Passive retrieval of Rayleigh waves in disordered elastic media

被引：47

作者：

Larose, E ^{[1
]}

Derode, A

Clorennec, D

Margerin, L

Campillo, M

机构：

[1] Univ Grenoble 1, Lab Geophys Interne & Tectonphys, CNRS, UMR 5559, Grenoble, France

[2] Univ Paris 07, CNRS, ESPCI, UMR 7587,LOA, Paris, France

来源：

PHYSICAL REVIEW E | 2005年 / 72卷 / 04期

关键词：

D O I：

10.1103/PhysRevE.72.046607

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

When averaged over sources or disorder, cross correlation of diffuse fields yields the Green's function between two passive sensors. This technique is applied to elastic ultrasonic waves in an open scattering slab mimicking seismic waves in the Earth's crust. It appears that the Rayleigh wave reconstruction depends on the scattering properties of the elastic slab. Special attention is paid to the specific role of bulk to Rayleigh wave coupling, which may result in unexpected phenomena, such as a persistent time asymmetry in the diffuse regime.

引用

页数：8

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