The parameter (s) which maximizes the cross-correlation function (Ry1y22ðsÞ) provides an estimation of time delay. In Eq. (6) it is found that a constant wave velocity in plate must be known in
The parameter (s) which maximizes the cross-correlation function(Ry1y22ðsÞ) provides an estimation of time delay. In Eq. (6) it isfound that a constant wave velocity in plate must be known in