\begin{table}%t1
\caption{\label{sigmaj}Precomputed values of the variances $\sigma_j$ of the wavelet \mbox{coefficients}.}
\par
%%\centering

\par
\begin{tabular}{cc}
\hline \hline \noalign{\smallskip}
Wavelet scale $j$ & Value of $\sigma_j$ \\
\hline
  1 & 0.484704 \\
  2 & 0.0552595 \\
  3 & 0.0236458 \\
  4 & 0.0114056 \\
  5 & 0.00567026 \\
\hline
\end{tabular}
\end{table}