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\section{Performance Objectives}  This section aims to include all the array performance objective that might be influenced by design choices.  \subsection{Minimize Brightness Sensitivity Limit}  If we assume each aperture has the same System Equivalent Flux Density $SEFD$, are observing observes  the same bandwidth $\Delta\nu$, during the same correlator accumulation time $\tau_{acc}$, then the weak-source limit in the sensitivity of a synthesis image of a single polarization is \begin{equation}\label{eq:sens}  \Delta I_m = {\frac{1}{\eta_s }}{\frac{SEFD}{\sqrt{2 \Delta \nu \tau_{acc}}}}   \end{equation} 
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