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Demian Arancibia edited untitled.tex
almost 9 years ago
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\Delta I_m = {\frac{1}{\eta_s }}{\frac{SEFD}{\sqrt{2 \Delta \nu \tau_{acc}}}}
\end{equation}
in units of Janskys per synthesized beam area.
with $\eta_s$ most important factor being correlator efficiency $\eta_c = \frac{\text{correlator sensitivity}}{\text{sesitivity of a perfect analog correlator having the same }\Delta t}$ (see
\citet{sensitivity}). \citet*{sensitivity}).
\subsubsection{Minimize SEFD}
\begin{equation}\label{eq:system_equivalent_flux_density}
SEFD = {\frac{T_{sys}}{\frac{\eta_a A}{2k_B}}}
\end{equation}
where $T_{sys}$ is the system temperature including contributions from receiver noise, feed losses, spillover, atmospheric emission, galactic background and cosmic background, $k_B = 1.380 \times 10^{-23}$ Joule $K^{-1}$ is the Boltzmann constant, $A$ is the antenna collecting area, and $\eta_a$ is the antenna efficiency with $\eta_a = \eta_{surface} \cdot \eta_{blockage} \cdot \eta_{spillover} \cdot \eta_{taper}$ (see
\citet{sensitivity}). \citet*{sensitivity}).
\subsection{Minimize Operations Costs}
The operations cost is a complex problem divided in the sub-problems in this section.
\subsubsection{Minimize Maintenance Costs}
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