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Flawless diamond se...
Flawless diamond separation in simultaneous source acquisition byseismic apparition
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- Andersson, Fredrik (author)
- Lunds universitet
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- Robertsson, Johan (author)
- Institute of Geophysics, ETH-Zurich.
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- van Manen, Dirk-Jan (author)
- Institute of Geophysics, ETH-Zurich.
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- Wittsten, Jens (author)
- Lunds universitet
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- Eggenberger, Kurt (author)
- Seismic Apparition GmbH, Zurich
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- Amundsen, Lasse (author)
- Norwegian University of Science and Technology
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Lunds universitet Institute of Geophysics, ETH-Zurich (creator_code:org_t)
- 2017-03-23
- 2017
- English.
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In: Geophysical Journal International. - : Oxford University Press (OUP). - 0956-540X .- 1365-246X. ; 209:3, s. 1793-1739
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https://academic.oup...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- In this paper we prove that the recently introduced method of signal apparition optimally separates signals from interfering sources recorded during simultaneous source seismic data acquisition. By utilizing a periodic sequence of source signatures along one source line, that wavefield becomes separately partially visible in the spectral domain where it can be isolated from interfering signals, processed, and subtracted from the original recordings, thereby separating the wavefields from each other. Whereas other methods for simultaneous source separation can recover data in a triangle-shaped region in the spectral domain, signal apparition allows for the exact separation of data in a diamond-shaped region that is twice as large thereby enabling superior reconstruction of separated wavefields throughout the entire data bandwidth.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geofysik (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geophysics (hsv//eng)
Keyword
- Fourier analysis
- Inverse theory
- Numerical solutions
- Controlled source seismology
Publication and Content Type
- ref (subject category)
- art (subject category)
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