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Progress in Earth and Planetary Science
Fig. 6 | Progress in Earth and Planetary Science

Fig. 6

From: Complex inner core boundary from frequency characteristics of the reflection coefficients of PKiKP waves observed by Hi-net

Fig. 6

P wave reflection coefficients at the ICB. P wave reflection coefficients at the ICB as a function of frequency, estimated from PKiKP/PcP spectral ratios (red circles) and noise/PcP (black circles). Thin lines show the upper and lower bounds of standard errors. Thick lines are theoretical values of reflection coefficients calculated using ak135 (Kennett et al., 1995). Encircled numbers are “result numbers,” arranged by ascending incidence angle

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