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Fig. 3 | Earth, Planets and Space

Fig. 3

From: Estimation of phase velocity using array observation of microtremors with arbitrary shape

Fig. 3

Histogram of \(\xi _1\) for various values of total number of microtremor sources, L. The histograms are converted to the standard Gaussian distribution using the analytical values of expectations and variances obtained through Eq. (13). The histograms agree with the standard Gaussian distribution drawn by the thick gray line. Notations \(X_1\) and f(x) mean \(\xi _1\) and the standard Gaussian function, respectively

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