of transmission and treatment. The main part gives an overview of the situation in the European Union in the years 1985-2013. There is drawn up analysis for each country of the situation in this period. The situation is mapped by indicators of mortality and incidence. The analytical part of the thesis is handled by using cluster analysis for comparison between states. Through this analysis is offered a list of comparison waveforms incidence of HIV/AIDS. Keywords: HIV, AIDS, spread, European Union
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Factors determining distribution of species in dry grasslands
Průchová, Dana ; Münzbergová, Zuzana (advisor) ; Hadincová, Věroslava (referee)
Factors determining distribution of species in semi-natural grasslands Survival and colonization of plant species in fragmented landscapes are topic of many recent studies. Most of them deal with one or just a few species or with overall species diversity. There are also a lot of studies devoted to the effect of abiotic characteristics and other parameters of fragmented habitat patches. Studies that would enable to evaluate behaviour of a large number of individual species are still relatively rare, especially in case of grassland species. Comparison of species traits in conjunction with the knowledge of type of historical land use and abiotic requirements of species can be a key to understanding of current species dispersal and their regional dynamic in fragmented landscape. This method of prediction of species dispersal can be a good implement for landscape planning and conservation of species and also their habitats. Goal of my thesis was to determine which traits of species influence response of species on land-use history in fragmented habitat of dry grasslands. I tried to use effect of land-use history without effect of environmental factors on species composition in phytosociological relevés. Then I tried to explain the reaction of species through their traits. I focused partially on traits...
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