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Last update: T_KG (16.05.2001)
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Last update: PLICKA/MFF.CUNI.CZ (11.04.2008)
Tha aim of this course is to introduce the students into the observation practice (seismograph types, data processing, cooperation with the data centers) |
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Last update: prof. RNDr. František Gallovič, Ph.D. (10.06.2019)
Podmínkou udělení zápočtu je aktivní účast na semináři. Povaha kontroly studia předmětu vylučuje opravné termíny zápočtu. |
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Last update: RNDr. Pavel Zakouřil, Ph.D. (05.08.2002)
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Last update: T_KG (11.04.2008)
Practicals |
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Last update: T_KG (07.05.2002)
History of the station; instaled seismographs; UK MFF stations in Greece; Czech seismic stations Seismographs Priciple, types and parameters; transfer function (poles and zeroes); frequency and impulse response Seismograms Reading of analog and digital records (program SCREAM), output formats (GCF, SAC, ASCII); Seismogram convolution and deconvolution, filtration, spectra, component rotation, phase polarization (program PITSA) Wave kinematics The models of the medium: planar and spherical (JB, IASP91), velocity-depth gradients and discontinuities; body main and supplementary wave phases, epicentral distance, travel-time curves (program TTIME), azimuth; Wiechert-Herglotz method, Tau method; dispersion of surface waves Earthquake location Global, regional and local networks; earthquake position, origin time and depth; linearisation of the problem, Geiger's method, program HYPO, Master event method, grid search Wave dynamics Earthquake intensity; magnitude; scalar seismic moment; corner frequency Seismic source Focal mechanism (first motion polarities, amplitude spectra and polarities - program ASPO); Apparent source time function; empirical Green's funtions Data centers and Internet National Earthquake Information Center; International Seismological Center; Observatories and Research Facilities for European Seismology; Swiss Seismological Service Literature:
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