85 citations · 371 across the 10 of their papers we have counts for
11 papers
A scalar radiative transfer model including the coupling between surface and body waves
Ludovic Margerin, Andres Bajaras, Michel Campillo
To describe the energy transport in the seismic coda, we introduce a system of radiative transfer equations for coupled surface and body waves in a scalar approximation. Our model…
Multimethod characterization of the French Pyrenean valley of Bagnères-de-Bigorre for seismic hazard evaluation: observations and models
Annie Souriau, Emmanuel Chaljub, Cécile Cornou +9
A narrow rectilinear valley in the French Pyrenees, affected in the past by damaging earthquakes, has been chosen as a test site for soil response characterization. The main purpos…
Generalized optical theorems for the reconstruction of Green's function of an inhomogeneous elastic medium
Ludovic Margerin, Haruo Sato
This paper investigates the reconstruction of elastic Green's function from the cross-correlation of waves excited by random noise in the context of scattering theory. Using a gene…
Locating a weak change using diffuse waves (LOCADIFF) : theoretical approach and inversion procedure
Vincent Rossetto, Ludovic Margerin, Thomas Planès +1
We describe a time-resolved monitoring technique for heterogeneous media. Our approach is based on the spatial variations of the cross-coherence of coda waveforms acquired at fixed…
Nonparametric estimation of the heterogeneity of a random medium using Compound Poisson Process modeling of wave multiple scattering
Nicolas Le Bihan, Ludovic Margerin
In this paper, we present a nonparametric method to estimate the heterogeneity of a random medium from the angular distribution of intensity transmitted through a slab of random ma…
Phase statistics of seismic coda waves
D. Anache-Ménier, L. Margerin, B. A. van Tiggelen
We report the analysis of the statistics of the phase fluctuations in the coda of earthquakes recorded during a temporary experiment deployed at Pinyon Flats Observatory, Californi…