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Earth, Planets and Space
Fig. 7 | Earth, Planets and Space

Fig. 7

From: Feasibility study on calculating the Q value of shallow media by using a dense seismic array and a large-volume airgun source

Fig. 7

The function \(\mathrm{ln}[A\left(f|r,t\right)/K\left(r,a\right)]\) versus lapse time \(t\) of the selected coda windows at three stations. Coda waves are shown in red in the upper graph, and the lower graphs illustrate the relationship that the function \(\mathrm{ln}[A\left(f|r,t\right)/K\left(r,a\right)]\) versus lapse time \(t\) along with least-squares fits of selected signal windows

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