National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Distribution of noise sources recorded by the WEBNET network and the uppermost S-wave velocity model in the West Bohemia seismoactive region based on seismic interferometry.
Mityska, Martin ; Růžek, Bohuslav (advisor) ; Málek, Jiří (referee)
The master's thesis consists of two parts. The first part contains the azimuth -- slowness analysis for period 3s<=T<=6s, which was conducted by the FK analysis for 10 stations of the WEBNET network. In the second part there is the surface wave group velocity measurement for every station pair of 10 WEBNET stations. The interstation group velocity was obtained by the cross--correlation of microseismic noise records. Local group velocities are connected with the instantaneous period data. The Love wave group velocities are visualised by the 2D tomography calculation. The thesis also contains the additional Love waves dispersion analysis for just one station pair. Powered by TCPDF (www.tcpdf.org)
Distribution of noise sources recorded by the WEBNET network and the uppermost S-wave velocity model in the West Bohemia seismoactive region based on seismic interferometry.
Mityska, Martin ; Růžek, Bohuslav (advisor) ; Málek, Jiří (referee)
The master's thesis consists of two parts. The first part contains the azimuth -- slowness analysis for period 3s<=T<=6s, which was conducted by the FK analysis for 10 stations of the WEBNET network. In the second part there is the surface wave group velocity measurement for every station pair of 10 WEBNET stations. The interstation group velocity was obtained by the cross--correlation of microseismic noise records. Local group velocities are connected with the instantaneous period data. The Love wave group velocities are visualised by the 2D tomography calculation. The thesis also contains the additional Love waves dispersion analysis for just one station pair. Powered by TCPDF (www.tcpdf.org)
Seismic Tomography - historical development and application
Mityska, Martin ; Vilhelm, Jan (advisor) ; Karousová, Hana (referee)
The goal of this bachelor thesis is to offer an overview on technics of seismic tomography, their history and general usage. It's focused mainly on description of pioneering efforts in building mathematical tools of tomography and their application in geophysics. Methods mainly discussed are: Herglotz - Wiechert inversion, first numerical studies like ACH teleseismic method, Aki & Lee method of local sources inversion and early global mantle velocity studies. There are also discused some shortcomings of tomagraphy models and their influences on interpretation of results.

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1 Mityska, Marcel
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