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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Secure web application for surface temperature monitoring based on machine learning methods
 Hejna, Jan ; Bubniak, Milan (referee) ; Musil, Petr (advisor)
The bachelor thesis is focused on the exploration of the influence of solar radiation on the measured temperature by temperature sensors in microwave devices and on the possibilities of quantifying this influence. The thesis explores the possibility of using these devices to measure ambient temperature using selected machine learning methods. The aim was to create a secure web application that will be used for area-based ambient temperature monitoring, thus expanding existing networks of meteorological measurement points. The theoretical part of the thesis focuses on the technology of microwave links and the environmental influences that affect the measured temperature of these devices. In the practical part of the thesis, a correlation analysis was performed between the measured temperatures from different telecommunication equipment technologies and the temperatures of the surrounding meteorological stations. The analysis aimed at selecting an appropriate technology for ambient temperature prediction. The next part of the practical work involved the process of training a machine learning model. The last part involves the development of a web application that displays temperature maps of the Czech Republic.
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TV's influence on individuals, individuals' influence on TV
 Hejna, Jan ; Svoboda, Otakar (advisor) ; Oukropec, Petr (referee)
The television becomes during its relatively short evolution one of the most extensive mass-medium with superficial influence all over the world. The aim of this bachelor paper is to describe reciprocal mechanism of influence of television on individual and vice versa. In the first part I´m focusing on history of television as a medium a further on telecast. At the same time I´m focusing on czech television background. In the second part I´m describing the influence of television on individual, which is divided into the positive, negative and neutral influence. In the third part I´ll focus on the influence of individual on television, why is it goog to have the influence on telecast and the posibilities, which the individual in this way has. Finally, I´ll try to outline my personal opinion on the future development.
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See also: similar author names
2 HEJNA, Jiří
4 HEJNÁ, Jana
4 Hejna, Jaroslav
4 Hejná, Jana
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