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\subsection{Aperture Diameter}  \subsection{Quantity and Position of Re-configurable Apertures}  \subsection{Quantity and Position of fixed Apertures}  \section{Key Performance Parameters \section{Objective  and Tolerance} Tolerance (Key Performance Parameters)}  This section aim to include all the array performance parameters influenced by aperture configuration.  \subsection{Maximize Brightness Sensitivity}  \subsection{Maximize (u,v) Coverage}