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Table 1.

Correlation coefficients and RMS of the inversions using the synthetic travel times.

GdG-type target function
Cross-talk minimised
υx υy υz δcs

1. 0.97 0.97 0.87 0.90
2. 0.90 0.90 0.57 0.13
3. 0.81 0.79 0.45 1.20
4. 0.86 0.85 0.44 1.50
5. [m s−1] 55.11 41.63 21.61 31.18
6. RMS(cross​−​talk) [m s−1] 0.51 0.52 0.73 3.82
7. RMS(noise) [m s−1] 18.33 17.14 3.15 13.78

Cross-talk ignored

8. 0.99 0.99 0.94 0.91
9. 0.93 0.94 0.36 0.42
10. 0.92 0.93 0.47 1.25
11. 0.96 0.96 0.49 1.88
12. [m s−1] 62.76 48.86 22.13 31.39
13. RMS(cross​−​talk) [m s−1] 2.55 2.30 8.92 16.19
14. RMS(noise) [m s−1] 18.01 15.98 5.25 13.17

Notes. In the first two rows and the eighth and ninth rows there are the correlation coefficients of and the whole inversion with the ideal answer. In third, fourth, tenth and eleventh rows there are comparisons of the RMS value. In the fifth to seventh and twelfth to fourteenth rows there are RMS values of the individual components of the inversions.

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