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Full Waveform Inversion with Multisource Frequency Selection

By Yunsong Huang

Full Waveform Inversion with Multisource Frequency Selection Business & Technology

Full Waveform Inversion with Multisource Frequency Selection

0 - Default Title
Description
Multisource Full Waveform Inversion (FWI) of phase-encoded supergathers has shown great promise in reducing the computational cost of conventional FWI. But for land- or marine-streamer acquisition geometry this approach faces the challenge of erroneous misfit due to the mismatch between the limited number of live traces/shot recorded in the field and the pervasive number of traces generated by the finite-difference modeling method. To tackle this mismatch problem, a key enabling frequency selection strategy is described: At each FWI iteration, we assign a unique frequency band to each shot gather, so that the spectral overlap among those shots-and therefore their crosstallk-is zero. Consequently, each receiver can unambiguously identify and then discount the superfluous sources-those that are not associated with the receiver in the streamer acquisition. This strategy allows significant speedup of FWI.
Product details
Binding:
Paperback
Number of Pages:
116
Release Date:
2017-04-13
Publication Date:
2017-04-13
Publisher:
LAP LAMBERT Academic Publishing
Languages:
Original: English
ISBN10:
3330073098
ISBN13:
9783330073098
GPSR Manufacturer Reference:
[email protected]
Weight:
191 g
Height:
150 cm
Width:
220 cm
Thickness:
8 cm
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