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Copy old STEP-UP slides
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presentations/2023-06-01_step_up_interview/2023-STEP_UP.tex
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377
presentations/2023-06-01_step_up_interview/2023-STEP_UP.tex
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\documentclass[showdate=false]{beamer}
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%%%%%%%%
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% Goal: show enthousiasm, knowledge and drive about the field
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\usepackage[british]{babel}
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\usepackage{amsmath}
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\usepackage{hyperref}
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\usepackage[backend=bibtex,style=trad-plain]{biblatex}
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\usepackage{appendixnumberbeamer}
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\usepackage{graphicx}
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\graphicspath{{.}{./figures/}{../../figures/}}
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\usepackage{todo}
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\addbibresource{../../../bibliotheca/bibliography.bib}
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% Disable Captions
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\setbeamertemplate{caption}{\raggedright\small\insertcaption\par}
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% no to navigation, yes to frame numbering
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\beamertemplatenavigationsymbolsempty
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\setbeamerfont{page number in head/foot}{size=\normalsize}
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\setbeamertemplate{footline}[frame number]
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\hypersetup{pdfpagemode=UseNone} % don't show bookmarks on initial view
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\title[HEP Student seminar]{
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{ \large HEP Student seminar }\\
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{
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Investigating interferometry with\\
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GRAND\footnote{Giant Radio Array for Neutrino Detection} and BEACON\footnote{Beam forming Elevated Array for COsmic Neutrinos}
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}
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}
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\date{May $10^{\text{\tiny{th}}}$, 2023}
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\author{
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E.T. de Boone
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\\
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\vspace{2em}
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Advisor: Olivier Martineau, LPNHE\\
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\quad\quad\quad\quad\quad Harm Schoorlemmer, IMAPP
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}
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\begin{document}
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{
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\setbeamertemplate{footline}{} % no page number here
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\section{Talk}
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\frame{ \titlepage }
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}
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\begin{frame}{My studies}
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Studies @Radboud University, Nijmegen
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\begin{itemize}
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\item Bachelor from 2012 to 2020 \\
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\quad {\small Minor: Astrophysics}
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\item Master from 2020 to 2023 (expected) \\
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\quad {\small Specialisation: Particle and Astrophysics}\\
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\quad {\small Minor: Computational Data Science}
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\item Master's Internship (November 2021 - May 2023) \\
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\quad {\small Supervisor: Harm Schoorlemmer, IMAPP, Radboud University}\\
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\quad {\small ``Enhancing Timing Accuracy in Air Shower Radio Detectors''}
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\end{itemize}
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\vspace*{2em}
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Interests:
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\begin{itemize}
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\item Hardware experimenting
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\item Ultra High Energy particles
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\item Radio detection
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\end{itemize}
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\end{frame}
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% Context
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%%%%%%%%%
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\begin{frame}{Ultra High Energy particles}
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\begin{figure}
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\includegraphics[width=\textwidth]{grand/astroparticletypes_grand.jpg}
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% \caption{
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% From: \cite{GRAND:2018ia}
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% }
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\end{figure}
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\end{frame}
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\begin{frame}{Radio signals and Airshowers}
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\begin{figure}
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\includegraphics[width=\textwidth]{grand/GRAND-detection-principle-1.png}
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% \caption{
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% From: \cite{GRAND:2018ia}
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% }
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\end{figure}
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\end{frame}
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\begin{frame}{Advantages of Radio Interferometry}
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\begin{columns}
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\begin{column}{0.5\textwidth}
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\begin{itemize}
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\item<1-> Shower axis reconstruction%\; Relevant for $\nu$s pointing back to sources
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\vspace*{2em}
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\item<2-> Depth of airshower\\
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$\mapsto$ composition measurement (Fe, p, $\gamma$, $\nu$)
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\end{itemize}
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\end{column}
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\begin{column}{0.5\textwidth}
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\begin{figure}
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\includegraphics<1,2>[width=\textwidth]{2006.10348/fig01.png}
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\includegraphics<3>[width=\textwidth]{2006.10348/fig03_b.png}
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%\includegraphics<2>[width=\textwidth]{1607.08781/fig02b_longitudinal_shower_profile.png}
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% \caption{
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% From: \cite{Schoorlemmer:2020low}
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% }
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\end{figure}
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\end{column}
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\end{columns}
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\end{frame}
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% Radio Interferometry
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%%%%%%%%%%%%%%%%%%%%%%
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\section{Radio Interferometry Concept}
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\begin{frame}{Radio Interferometry: Concept}
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\begin{columns}
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\begin{column}{0.4\textwidth}
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\begin{figure}
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\includegraphics[width=\textwidth]{radio_interferometry/Schematic_RIT_extracted.png}
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\end{figure}
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\end{column}
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\begin{column}{0.6\textwidth}
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\vspace*{\fill}
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\begin{itemize}
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\item<1-> Measure signal $S_i(t)$ at antenna $\vec{a_i}$
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\item<2-> Calculate light travel time \\[5pt]
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$\Delta_i(\vec{x}) = \frac{ \left| \vec{x} - \vec{a_i} \right| }{c} n_{eff}$
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\item<2-> Sum waveforms accounting \\
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for time delay \\[5pt]
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$S(\vec{x}, t) = \sum S_i( t + \Delta_i(\vec{x}) )$
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\end{itemize}
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\vspace*{\fill}
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\begin{figure}% Spatially
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\includegraphics<1>[width=0.8\textwidth]{radio_interferometry/single_trace.png}%
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\includegraphics<2>[width=0.8\textwidth]{radio_interferometry/trace_overlap_bad.png}%
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\includegraphics<3>[width=0.8\textwidth]{radio_interferometry/trace_overlap_medium.png}%
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\includegraphics<4>[width=0.8\textwidth]{radio_interferometry/trace_overlap_best.png}%
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\end{figure}
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\end{column}
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\end{columns}
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\end{frame}
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% My Internship
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%%%%%%%%%%%%%%%
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\begin{frame}{Timing Constraint for Radio Interferometry}
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\vspace*{ -2em }
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Required time accuracy $< 1 \mathrm{ns}$ not provided by GNSS $ \gtrsim 5 \mathrm{ns}$.
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\vspace{ 2em }
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\begin{columns}
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\begin{column}{0.5\textwidth}
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\visible<2->{Additional synchronisation\\
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using physics band
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}
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\begin{itemize}
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\item<2-> Pulsed beacon
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\item<2-> Long period ($\sim 1 \mathrm{\mu s}$)% (AERA)
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\item<3-> Short period ($\lesssim 20 \mathrm{ns}$)
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\end{itemize}
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\end{column}
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\begin{column}{0.5\textwidth}
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\begin{figure}% Clock error fixes
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\includegraphics<1>[width=\textwidth]{radio_interferometry/trace_overlap/dc_grid_power_time_fixes.py.scale4d.best.trace_overlap.zoomed.repair_none.png}%
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\includegraphics<2>[width=\textwidth]{radio_interferometry/trace_overlap/dc_grid_power_time_fixes.py.scale4d.best.trace_overlap.zoomed.no_offset.png}%
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\includegraphics<3>[width=\textwidth]{radio_interferometry/trace_overlap/dc_grid_power_time_fixes.py.scale4d.best.trace_overlap.zoomed.repair_phases.png}%
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\includegraphics<4>[width=\textwidth]{radio_interferometry/trace_overlap/dc_grid_power_time_fixes.py.scale4d.best.trace_overlap.zoomed.repair_all.png}%
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\end{figure}
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\end{column}
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\end{columns}
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\end{frame}
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\begin{frame}{My Internship: Enhancing Timing Accuracy in Air Shower Radio Detectors}
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\vspace{1em}
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In-band mechanisms affect physics data \\
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How often should we `resynchronise'? \\
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\begin{itemize}
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\item GNSS clock stability
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\item dead-time
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\item disruptiveness
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\end{itemize}
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\vspace{1em}
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\vfill
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\begin{columns}
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\begin{column}{0.6\textwidth}
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\includegraphics<1>[width=\textwidth]{grand/split-cable/split-cable-delays-ch1ch4.pdf}
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\includegraphics<2>[width=\textwidth]{grand/split-cable/split-cable-delay-ch1ch2-50mhz-200mVpp.pdf}
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\end{column}
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\begin{column}{0.4\textwidth}
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\includegraphics[width=\textwidth]{beacon/time_res_vs_snr.pdf}
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\end{column}
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\end{columns}
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\end{frame}
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% Towards GRAND
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%%%%%%%%%%%%%%%%%%%%
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\begin{frame}{GRAND and Interferometry}
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\begin{columns}
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\begin{column}{0.6\textwidth}
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GRAND in heavy development\\
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relying on radio measurements
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\vspace{2em}
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Special interest in horizontal showers\\
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\vspace{2em}
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Neutrino's point back to source\\
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\visible<2->{
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\vspace*{\fill}
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\begin{center}
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\begin{minipage}{.6\textwidth}
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\hrule
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\centering
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\vspace{ 2em }
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\textit{Thank you!}
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\end{minipage}
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\end{center}
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%\vspace{ 4em }
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}
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\end{column}
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\begin{column}{0.4\textwidth}
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\begin{figure}
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\includegraphics<1>[width=\textwidth]{2006.10348/fig03_b.png}
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\includegraphics<2>[width=\textwidth]{2006.10348/fig01_a.png}
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% \caption{
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% From: \cite{Schoorlemmer:2020low}
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% }
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\end{figure}
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\end{column}
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\end{columns}
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\end{frame}
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%%%%%%%%%%%%%%%
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% Backup slides
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%%%%%%%%%%%%%%%
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\appendix
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\section{Supplemental material}
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\begin{frame}[c]
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\centering
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\Large {
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\textcolor{blue} {
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Supplemental material
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}
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}
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\end{frame}
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\begin{frame}{Airshower development}
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\begin{figure}
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\includegraphics[width=\textwidth]{1607.08781/fig02a_airshower+detectors.png}
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% \caption{
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% From \cite{Schroder:2016hrw}
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% }
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\end{figure}
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\end{frame}
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\subsection{Radio Emission}
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\begin{frame}{Polarised Radio Emission}
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\begin{columns}
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\begin{column}{0.2\textwidth}
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\centering
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Geosynchrotron
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\end{column}
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\begin{column}{0.7\textwidth}
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\includegraphics[width=\textwidth]{airshower/airshower_radio_polarisation_geomagnetic.png}%
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\end{column}
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\end{columns}
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\vfill
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\begin{columns}
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\begin{column}{0.2\textwidth}
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\centering
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Askaryan
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\end{column}
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\begin{column}{0.7\textwidth}
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\includegraphics[width=\textwidth]{airshower/airshower_radio_polarisation_askaryan.png}%
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\end{column}
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\end{columns}
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% \vfill
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% From: \cite{Huege:2017bqv}
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\end{frame}
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%%%%%%%%%
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\subsection{Single frequency beacon synchronisation}
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\begin{frame}{Short period beacon synchronisation}
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\begin{figure}
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\includegraphics<1>[width=\textwidth]{beacon/08_beacon_sync_timing_outline.pdf}%
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\includegraphics<2>[width=\textwidth]{beacon/08_beacon_sync_synchronised_outline.pdf}%
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\includegraphics<3>[width=\textwidth]{beacon/08_beacon_sync_synchronised_period_alignment.pdf}%
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\end{figure}
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\end{frame}
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\begin{frame}{Time resolving short period beacon}
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\begin{figure}
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\includegraphics<1>[width=\textwidth]{radio_interferometry/dc_grid_power_time_fixes.py.X400.repair_none.scale4d.pdf}
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\includegraphics<2>[width=\textwidth]{radio_interferometry/dc_grid_power_time_fixes.py.X400.repair_phases.scale4d.pdf}
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\includegraphics<3>[width=\textwidth]{radio_interferometry/dc_grid_power_time_fixes.py.X400.repair_all.scale4d.pdf}
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\includegraphics<4>[width=\textwidth]{radio_interferometry/dc_grid_power_time_fixes.py.X400.no_offset.scale4d.pdf}
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\end{figure}
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\end{frame}
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%%%%%%%%%%
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\subsection{GNSS clock stability}
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\begin{frame}{GNSS clock stability I}
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\begin{columns}
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\begin{column}{0.4\textwidth}
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\begin{figure}
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\centering
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\includegraphics[width=0.8\textwidth]{grand/setup/antenna-to-adc.pdf}
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\caption{
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GRAND Digitizer Unit's ADC to antennae
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}
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\end{figure}
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\end{column}
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\hfill
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\begin{column}{0.5\textwidth}
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\begin{figure}
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\includegraphics[width=\textwidth]{grand/setup/channel-delay-setup.pdf}%
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\caption{
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Channel filterchain delay experiment
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}
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\end{figure}
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\end{column}
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\end{columns}
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\end{frame}
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\begin{frame}{GNSS clock stability II}
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\begin{figure}
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\centering
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\includegraphics[width=0.7\textwidth]{grand/setup/grand-gps-setup.pdf}
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\caption{
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GNSS stability experiment
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}
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\end{figure}
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\end{frame}
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\subsubsection{In the field}
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\begin{frame}{GNSS clock stability II}
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\begin{columns}
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\begin{column}{0.5\textwidth}
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\includegraphics[width=\textwidth]{images/IMG_20220819_154801.jpg}
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\end{column}
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\begin{column}{0.5\textwidth}
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\includegraphics[width=\textwidth]{images/IMG_20220815_161244.jpg}
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\end{column}
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\end{columns}
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\end{frame}
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%%%%%%%%%%%%%%
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% Bibliography
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%%%%%%%%%%%%%%
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\section*{References}
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\begin{frame}{References}
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\printbibliography
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\end{frame}
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\end{document}
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presentations/2023-06-01_step_up_interview/Makefile
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presentations/2023-06-01_step_up_interview/Makefile
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# vim:ft=make
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-include config.mk
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.PHONY: all clean dist-clean
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### Variables
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MAIN_SRC ?= main.tex
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TEXENGINE ?= latexmk --pdf
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MAIN_TARGET = $(patsubst %.tex,%.pdf,$(MAIN_SRC))
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### Targets
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all: $(MAIN_TARGET)
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dist: all clean
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$(MAIN_TARGET): $(MAIN_SRC)
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$(TEXENGINE) $^
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dist-clean: clean
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@rm -vf *.pdf *.eps *.dvi *.ps
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clean:
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@rm -vf *.dat *.log *.out *.aux *.nav *.snm *.toc *.vrb *~ *.fls *.fdb_latexmk *-blx.bib *.bbl *.blg *.run.xml
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presentations/2023-06-01_step_up_interview/README.md
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presentations/2023-06-01_step_up_interview/README.md
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# Preparation for second round Interview for grant to do PhD in Paris
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length: 10minutes + 10minutes questions
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## Outline
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1. Airshowers / Ultra high energy / Radio Signal
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2. Radio Interferometry principle
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3. RI requires good timing -> work in internship
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mention, but put most in [backup slides]
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4. Direct Advantages of RI
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(follow airshower through the air)
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5. RI, CRs and Neutrinos
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(better direction reconstruction is interesting for Ns not for CR)
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presentations/2023-06-01_step_up_interview/config.mk
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1
presentations/2023-06-01_step_up_interview/config.mk
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MAIN_SRC=2023-STEP_UP.tex
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