Utilization of harmonics for correlogram and stack spectrum broadening in vibroseis
https://doi.org/10.18303/2619-1563-2025-2-4
Abstract
The previously introduced algorithm of optimization recursive filtering allows separation of the signal and the harmonics in non-explosive seismic data. This opens up the possibility of separately constructing correlograms or stacks based on the main sweep signal and its harmonics of different orders. It turned out that summation of results in overlapping frequency ranges not only does not make sense, but can also lead to the appearance of specific artifacts. Correlograms and sections are constructed in non-overlapping frequency ranges with their subsequent stitching using the analytical spectrum extrapolation technique.
About the Authors
M. S. Denisov
GEOLAB Ltd
Russian Federation
Russian Federation
Mikhail S. Denisov
Ordzhonikidze Str., 12/4, Moscow, 119071
A. A. Zykov
GEOLAB Ltd
Russian Federation
Russian Federation
Andrey A. Zykov
Ordzhonikidze Str., 12/4, Moscow, 119071
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Review
For citations:
Denisov M.S., Zykov A.A. Utilization of harmonics for correlogram and stack spectrum broadening in vibroseis. Russian Journal of Geophysical Technologies. 2025;(2):4-25. (In Russ.) https://doi.org/10.18303/2619-1563-2025-2-4
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