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Progress in Earth and Planetary Science
Fig. 2 | Progress in Earth and Planetary Science

Fig. 2

From: Ambient noise multimode surface wave tomography

Fig. 2

Schematic figure for random sources in 2-dimension. a Source distribution in space. The red triangle shows the observed station. b Potential \(\psi ({{\textbf {r}}}_o,t)\) observed at the origin \({{\textbf {r}}}\) at time t. The wave packet at time \(t_0\) is traveled from the source within the concentric circle with radius r shown in (a)

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