SubjectsSubjects(version: 945)
Course, academic year 2023/2024
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Seismic data processing - MG452P60
Title: Zpracování seismických signálů
Czech title: Zpracování seismických signálů
Guaranteed by: Institute of Hydrogeology, Engineering Geology and Applied Geophysics (31-450)
Faculty: Faculty of Science
Actual: from 2022
Semester: winter
E-Credits: 4
Examination process: winter s.:combined
Hours per week, examination: winter s.:2/1, C+Ex [HT]
Capacity: unlimited
Min. number of students: unlimited
4EU+: no
Virtual mobility / capacity: no
State of the course: taught
Language: Czech
Level: specialized
Explanation: Pro studenty se zájmem o seismický průzkum. Nutné základy seismického průzkumu, základů zpracování dat. Pro PhD může běžet i pro 1 studenta
Additional information: http://dl2.cuni.cz/course/view.php?id=1140
Note: enabled for web enrollment
Guarantor: doc. RNDr. Jan Vilhelm, CSc.
Teacher(s): doc. RNDr. Jan Vilhelm, CSc.
Annotation -
Last update: doc. RNDr. Jan Vilhelm, CSc. (31.03.2023)
Processing of seismic signals

Literature - Czech
Last update: doc. RNDr. Jan Vilhelm, CSc. (31.03.2023)
  • Mussett A.E., Khan M.A., 2000, Looking into the Earth, Cambridge Univ. Press, 470 stran.
  • Sheriff R.E., Geldart L.P., 1995, Cambridge Univ. Press, 592 stran.
  • Udías A., 2000, Principles of Seismology, Cambridge Univ. Press, 475 stran.
  • Yilmaz, Ö. (1987). Seismic data processing. SEG Tulsa, OK, 826 stran.
  • Hrách, S., Skopec, J. (1980). Seismický průzkum II. Státní pedagogické nakladatelství, Praha, 234 stran.
Syllabus -
Last update: doc. RNDr. Jan Vilhelm, CSc. (31.03.2023)

Processing of seismic signals

1. Basics of seismic signal processing. Seismic signal. Fourier transform and its properties, convolution and correlation. Frequency spectrum properties.

2. Frequency analysis of time-varying signal. Short Fourier transform, Wavelet transform.

3. Analysis of complex seismic trace.

4. Polarization analysis.

5. Filtering of seismic signals, filters. Single-channel filtering: Filtering of signal of known shape, correlation filters, the correlation in the Vibroseis method.

6. Single channel filtering - continued: inverse filters, optimal Wiener filters, deconvolution.

7. Multichannel filtering, two-dimensional Fourier transform, two-dimensional spectrum of a multi-channel seismic recording, two-dimensional discrete Fourier transform, the apparent velocity in two-dimensional spectrum, two-dimensional correlation.

8. Optimal multi-channel filtering, summation of plane waves, the use of "semblance".

9.  Seismic migration. Ray migration, migration by diffraction summation, wave-form migration.

10. Seismic tomography.

11. Surface waves and their use in shallow seismic survey. The velocity dispersion and the dispersion curve - basic examples.

12. Resolution and applicability of seismic methods.

 
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