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- Roel Snieder
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2004

The Green's function of waves that propagate between two receivers can be found by cross-correlating multiply scattered waves recorded at these receivers. This technique obviates the need for aâ€¦ (More)

- Roel Snieder
- 2006

Coda waves are sensitive to changes in the subsurface because the strong scattering that generates these waves causes them to repeatedly sample a limited region of space. Coda wave interferometry isâ€¦ (More)

- Roel Snieder, Erdal Safak
- 2006

The motion of a building depends on the excitation, the coupling of the building to the ground, and the mechanical properties of the building. We separate the building response from the excitationâ€¦ (More)

The motion of a building depends on the excitation, the coupling of the building to the ground, and the mechanical properties of the building. We separate the building response from the excitationâ€¦ (More)

- Roel Snieder, Alexandre A. GrÃªt, H. Douma, John A. Scales
- Science
- 2002

In coda wave interferometry, one records multiply scattered waves at a limited number of receivers to infer changes in the medium over time. With this technique, we have determined the nonlinearâ€¦ (More)

- Alexander GrÃªt, Roel Snieder, Richard C. Aster, Philip R. Kyle
- 2005

[1] Multiplyâ€“scattered waves typically dominate the late part of the seismic coda in local earthquake seismograms. Small medium changes that have no detectable influence on the first arrivals areâ€¦ (More)

S U M M A R Y We present a new method of surface wave tomography based on applying the eikonal equation to observed phase traveltime surfaces computed from seismic ambient noise. The sourceâ€“ receiverâ€¦ (More)

- Roel Snieder
- 1998

In many practical inverse problems, one aims to retrieve a model that has infinitely many degrees of freedom from a finite amount of data. It follows from a simple variable count that this cannot beâ€¦ (More)

- Jesper Spetzler, Jeannot Trampert, Roel Snieder
- 2002

S U M M A R Y We present a new technique in surface wave tomography that takes the finite frequency of surface waves into account using first-order scattering theory in a SNREI Earth. Physically,â€¦ (More)

Inverse scattering, Greenâ€™s function reconstruction, focusing, imaging and the optical theorem are subjects usually studied as separate problems in different research areas. We show a physicalâ€¦ (More)