Download presentation
Presentation is loading. Please wait.
1
Theory of acoustic daylight imaging revisited
Kees Wapenaar Deyan Draganov Jan Thorbecke Jacob Fokkema Centre for Technical Geoscience Delft University of Technology
2
Claerbout, 1968 :
3
Reflection response Transmission response
4
Claerbout’s conjecture:
‘‘By crosscorrelating noise traces recorded at two locations on the surface, we can construct the wave field that would be recorded at one of the locations if there was a source at the other’’
5
Reciprocity for one-way wave fields
7
Acoustic daylight imaging
1-Dimensional : 3-Dimensional :
8
Syncline model
9
Reflection response Transmission response
10
Syncline model
11
Transmission response (fixed , variable )
12
(variable )
13
Syncline model
14
(variable )
16
Causal part of
17
Directly modeled reflection response
18
Claerbout’s conjecture
19
Claerbout’s conjecture
Assume uncorrelated noise sources:
20
Claerbout’s conjecture
21
Seismic interferometry (Schuster)
+ ‘ other stuff ’
22
Seismic interferometry (Schuster)
23
Summary Acoustic daylight imaging
24
Summary Acoustic daylight imaging (uncorrelated sources)
Interferometric imaging
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.