Merge tag 'step-up-2' into HEAD

Second round of STEP-UP ED560 presentation

figures/airshower/shower_development_depth_iron_proton_photon.pdf.txt

@@ -0,0 +1,2 @@
+From Harm
+10^19 eV

figures/astroparticle/bk978-0-7503-2344-4ch1f2_hr.jpg.txt

@@ -0,0 +1,11 @@
+Figure 1.2 from 
+@incollection{Filipovi2021,
+  doi = {10.1088/2514-3433/ac2256ch1},
+  url = {https://doi.org/10.1088/2514-3433/ac2256ch1},
+  year = {2021},
+  month = dec,
+  publisher = {{IOP} Publishing},
+  author = {Miroslav D Filipovi{\'{c}} and Jeffrey L Payne and Nicholas F H Tothill},
+  title = {Multimessenger Astronomy in Practice: Celestial Sources in Action},
+  booktitle = {Multimessenger Astronomy in Practice}
+}

figures/beacon/08_beacon_sync_timing_outline.dat

@@ -0,0 +1,14 @@
+f_beacon = 70MHz
+samplerate = 500
+band = (30, 80)MHz
+timelength = 0.2us
+--------
+\Delta t = 113.99999999999999ns
+t_phi = 8.571428571428573ns
+\Delta A = -5.428571428571415ns
+kT = 100.0ns = 7.0T
+--------
+A_1 = -2.457142857142859ns
+A_2 = -7.885714285714274ns
+B_1 = 57.14285714285714ns = 4.0T
+B_2 = 157.14285714285714ns = 11.0T

figures/beacon/Makefile

@@ -37,11 +37,11 @@ antenna_setup: \
 	antenna_setup_two.pdf antenna_setup_two.png \
 	#
 
-antenna_setup_four.%: src/four_antenna_geometry.py
+antenna_setup_four.%: src/antenna_geometry.py
-	$< $@
+	$< $@ 4
 
-antenna_setup_three.%: src/four_antenna_geometry.py
+antenna_setup_three.%: src/antenna_geometry.py
-	$< --no-extra $@
+	$< --no-extra $@ 3
 
-antenna_setup_two.%: src/four_antenna_geometry.py
+antenna_setup_two.%: src/antenna_geometry.py
 	$< --no-extra $@ 2

figures/beacon/field/Makefile

@@ -69,7 +69,7 @@ field_three_center_time_nomax.%: src/beacon_field.py
 field_three_center_phase.%: src/beacon_field.py
 	$< --phase $@ three-center
 field_three_center_time_nomax.%: src/beacon_field.py
-	$< --time $@ three-center --no-max
+	$< --time $@ three-center --max-rms 0
 
 
 field_square: \

figures/clocks/src/reference-clock.py

@@ -101,7 +101,7 @@ def main(ref=(10,5), A=(40,10), B=(70,12) ):
     as compared to a reference timer tr (sr), with annotations.
     """
     
-    t = np.linspace(0, 100, 1e3)
+    t = np.linspace(0, 100, int(1e3))
 
     t_A, s_A = A
     t_B, s_B = B

figures/grand/astroparticletypes_grand.jpg

@@ -0,0 +1 @@
+../astroparticle/astroparticletypes_grand.jpg

presentations/2023-06-01_step_up_interview/2023-STEP_UP.tex

@@ -1,4 +1,5 @@
-\documentclass[showdate=false]{beamer}
+%\documentclass[notes]{beamer}
+\documentclass[]{beamer}
 
 
 %%%%%%%%
@@ -10,18 +11,34 @@
 \usepackage[backend=bibtex,style=trad-plain]{biblatex}
 \usepackage{appendixnumberbeamer}
 \usepackage{graphicx}
+\usepackage{tikz}
+\usepackage{xurl}
 \graphicspath{{.}{./figures/}{../../figures/}}
 \usepackage{todo}
 
 \addbibresource{../../../bibliotheca/bibliography.bib}
 
+% Use arXiv identifier if available
+\DeclareCiteCommand{\arxivcite}
+  {\usebibmacro{prenote}}
+  {\usebibmacro{citeindex}%
+   \usebibmacro{cite}
+   \newunit
+   \usebibmacro{eprint}}
+  {\multicitedelim}
+  {\usebibmacro{postnote}}
+
+\newcommand{\imagesource}[1]{~\\[0pt]\vspace*{-7pt}\hspace*{10pt}{\tiny#1}}
+\newcommand{\imagecredit}[1]{\imagesource{Credit:\thinspace#1}}
+\newcommand{\imagecite}[1]{\imagesource{\arxivcite{#1}}}
+
 % Disable Captions
 \setbeamertemplate{caption}{\raggedright\small\insertcaption\par}
 
 % no to navigation, yes to frame numbering
 \beamertemplatenavigationsymbolsempty
 \setbeamerfont{page number in head/foot}{size=\normalsize}
-\setbeamertemplate{page number in head/foot}{\insertframenumber/\insertmainframenumber}
+\setbeamertemplate{page number in head/foot}{\insertframenumber/\inserttotalframenumber}
 %\setbeamercolor{page number in head/foot}{fg=red}
 \setbeamerfont{section in head/foot}{size=\small}
 \setbeamercolor{section in head/foot}{fg=gray}
@@ -31,123 +48,359 @@
 {%
 \leavevmode%
   \hbox{%
-  \begin{beamercolorbox}[wd=.5\paperwidth,ht=2.25ex,dp=1ex,leftskip=1em,rightskip=1em,sep=0pt]{title in head/foot}%
+  \begin{beamercolorbox}[wd=.7\paperwidth,ht=2.55ex,dp=1ex,leftskip=1em,rightskip=1em,sep=0pt]{title in head/foot}%
     \usebeamertemplate*{section in head/foot}%
     \hfill%
   \end{beamercolorbox}
-  \begin{beamercolorbox}[wd=.5\paperwidth,ht=2.25ex,dp=1ex,leftskip=1em,rightskip=1em,sep=0pt]{page number in head/foot}%
+  \begin{beamercolorbox}[wd=.1\paperwidth,ht=2.55ex,dp=1ex,sep=0pt]{my empty section}
+    \hfill%
+  \end{beamercolorbox}
+  \begin{beamercolorbox}[wd=.2\paperwidth,ht=2.55ex,dp=1ex,leftskip=1em,rightskip=1em,sep=0pt]{page number in head/foot}%
 	\hfill%
     \usebeamertemplate*{page number in head/foot}%
   \end{beamercolorbox}}%
 }
 
+%% From https://tex.stackexchange.com/a/55849
+% Keys to support piece-wise uncovering of elements in TikZ pictures:
+% \node[visible on=<2->](foo){Foo}
+% \node[visible on=<{2,4}>](bar){Bar}   % put braces around comma expressions
+%
+% Internally works by setting opacity=0 when invisible, which has the
+% adavantage (compared to \node<2->(foo){Foo} that the node is always there, hence
+% always consumes space plus that coordinate (foo) is always available.
+%
+% The actual command that implements the invisibility can be overriden
+% by altering the style invisible. For instance \tikzsset{invisible/.style={opacity=0.2}}
+% would dim the "invisible" parts. Alternatively, the color might be set to white, if the
+% output driver does not support transparencies (e.g., PS)
+%
+\tikzset{
+  invisible/.style={opacity=0},
+  visible on/.style={alt={#1{}{invisible}}},
+  alt/.code args={<#1>#2#3}{%
+    \alt<#1>{\pgfkeysalso{#2}}{\pgfkeysalso{#3}} % \pgfkeysalso doesn't change the path
+  },
+}
+
 \hypersetup{pdfpagemode=UseNone} % don't show bookmarks on initial view
 
 
-\title[STEP-UP: Investigating interferometry with GRAND and BEACON]{
+\title[STEP-UP: Interferometry in GRAND]{% and BEACON]{
-	{ \large STEP-UP Interview}\\
+	{ \large STEP'UP Interview}\\
 	{
-		Investigating interferometry with\\
+		Investigating interferometry in\\%
-		GRAND\footnote{Giant Radio Array for Neutrino Detection} and BEACON\footnote{Beam forming Elevated Array for COsmic Neutrinos}
+		GRAND\footnote{ Giant Radio Array for Neutrino Detection}
+		% and BEACON\footnote{Beam forming Elevated Array for COsmic Neutrinos}
 	}
 }
 
-\date{May $10^{\text{\tiny{th}}}$, 2023}
+\date{June, 2023}
 
 \author[E.T. de Boone]{
 	E.T. de Boone
-	\\
+%	\\
-	\vspace{2em}
+%	\vspace{2em}
-	Advisor: Olivier Martineau, LPNHE\\
+%	Advisors: Olivier Martineau, LPNHE\\
-	\quad\quad\quad\quad\quad Harm Schoorlemmer, IMAPP
+%	\quad\quad\quad\quad\quad\, Harm Schoorlemmer, IMAPP
 	}
 
 \begin{document}
 {
 \setbeamertemplate{footline}{} % no page number here
-\section{Talk}
 \frame{	\titlepage }
 }
 
-\section{My studies}
+\section{My Background}
-\begin{frame}{My studies}
+\begin{frame}{My Background}
 	Studies @Radboud University, Nijmegen
 	\begin{itemize}
-		\item Bachelor's from 2012 to 2020 \\
+		\item Master's Physics and Astronomy {\small (\textit{1yr courses + 1yr internship})}\\
-			\quad {\small Minor: Astrophysics}
+			\quad { \small Specialisation: Particle and Astrophysics }\\
+			\quad { \small Minor: Computational Data Science }\\
 
-		\item Master's from 2020 to 2023 (expected) \\
+		\vspace*{1em}
-			\quad {\small Specialisation: Particle and Astrophysics}\\
-			\quad {\small Minor: Computational Data Science}
 
-		\item Master's Internship (November 2021 - June 2023) \\
+		\item Master's Internship: \\
 			\quad {\small Supervisor: Harm Schoorlemmer, IMAPP, Radboud University}\\
-			\quad {\small ``Enhancing Timing Accuracy in Air Shower Radio Detectors''}
+			\quad {\small ``Enhancing Timing Accuracy in Air Shower Radio Detectors'' }\\
-	\end{itemize}
-
-	\vspace*{2em}
-
-	Interests:
-	\begin{itemize}
-		\item Hardware experimenting
-		\item Ultra High Energy particles
-		\item Radio detection
 	\end{itemize}
 \end{frame}
+\note[itemize]{
+	\item Interests since Bachelor's, continued in Master's
+	\begin{itemize}
+		\item Ultra High Energy particles
+		\item Radio detection \& Hardware experimenting
+	\end{itemize}
 
-% Context
+	\item Now wrapping up Master and full year's worth of internship
+
+	\item Why start internship? (Experimental)
+}
+
+
+% Cosmic Rays and Radio
 %%%%%%%%%
 \section{Radio and Airshowers}
 \begin{frame}{Ultra High Energy particles}
 	\begin{figure}
-		\includegraphics[width=\textwidth]{grand/astroparticletypes_grand.jpg}
+		\includegraphics[width=\textwidth]{grand/astroparticletypes_grand.jpg}%
-%		\caption{
+		\imagecite{GRAND:2018iaj}
-%			From: \cite{GRAND:2018ia}
-%		}
 	\end{figure}
 \end{frame}
+\note[itemize]
+{
+\item Ultra High Energies (EeV $10^{18}$ eV) (Sources)
+\item Propagation effects (Magnetic Field deflections, Horizons)
+\item Multiple classes (Different combinations of effects)
+}
 
-\begin{frame}{Radio signals and Airshowers}
+%%
-	\begin{figure}
+\begin{frame}{Air Showers: Atmospheric Depth \& Composition}
-		\includegraphics[width=\textwidth]{grand/GRAND-detection-principle-1.png}
-%		\caption{
-%			From: \cite{GRAND:2018ia}
-%		}
-	\end{figure}
-\end{frame}
-
-\begin{frame}{Advantages of Radio Interferometry}
 	\begin{columns}
-		\begin{column}{0.53\textwidth}
+		\begin{column}{0.45\textwidth}
-			Interferometric Radio Observables:
+			\begin{figure}
-			\begin{itemize}
+				\hspace*{-1em}
-				\item<1-> Shower axis reconstruction%\; Relevant for $\nu$s pointing back to sources
+				\includegraphics[width=\textwidth]{airshower/shower_development_depth_iron_proton_photon.pdf}%
-					\vspace*{2em}
+				\imagecredit{H. Schoorlemmer}
-				\item<2-> Depth of airshower\\
+			\end{figure}
-					$\mapsto$ composition measurement
+		\end{column}
-					\\
+		\begin{column}{0.45\textwidth}
-					\quad\;(Fe, p, $\gamma$, $\nu$)
+			Enhanced Xmax measurement with Interferometry\\
-			\end{itemize}
+				$\mapsto$ particle identification\\
-		\end{column}
-		\begin{column}{0.47\textwidth}
 			\begin{figure}
-				\includegraphics[width=\textwidth]{2006.10348/fig01.png}
-				\caption[caption]{
 				\centering
-					\tiny{
+				\includegraphics[width=\textwidth]{2006.10348/fig03_b.png}%
-%					From: \cite{Schoorlemmer:2020low}
+				\imagecite{Schoorlemmer:2020low}
-					orange dot: true shower axis;\hspace{\textwidth}
-					blue dot: maximum in map
-					}
-					}
 			\end{figure}
 		\end{column}
 	\end{columns}
 \end{frame}
+\note[itemize]
+{
+\item Statistical discrimation: high Z at high altitudes
+\item FD claims 20 g/cm2, Fe/p ~ 50 g/cm2
+\item Radio Interferometry helps in Xmax measurement
+}
+
+\section{Radio Interferometry and Timing}
+\begin{frame}{Effect of Timing Synchronisation}
+	%\vspace*{-2em}
+	Interferometry: Amplitude + Timing information of the $\vec{E}$-field\\
+	\vspace*{ 0.8em }
+
+	\begin{columns}
+		%\hfill
+		\begin{column}{0.4\textwidth}
+			\vfill
+			\hyperlink{fig:sine:repairments}{\includegraphics[width=1.1\textwidth]{radio_interferometry/trace_overlap/on-axis/dc_grid_power_time_fixes.py.repair_none.axis.trace_overlap.repair_none.pdf}}%
+			\vspace*{\fill}
+			\hyperlink{fig:sine:grid_power}{\includegraphics[width=1.1\textwidth]{radio_interferometry/dc_grid_power_time_fixes.py.X400.repair_none.scale4d.pdf}}
+		\end{column}
+		\hfill
+		\begin{column}{0.4\textwidth}
+			\vfill
+			\hyperlink{fig:sine:repairments}{\includegraphics[width=1.1\textwidth]{radio_interferometry/trace_overlap/on-axis/dc_grid_power_time_fixes.py.repair_full.axis.trace_overlap.repair_full.pdf}}%
+			\vspace*{\fill}
+			\hyperlink{fig:sine:grid_power}{\includegraphics[width=1.1\textwidth]{radio_interferometry/dc_grid_power_time_fixes.py.X400.repair_all.scale4d.pdf}}%
+		\end{column}
+		\hfill
+	\end{columns}
+\end{frame}
+\note{
+}
+
+\begin{frame}{Timing Synchronisation: Beacon}
+	\begin{columns}
+		\begin{column}{0.6\textwidth}
+			\hspace*{1em}
+			Required time accuracy $\sim 1 \mathrm{ns}$\\
+			\vspace*{1em}
+			\hspace*{1em}
+			\visible<2->{
+				\textcolor{red}{GNSS},  in Auger $\gtrsim 5 \mathrm{ns}$\\
+			}
+			\hspace*{1em}
+			\vspace*{1em}
+			\visible<2->{
+				\textcolor{blue}{Beacon}: Pulse or Sine
+				}
+			\vspace*{\fill}
+	\begin{figure}
+		\hspace*{-2em}
+		\begin{tikzpicture}
+			\node[anchor=south west, inner sep=0] (image) at (0,0) {\includegraphics[width=\textwidth]{beacon/array_setup_gps_transmitter_cows.png}};
+			\begin{scope}[x={(image.south east)}, y={(image.north west)}]
+				%\draw[help lines,xstep=.1,ystep=.1] (0,0) grid (1,1);
+				%\foreach \x in {0,1,...,9} { \node [anchor=north] at (\x/10,0) {0.\x}; }
+				%\foreach \y in {0,1,...,9} { \node [anchor=east] at (0,\y/10) {0.\y}; }
+				\draw[red, ultra thick, visible on=<{2-}>] (0.85,0.87) circle [radius=8mm];
+				\draw[blue, ultra thick, visible on=<{2-}>] (0.23,0.32) circle [radius=8mm];
+			\end{scope}
+		\end{tikzpicture}
+		\imagecredit{H. Schoorlemmer}
+	\end{figure}
+		\end{column}
+		\begin{column}{0.5\textwidth}
+			\centering
+			\vspace*{\fill}
+			\onslide<3->{\hyperlink{fig:pulse:accuracy}{\includegraphics[width=\textwidth]{pulse/time_res_vs_snr_multiple_dt_small.pdf}}}%
+			\vspace*{\fill}
+			\onslide<3->{\hyperlink{fig:sine:accuracy}{\includegraphics[width=\textwidth]{beacon/time_res_vs_snr_f67.pdf}}}%
+			\vspace*{\fill}
+		\end{column}
+	\end{columns}
+\end{frame}
+\note{
+	Single frequency interest due to Auger (TV@67MHz)
+}
+
+\section{Radio Interferometry in GRAND}
+\begin{frame}{Radio Interferometry in GRAND}
+	\begin{figure}
+		\centering
+		\vspace*{\fill}
+		\hspace*{-2em}
+		\includegraphics[width=1.13\textwidth]{grand/roadmap-per-2023-01-shortened.jpg}%
+		%\includegraphics<2->[width=0.5\textwidth]{grand/roadmap-per-2023-01-shortened.jpg}%
+		\imagesource{Adapted from \url{https://grand.cnrs.fr/overview/roadmap/}}
+	\end{figure}
+\end{frame}
+
+% GRAND
+%%%%%%%%%%%%%%%
+%\note[itemize]
+%{
+%	\item GRAND radio-only, heavy development
+%	\item pathfinders upto 2026 (Auger reference, Europe testbed, China array)
+%	\item ultra high energy has low hits, need large area
+%}
 
 
-% Radio Interferometry
+\begin{frame}{Radio Interferometry in GRAND in Conclusion}
-%%%%%%%%%%%%%%%%%%%%%%
+	\begin{columns}
+		\begin{column}{0.4\textwidth}
+		\hspace*{-1.2em}
+		\begin{figure}
+			\vspace*{\fill}
+			\vspace*{2.4em}
+			\includegraphics[width=1\textwidth]{grand/roadmap-per-2023-01-shortened-prototyping.jpg}%
+			\imagesource{Adapted from \url{https://grand.cnrs.fr/overview/roadmap/}}
+			\vspace*{\fill}
+		\end{figure}
+		\end{column}
+		\hspace*{-2em}
+		\begin{column}{0.65\textwidth}
+			\begin{enumerate}
+				\item Timing Requirement in~Hardware\\
+					\quad test beacon at Auger/GP300
+					\vspace*{2em}
+				\item Setup Interferometric Analyses\\
+					\quad adapt to GRAND
+					\vspace*{2em}
+				\item Particle ID through Xmax\\
+					and Shower Axis reconstruction
+			\end{enumerate}
+			\vspace*{1em}
+		\end{column}
+	\end{columns}
+\end{frame}
+
+%	\only<2-> {
+%	Timing Requirements:\\
+%		\quad synchronisation schemes investigated in internship,\\
+%		\quad opportunity to implement and test (e.g.~Nan\c{c}ay)\\
+%	}
+%
+%	\only<3-> {
+%	\vspace*{1em}
+%	Interferometric Analyses:\\
+%		\quad enhances Xmax resolution\\
+%	}
+%
+%	\vspace{\stretch{100}}
+
+	%\vspace*{2em}
+	%GRAND Goals:\\
+	%	\quad Largest UHECR observatory, \\
+	%	\quad Multi-messenger science case,\\
+	%	\quad meaningful contribution to a new experiment\\
+%\end{frame}
+%\begin{frame}{Radio Interferometry in GRAND}
+
+%			\visible<2->{
+%				\vspace*{\fill}
+%				\begin{center}
+%				\begin{minipage}{.6\textwidth}
+%					\hrule
+%					\centering
+%					\vspace{ 2em }
+%					\textit{Thank you!}
+%				\end{minipage}
+%				\end{center}
+%				%\vspace{ 4em }
+%			}
+
+
+%%%%%%%%%%%%%%%
+% Backup slides
+%%%%%%%%%%%%%%%
+\appendix
+\begin{frame}[c]
+	\centering
+	\Large {
+		\textcolor{blue} {
+	Supplemental material
+	}
+	}
+\end{frame}
+
+\section*{Table of Contents}
+\begin{frame}{Table of Contents}
+	\tableofcontents
+\end{frame}
+
+\begin{frame}{GRAND}
+	\begin{figure}
+		\includegraphics[width=1\textwidth]{grand/GRAND-detection-principle-1.png}%
+		\imagecite{GRAND:2018iaj}
+	\end{figure}
+\end{frame}
+
+\section{Radio Emission}
+\begin{frame}{Airshower development}
+	\begin{figure}
+		\includegraphics[width=0.9\textwidth]{1607.08781/fig02a_airshower+detectors.png}
+		\imagecite{Schroder:2016hrv}
+	\end{figure}
+\end{frame}
+
+\begin{frame}{Polarised Radio Emission}
+	\begin{columns}
+		\begin{column}{0.2\textwidth}
+			\centering
+			Geosynchrotron
+		\end{column}
+		\begin{column}{0.7\textwidth}
+			\centering
+			\includegraphics[width=\textwidth]{airshower/airshower_radio_polarisation_geomagnetic.png}%
+		\end{column}
+	\end{columns}
+	\vfill
+	\begin{columns}
+		\begin{column}{0.2\textwidth}
+			\centering
+			Askaryan
+		\end{column}
+		\begin{column}{0.7\textwidth}
+			\centering
+			\includegraphics[width=\textwidth]{airshower/airshower_radio_polarisation_askaryan.png}%
+			\imagecite{Huege:2017bqv}
+		\end{column}
+	\end{columns}
+%	\vfill
+\end{frame}
+
 \section{Radio Interferometry}
 \begin{frame}{Radio Interferometry: Concept}
 	\begin{columns}
@@ -182,178 +435,111 @@
 	\end{columns}
 \end{frame}
 
-\section{Radio and Airshowers}
+\begin{frame}{Radio Interferometry: Image}
-\begin{frame}{}
+	\begin{figure}
+		\centering
+		\includegraphics[width=0.7\textwidth]{2006.10348/fig01.png}%
+		\imagecite{Schoorlemmer:2020low}
+	\end{figure}
+\end{frame}
+
+\begin{frame}{Radio Interferometry: Xmax Resolution vs Timing Resolution}
+	\begin{figure}
+		\centering
+		\includegraphics[width=0.7\textwidth]{2006.10348/fig03_b.png}%
+		\imagecite{Schoorlemmer:2020low}
+	\end{figure}
+\end{frame}
+
+\section{Time Synchronisation}
+\subsection{Expected Time Accuracies vs SNR}
+\subsubsection{Sine}
+\begin{frame}{Sine wave: Accuracy}
+	\begin{figure}
+		\includegraphics[width=\textwidth]{beacon/time_res_vs_snr.pdf}
+		\label{fig:sine:accuracy}
+	\end{figure}
+\end{frame}
+\begin{frame}{Sine wave: SNR}
+	\includegraphics[width=\textwidth]{ZH_simulation/signal_to_noise_definition.pdf}
+\end{frame}
+
+\subsubsection{Pulse}
+\begin{frame}{Pulse Template}
+	\begin{figure}
+		\includegraphics[width=\textwidth]{pulse/time_res_vs_snr_multiple_dt.pdf}
+		\label{fig:pulse:accuracy}
+	\end{figure}
+\end{frame}
+\begin{frame}{Pulse Template: SNR}
 	\begin{columns}
-		\begin{column}{0.47\textwidth}
+		\begin{column}{0.45\textwidth}
-			\includegraphics[width=\textwidth]{2006.10348/fig01.png}
+			\centering
+			Signal to Noise
+			\includegraphics[width=\textwidth]{pulse/antenna_signal_to_noise_6.pdf}
 		\end{column}
 		\hfill
-		\begin{column}{0.47\textwidth}
+		\begin{column}{0.45\textwidth}
-			\includegraphics[width=\textwidth]{2006.10348/fig03_b.png}
+			\centering
+			Impulse Response
+			\includegraphics[width=\textwidth]{pulse/filter_response.pdf}
 		\end{column}
 	\end{columns}
 \end{frame}
-
+\begin{frame}{Pulse Template: Timing}
-% My Internship
-%%%%%%%%%%%%%%%
-\section{My Internship}
-\begin{frame}{Timing Constraint for Radio Interferometry}
-	\vspace*{ -2em }
-	Required time accuracy $< 1 \mathrm{ns}$ not provided by GNSS $ \gtrsim 5 \mathrm{ns}$.
-	\vspace{ 2em }
-	\begin{columns}
-		\begin{column}{0.5\textwidth}
-			\visible<2->{%
-				Additional synchronisation\\
-				using physics band
-				\begin{itemize}
-					\item Pulsed beacon
-					\item<4-> Continuous (Sine)
-				\end{itemize}
-				\vspace{20pt}
-				\includegraphics[width=\textwidth]{beacon/array_setup_gps_transmitter_cows.png}
-			}%
-		\end{column}
-		\begin{column}{0.5\textwidth}
-			\begin{figure}% Clock error fixes
-				\includegraphics<1>[width=\textwidth]{radio_interferometry/trace_overlap/on-axis/dc_grid_power_time_fixes.py.repair_none.axis.trace_overlap.repair_none.pdf}%
-				\includegraphics<2>[width=\textwidth]{radio_interferometry/trace_overlap/on-axis/dc_grid_power_time_fixes.py.no_offset.axis.trace_overlap.no_offset.pdf}%
-				\includegraphics<3>[width=\textwidth]{radio_interferometry/trace_overlap/on-axis/dc_grid_power_time_fixes.py.repair_phases.axis.trace_overlap.repair_phases.pdf}%
-				\includegraphics<4>[width=\textwidth]{radio_interferometry/trace_overlap/on-axis/dc_grid_power_time_fixes.py.repair_full.axis.trace_overlap.repair_full.pdf}%
-			\end{figure}
-		\end{column}
-	\end{columns}
-\end{frame}
-
-\begin{frame}{Enhancing Timing Accuracy in Air Shower Radio Detectors}
-	\begin{columns}
-		\begin{column}{0.5\textwidth}
-			\centering
-			Pulse method
-			\includegraphics[width=1.1\textwidth]{pulse/time_res_vs_snr_multiple_dt.pdf}
-		\end{column}
-		\begin{column}{0.5\textwidth}
-			\centering
-			Sine method
-			\includegraphics[width=1.1\textwidth]{beacon/time_res_vs_snr.pdf}
-		\end{column}
-	\end{columns}
-\end{frame}
-
-% Towards GRAND
-%%%%%%%%%%%%%%%%%%%%
-\section{GRAND and Interferometry}
-\begin{frame}{GRAND and Interferometry}
-	\begin{columns}
-		\begin{column}{0.6\textwidth}
-			GRAND in heavy development,\\
-			relying on radio measurements\\
-
-			\vspace{2em}
-			Special interest in horizontal showers\\
-
-			\vspace{2em}
-
-			Neutrino's point back to source\\
-
-			\visible<2->{
-				\vspace*{\fill}
-				\begin{center}
-				\begin{minipage}{.6\textwidth}
-					\hrule
-					\centering
-					\vspace{ 2em }
-					\textit{Thank you!}
-				\end{minipage}
-				\end{center}
-				%\vspace{ 4em }
-			}
-		\end{column}
-		\begin{column}{0.4\textwidth}
 	\begin{figure}
-				\includegraphics<1>[width=\textwidth]{2006.10348/fig03_b.png}
+		\includegraphics[width=\textwidth]{pulse/correlation_tdt0.2_zoom.pdf}
-				\includegraphics<2>[width=\textwidth]{2006.10348/fig01_a.png}
+		\label{fig:pulse:correlation}
-%				\caption{
-%					From: \cite{Schoorlemmer:2020low}
-%				}
-			\end{figure}
-		\end{column}
-	\end{columns}
-\end{frame}
-
-
-%%%%%%%%%%%%%%%
-% Backup slides
-%%%%%%%%%%%%%%%
-\appendix
-\section{Supplemental material}
-\begin{frame}[c]
-	\centering
-	\Large {
-		\textcolor{blue} {
-	Supplemental material
-	}
-	}
-\end{frame}
-
-\begin{frame}{Airshower development}
-	\begin{figure}
-		\includegraphics[width=\textwidth]{1607.08781/fig02a_airshower+detectors.png}
-%		\caption{
-%			From \cite{Schroder:2016hrw}
-%		}
 	\end{figure}
 \end{frame}
 
-\subsection{Radio Emission}
-\begin{frame}{Polarised Radio Emission}
-	\begin{columns}
-		\begin{column}{0.2\textwidth}
-			\centering
-			Geosynchrotron
-		\end{column}
-		\begin{column}{0.7\textwidth}
-			\includegraphics[width=\textwidth]{airshower/airshower_radio_polarisation_geomagnetic.png}%
-		\end{column}
-	\end{columns}
-	\vfill
-	\begin{columns}
-		\begin{column}{0.2\textwidth}
-			\centering
-			Askaryan
-		\end{column}
-		\begin{column}{0.7\textwidth}
-			\includegraphics[width=\textwidth]{airshower/airshower_radio_polarisation_askaryan.png}%
-		\end{column}
-	\end{columns}
-%	\vfill
-%	From: \cite{Huege:2017bqv}
-\end{frame}
 
 
 %%%%%%%%%
-\subsection{Single frequency beacon synchronisation}
+\subsection{Single Frequency Beacon}
 \begin{frame}{Short period beacon synchronisation}
 	\begin{figure}
-		\includegraphics<1>[width=\textwidth]{beacon/08_beacon_sync_timing_outline.pdf}%
+		%\centering
-		\includegraphics<2>[width=\textwidth]{beacon/08_beacon_sync_synchronised_outline.pdf}%
+		\hspace*{-5em}
-		\includegraphics<3>[width=\textwidth]{beacon/08_beacon_sync_synchronised_period_alignment.pdf}%
+		\includegraphics<1>[width=1.3\textwidth]{beacon/08_beacon_sync_timing_outline.pdf}%
+		\includegraphics<2>[width=1.3\textwidth]{beacon/08_beacon_sync_synchronised_outline.pdf}%
+		\includegraphics<3>[width=1.3\textwidth]{beacon/08_beacon_sync_synchronised_period_alignment.pdf}%
 	\end{figure}
 \end{frame}
 
 
+\begin{frame}{Time resolving short period beacon: phase vs full}
+	\begin{columns}
+		\begin{column}{0.45\textwidth}
+			{ Phase reparation }
+			\includegraphics[width=\textwidth]{radio_interferometry/trace_overlap/on-axis/dc_grid_power_time_fixes.py.repair_phases.axis.trace_overlap.repair_phases.pdf}%
+			\vfill
+			\includegraphics[width=\textwidth]{radio_interferometry/dc_grid_power_time_fixes.py.X400.repair_phases.scale4d.pdf}%
+			\label{fig:sine:repairments}
+		\end{column}
+		\hfill
+		\begin{column}{0.45\textwidth}
+			{ Phase + Period reparation }
+			\includegraphics[width=\textwidth]{radio_interferometry/trace_overlap/on-axis/dc_grid_power_time_fixes.py.repair_full.axis.trace_overlap.repair_full.pdf}%
+			\vfill
+			\includegraphics[width=\textwidth]{radio_interferometry/dc_grid_power_time_fixes.py.X400.repair_all.scale4d.pdf}%
+		\end{column}
+	\end{columns}
+\end{frame}
+
 \begin{frame}{Time resolving short period beacon}
 	\begin{figure}
+		\centering
 		\includegraphics<1>[width=\textwidth]{radio_interferometry/dc_grid_power_time_fixes.py.X400.repair_none.scale4d.pdf}
 		\includegraphics<2>[width=\textwidth]{radio_interferometry/dc_grid_power_time_fixes.py.X400.repair_phases.scale4d.pdf}
 		\includegraphics<3>[width=\textwidth]{radio_interferometry/dc_grid_power_time_fixes.py.X400.repair_all.scale4d.pdf}
 		\includegraphics<4>[width=\textwidth]{radio_interferometry/dc_grid_power_time_fixes.py.X400.no_offset.scale4d.pdf}
+		\label{fig:sine:grid_power}
 	\end{figure}
 \end{frame}
 
 %%%%%%%%%%
-\subsection{GNSS clock stability}
+\section{GNSS clock stability}
 \begin{frame}{GNSS clock stability I}
 	\begin{columns}
 		\begin{column}{0.4\textwidth}
@@ -377,6 +563,25 @@
 	\end{columns}
 \end{frame}
 
+\begin{frame}{GNSS filterchain delay experiment}
+	\begin{columns}
+		\begin{column}{0.5\textwidth}
+			\centering
+			Pulse
+			\includegraphics[width=\textwidth]{grand/split-cable/split-cable-delays-ch1ch4.pdf}
+		\end{column}
+		\begin{column}{0.5\textwidth}
+			\centering
+			50MHz Sinewave
+			\includegraphics[width=\textwidth]{grand/split-cable/split-cable-delay-ch1ch2-50mhz-200mVpp.pdf}
+			%\includegraphics[width=\textwidth]{fourier/04_signal_to_noise_fig04.png}
+
+				Delay $ \lesssim 150\mathrm{ps}$
+		\end{column}
+	\end{columns}
+
+\end{frame}
+
 \begin{frame}{GNSS clock stability II}
 	\begin{figure}
 		\centering
@@ -387,7 +592,7 @@
 	\end{figure}
 \end{frame}
 
-\subsubsection{In the field}
+\subsection{In the field}
 \begin{frame}{GNSS clock stability II}
 	\begin{columns}
 		\begin{column}{0.5\textwidth}
@@ -399,11 +604,39 @@
 	\end{columns}
 \end{frame}
 
+\subsection{White Rabbit}
+\begin{frame}{White Rabbit: GNSS}
+	\begin{figure}
+		\includegraphics<1>[width=0.85\textwidth]{gnss/phase-delocked-gps-white-rabbit-setup-colored.pdf}%
+		\includegraphics<2>[width=0.8\textwidth]{gnss/phase-locked-gps-white-rabbit-setup-colored.pdf}%
+	\end{figure}
+\end{frame}
+\begin{frame}{White Rabbit: Precision Time Protocol}
+	\begin{figure}
+		\includegraphics[height=0.8\textheight]{white-rabbit/protocol/wrptpMSGs_1.pdf}
+		\imagecite{WRPTP}
+	\end{figure}
+\end{frame}
+\begin{frame}{White Rabbit: Delay model}
+	\begin{figure}
+		\includegraphics[width=\textwidth]{white-rabbit/protocol/delaymodel.pdf}
+		\imagecite{WRPTP}
+	\end{figure}
+\end{frame}
+\begin{frame}{White Rabbit: Clocks Reference}
+	\begin{figure}
+		\centering
+		\hspace*{-5em}
+		\includegraphics[width=1.35\textwidth]{clocks/wr-clocks.pdf}
+	\end{figure}
+\end{frame}
+
 %%%%%%%%%%%%%%
 % Bibliography
 %%%%%%%%%%%%%%
 \section*{References}
-\begin{frame}{References}
+\begin{frame}[allowframebreaks]
+	\frametitle{References}
 	\printbibliography
 \end{frame}
 \end{document}

presentations/2023-06-01_step_up_interview/README.md

@@ -1,5 +1,8 @@
 # Preparation for second round Interview for grant to do PhD in Paris
 
+[source](./2023-STEP_UP.tex)
+[pdf](./2023-STEP_UP.pdf)
+
 length: 10minutes + 10minutes questions
 
 ## Outline