Open Access

Table 1

Experimental error statistics for wave velocity measurements.

Mode Frequency at maximum error(MHz) Theoretical velocity (m/s) Experimental velocity (m/s) Error
Al surface wave 1.8 2781.4 2853.4 2.5%
Steel surface wave 3.0 2846.4 2890.3 1.5%
Interface wave 2.9 3029.8 2949.7 2.6%

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