National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Fractal Analysis of Track Geometry
Nejezchlebová, Jitka ; Holcner, Petr (referee) ; Svoboda, Richard (advisor)
The master’s thesis deals with the fractal analysis of track geometry. The theoretical part is primarily focused on introducing the basics of fractal geometry. There is also concisely described the current methodology for evaluating track geometry. In the practical part is verified the accuracy of the methods for determining the fractal dimension of the curve. For different curves with the same standard deviation is calculated the fractal dimension to demonstrate the possible advantages of using this analysis. Further is researched the use of the fractal dimension for the analysis of track geometry data. All mathematical procedures are done using the MATLAB system.
Analýza kritických frekvencí v ionosféře
Mošna, Zbyšek ; Šauli, Petra ; Santolík, Ondřej
Ionosphere is a highly variable system. The most used way how to describe the state of ionosphere is to deal with the critical frequencies which directly reflect the maximum electron concentration in an ionospheric layer. Ionosphere, like many natural systems, exhibits scaling properties. In this paper, we show results of the scaling analysis of ionospheric data from Pruhonice observatory, geomagnetic, and solar flux data from 1957-2005.

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