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This diploma thesis deals with a comparison of the measured data using various GNSS apparatures. In the theoretical part, the general structure of navigation systems is described and the comprehensive overview of navigation systems in the world is elaborated here. The next chapters are devoted to regional and augmentation navigation systems. The last chapter in the theoretical part is focused on point field in the Czech Republic.In the practical part of this thesis, the experimental measurement using various GNSS apparatuses was carried out in cadastre unit Kokořov. Subsequently, the measured data were transformed into S-JTSK and compared with each other. In the end, using various GNSS for the purpose of registration changes in landuse was evaluated.

In the field of IT-forensics you may often get to analyze different types of digital devices. One ofthese devices is the GPS navigation system. Nowadays GPS technology is getting more and morepopular and is included more frequently in different types of devices. With this article we want topresent the differenent obstacles and possibilites that a forensic investigator is presented with in thistype of investigation. We will be comparing different software suites and make use of forensic toolssuch as EnCase.The reader should get some understanding of the methods there are for analyzing one of these devicesand what problems that may occur in the investigation process.The article presents how the investigator can use different methods to gain information such as recentroutes, favourite destinations and other information that may be stored on the device. The amountof information stored on the device depends purely on the device modell that is being analyzed.We will present the process of how to aquire and analyse data from four different GPS devices, twomodels from Garmin and two models from TomTom. The data we have aquired is saved favourites,traveled routes and history from phone calls. We have also done a comparison between two softwaresuites, EnCase and Blackthorn2. Our results have varied between the softwares, with both positiveand negative results. The devices from Garmin gave us the best results in this study.

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For legal use of artificial water reservatories, it is necessary liberation of competent authorities granting the request for water use. The application requires extensive information about the object to be measured. When the object of the measure is a reservatory, the information required is the volume of water mass stored. To quantify the depth value and then get the volume of water reservatory already constructed, the current methodologies using tools like electronic tachometer (season total), multibeam echo sounder and mono and remote sensing. This methods give informations about water quantity and quality, which increases practice bathymetry. Therefore the goal of this study is to develop a more practical and less expensive method of measure, using an alternative apparatus for bathymetric surveys in small reservatories. Therefore, we compared depths measures obtained by the conventional known and consolidated method tape using topographical surveys. This method obtains measurements with the sonar device Garmin Fishfinder 90, developed for fishing. The depth values obtained with both method sare compared statistically to evaluate the significance and degree of correlation between both methods (tape and sonar). We propose a model to estimate the correct depth with sonar observed. With this model it is possible to use sonar bathymetry for small reservatories, making it possible to execute bathymetric measure with less expensive cost. It is concluded that it is possible to use sonar bathymetry for small reservoirs, making it possible to execute more agile bathymetric much lower cost when compared with the use of echo sounder professional. / Para o uso legal da água de reservatórios artificiais, é necessário realizar junto ao órgão competente o pedido de outorga do uso da água, do qual esse pedido requer inúmeras informações sobre o objeto a ser outorgado. Quando o objeto de outorga é um reservatório, uma das informações solicitadas é o volume de massa d'água armazenado. Para quantificar o valor de profundidade e posteriormente obter o volume hídrico de reservatórios já construídos, as metodologias atuais utilizam instrumentos como taquímetro eletrônico (estação total), ecobatímetro de mono e multifeixe,sensoriamento remoto e trena que possibilitam obter informações quali-quantitavitas hídricas, o que encarece a prática da batimetria. Sendo assim o objetivo deste estudo foi desenvolver uma metodologia mais prática e de menor custo, com a utilização de um aparelho alternativo, para levantamentos batimétricos em reservatórios de pequeno porte. Para tanto, comparou-se medidas de profundidades obtidas através do método convencional conhecido e consolidado, que usa trena de levantamentos topográficos com medidas obtidas com o aparelho sonar Garmin Fishfinder 90, desenvolvido para pesca. Os valores de profundidade obtidos com ambos os métodos foram comparados estatisticamente, para avaliar a o grau de correlação e significância entre ambas as metodologias (trena e sonar). Foi criado um modelo de correção para a estimativa de profundidade observada com o sonar. Conclui-se que é possível utilizar o sonar, para batimetria em pequenos reservatórios, tornando possível a execução de levantamentos batimétricos mais ágeis a custos bem mais reduzidos quando comparado com o uso de ecobatímetro profissional.

Title: Comparison of functions of sports testers designed for control and monitoring of parameters of movement in water Objectives: Comparison and evaluation of individual functions of selected sport-testers in different types of swimming training. Methods: The research group consisted of one probande, a student of Charles University FTVS. In the research, we chose a controlled observation method to detect and compare the individual functions of selected sports testers over three types of swimming training. Results: Based on an analysis of the accuracy of the recording of observed quantities for individual sporttesters, we found that the sporttesters Polar and Garmin can be used both to manage and guide and control swimming training. However, the final record needs to be supplemented by the exact sum of the swimming metres, which in turn refines the results of the average swimming speed. The Swimmo sports tester was rated the worst, based on inaccurate measurements of individual quantities and instrument control. In an overall assessment of all devices and their parameters, the Sporttester Polar was the best. Keywords: heart rate, swimming training, Garmin, Polar, Swimmo

The main goal of this thesis is perform fundamental analysis of four chosen stocks from electrotechnical industry, which are on XETRA stock market. Theory describes some methods from fundamental analysis and practical part is using this techniques on following companies Cicor Tech. Ltd., Garmin Ltd. Jenoptik AG a LPKF. In conclusion is evaluated investment recommendation for those stocks.

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