Aperiodic wavefield signal apparition : De-aliased simultaneous source separation
(2016) Meeting 2016 - Society of Exploration Geophysicists 35. p.102-106- Abstract
In wavefield signal apparition, acquisition with periodic variations in source activation parameters shifts all or part of a signal cone out to, e.g., the Nyquist wavenumber, enabling perfect separation of simultaneous-source (sim-source) data below a certain temporal frequency. Cyclic convolution in the spatial frequency domain is used to generalise the signal apparition concept to the case of aperiodic variations in the source activation parameters. The separation is formulated as a leastsquares reconstruction in the frequency-wavenumber (f k) domain. The methodology is used in combination with normal moveout correction to de-alias the sim-source separation and enables shooting on position in sim-source acquisition.
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/448f666b-290d-4acf-8b20-d775b789d61d
- author
- van Manen, Dirk Jan ; Robertsson, Johan O.A. ; Eggenberger, Kurt ; Andersson, Fredrik LU and Amundsen, Lasse
- organization
- publishing date
- 2016
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- host publication
- SEG Technical Program Expanded Abstracts 2016
- volume
- 35
- pages
- 5 pages
- publisher
- Society of Exploration Geophysicists
- conference name
- Meeting 2016 - Society of Exploration Geophysicists
- conference location
- Dallas, United States
- conference dates
- 2016-10-16 - 2016-10-21
- external identifiers
-
- scopus:85019131660
- DOI
- 10.1190/segam2016-13943410.1
- language
- English
- LU publication?
- yes
- id
- 448f666b-290d-4acf-8b20-d775b789d61d
- date added to LUP
- 2017-06-01 15:32:56
- date last changed
- 2022-04-09 08:53:24
@inproceedings{448f666b-290d-4acf-8b20-d775b789d61d, abstract = {{<p>In wavefield signal apparition, acquisition with periodic variations in source activation parameters shifts all or part of a signal cone out to, e.g., the Nyquist wavenumber, enabling perfect separation of simultaneous-source (sim-source) data below a certain temporal frequency. Cyclic convolution in the spatial frequency domain is used to generalise the signal apparition concept to the case of aperiodic variations in the source activation parameters. The separation is formulated as a leastsquares reconstruction in the frequency-wavenumber (f k) domain. The methodology is used in combination with normal moveout correction to de-alias the sim-source separation and enables shooting on position in sim-source acquisition.</p>}}, author = {{van Manen, Dirk Jan and Robertsson, Johan O.A. and Eggenberger, Kurt and Andersson, Fredrik and Amundsen, Lasse}}, booktitle = {{SEG Technical Program Expanded Abstracts 2016}}, language = {{eng}}, pages = {{102--106}}, publisher = {{Society of Exploration Geophysicists}}, title = {{Aperiodic wavefield signal apparition : De-aliased simultaneous source separation}}, url = {{http://dx.doi.org/10.1190/segam2016-13943410.1}}, doi = {{10.1190/segam2016-13943410.1}}, volume = {{35}}, year = {{2016}}, }