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\section{Objectives (Most relevant Array Performance Parameters)}  This section aims to include all the array performance objective that might be influenced by design choices.  \subsection{Minimize Brightness Sensitivity Limit}  Let $\eta_s$ be the system efficiency.  If we assume a each aperture has the same  system temperature $T_{sys}$, are observing the same bandwidth $\Delta\nu$, during  the samefor each aperture, and a  correlator accumulation time $\tau_{acc}$,and let $\eta_s$ be the system efficiency,  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{T_{sys}}{K\sqrt{2 \Delta \nu \tau_{acc}}}}   \end{equation}  in units of Janskys per synthesized beam area. Minimizing this limit  would mean require  minimizing T_{sys} $T_{sys}$, maximizing $\eta_s$,  \subsection{Maximize (u,v) Coverage}  \subsection{Minimize Operations Costs}  \subsubsection{Minimize Maintenance Costs} 
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