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Earth, Planets and Space
Fig. 12 | Earth, Planets and Space

Fig. 12

From: “N”-shaped Y/X coda spectral ratio observed for in-line-type OBS networks; S-net and ETMC: interpretation based on natural vibration of pressure vessel

Fig. 12

Theoretical Y/X amplitude spectral ratios calculated using a natural vibration model. Natural frequencies of the X and Y components were set to 18 and 7 Hz, respectively, and the damping constant was set to 0.05 for both components. Different colors represent results for different c/r values. The dotted black curve represents the Y/X amplitude spectral ratio observed at station N.S6N14

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