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\usepackage{mathtools}  \section{Overview}  This document presents parametric model for interferometry array design. to help design an aperture synthesis array.  It relates describes the relationship of  design parameters in section 2 to with  performance objectives in section 3. In particular, this document focusis  in providing a quick guide of what is considered in the parametric model for the user reader  to either help improving current equations algebra,  or think about how request  to include consider  aspectsthat are not  currently being considered. not included.  Section 4 provides the python code used to generate a table in the format required to perform a visual analysis of the performance of different arrays generated by the model.  \section{Design Variables}  This section aims to include all relevant design parameters that might influence the selected performance objectives. 
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