\begin{table}%t2
\caption{\label{tab : assumptions}Simulation assumptions for each section.}
%\centerline
 $$  \begin{tabular}{ccccccccccc}
\hline  \hline
\backslashbox{Parameter}{Section} & \ref{sec : DM} & \ref{subsec : gamma} & \ref{subsec : opd} & \ref{sec : amplitude}&\ref{subsec : factor} & \ref{subsec : chromlimit}& \ref{para : ref_flux_fqpm}& \ref{para : sccfqpm_chrom} & \ref{para : sccfqpm_detect}\\
\hline
SCC & no & yes & yes& yes& yes& yes& yes& yes& yes\\
\hline
$\gamma$ &   & $20$ & $1000$& $1000$& $1000$& $1000$& $10$ and~$20$ & $20$&$25$\\
%\hline
$R_\lambda$ & $\infty$ &$\infty$&$\infty$&$\infty$ & $40$ & $16$ to $\infty$ & $\infty$ & $16$ to $\infty$ & $150$\\
%\hline
$N_{{\rm act}}$ & $16$, $32$, $64$  &$32$&$32$&$64$&$64$ & $16$, $32$, $64$ & $32$ & $32$ &$64$\\
%\hline
coronagraph & perfect& perfect& perfect& perfect& perfect& perfect &FQPM&FQPM&FQPM\\
%\hline
$\sigma(\phi)$~rms~(nm) &  $20$& $20$& $20$& $20$& $20$& $20$ & $20$ and~$40$& $20$& $20$\\
   %   \hline
       &  & & & $0$ to $1$  & & & & & $1$\\
\multirow{-2}{*}{$\sigma(a)$~rms~($\%$)} &\multirow{-2}{*}{$0$}&\multirow{-2}{*}{$0$}&\multirow{-2}{*}{$0$}& ($f^{-3}$ PSD) &\multirow{-2}{*}{$0$}&\multirow{-2}{*}{$0$}&\multirow{-2}{*}{$0$}&\multirow{-2}{*}{$0$}&(flat PSD)\\
  %    \hline
      Photon noise & no &no&no&no&no&no &no & no & yes\\
      \hline
    \end{tabular}
$$
\medskip
Notations are defined in Table~\ref{tab : notations}. Details as photon number are given in the text.
  \end{table}