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Reworked introduction with feedback
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@ -32,10 +32,24 @@
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\begin{document}
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\frame{\titlepage}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\section{Timing Mechanisms in Detectors}
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\begin{frame}{Timing Mechanisms}
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\begin{block}{Timing Mechanisms}
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\begin{block}{Why improve timing accuracy?}
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\begin{itemize}
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\item Better statistics (narrow down direction of air showers)
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\item Interferometry
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\end{itemize}
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\end{block}
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\begin{block}{Strategy}
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\begin{itemize}
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\item Simulations for synchronisation techniques
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\item Characterising current methods
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\end{itemize}
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\end{block}
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\end{frame}
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\begin{frame}{Characterising current methods}
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\begin{block}{Current Timing Methods}
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\begin{itemize}
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\item GNSS (online)
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\item Beacon (offline)
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\end{block}
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\vspace{2em}
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\begin{itemize}
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\item GPS Accuracy $\leq 30 \mathrm{ns}$ for $95$\% time (often better)
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\item Total time accuracy in the order of 5 -- 10~ns
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\item More accurate reference timing needed to characterise/improve current mechanisms.
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\end{itemize}
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\end{frame}
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%%%%%%%%%%%%%
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\subsection{GNSS}
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\begin{frame}{Timing Mechanisms: GNSS}
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\begin{block}{}
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\begin{itemize}
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\item Accuracy $\sim 5 ns$
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\end{itemize}
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\end{block}
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\end{frame}
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%%%%%%%%%%%%%
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\item Beating between frequency signals indicate timing
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\item PA: located in physics band $\mapsto$ offline analysis, \\
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corrects for GPS drift.
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\item different frequency responses for antenna models
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\item different frequency responses for antenna models and directions
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\end{itemize}
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\begin{columns}
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\begin{column}{.5\textwidth}
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\hspace{-2em}
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u(t) = \exp(i2\pi ft + \phi_t) \xrightarrow{\mathrm{Fourier\; Transform}} f', \phi_f
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\end{equation*}
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\begin{block}{Discrete}
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\begin{block}{Discrete Fourier Transform}
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\begin{equation*}
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N_\mathrm{required} := f_\mathrm{sample\_rate} / f_\mathrm{signal}
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\end{equation*}
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