diff --git a/presentations/2023-06-01_step_up_interview/2023-STEP_UP.tex b/presentations/2023-06-01_step_up_interview/2023-STEP_UP.tex new file mode 100644 index 0000000..622e8d5 --- /dev/null +++ b/presentations/2023-06-01_step_up_interview/2023-STEP_UP.tex @@ -0,0 +1,377 @@ +\documentclass[showdate=false]{beamer} + + +%%%%%%%% +% Goal: show enthousiasm, knowledge and drive about the field + +\usepackage[british]{babel} +\usepackage{amsmath} +\usepackage{hyperref} +\usepackage[backend=bibtex,style=trad-plain]{biblatex} +\usepackage{appendixnumberbeamer} +\usepackage{graphicx} +\graphicspath{{.}{./figures/}{../../figures/}} +\usepackage{todo} + +\addbibresource{../../../bibliotheca/bibliography.bib} + +% 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{footline}[frame number] + +\hypersetup{pdfpagemode=UseNone} % don't show bookmarks on initial view + + +\title[HEP Student seminar]{ + { \large HEP Student seminar }\\ + { + Investigating interferometry with\\ + 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} + +\author{ + E.T. de Boone + \\ + \vspace{2em} + Advisor: Olivier Martineau, LPNHE\\ + \quad\quad\quad\quad\quad Harm Schoorlemmer, IMAPP + } + +\begin{document} +{ +\setbeamertemplate{footline}{} % no page number here +\section{Talk} +\frame{ \titlepage } +} + +\begin{frame}{My studies} + Studies @Radboud University, Nijmegen + \begin{itemize} + \item Bachelor from 2012 to 2020 \\ + \quad {\small Minor: Astrophysics} + + \item Master from 2020 to 2023 (expected) \\ + \quad {\small Specialisation: Particle and Astrophysics}\\ + \quad {\small Minor: Computational Data Science} + + \item Master's Internship (November 2021 - May 2023) \\ + \quad {\small Supervisor: Harm Schoorlemmer, IMAPP, Radboud University}\\ + \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} + +% Context +%%%%%%%%% +\begin{frame}{Ultra High Energy particles} + \begin{figure} + \includegraphics[width=\textwidth]{grand/astroparticletypes_grand.jpg} +% \caption{ +% From: \cite{GRAND:2018ia} +% } + \end{figure} +\end{frame} + +\begin{frame}{Radio signals and Airshowers} + \begin{figure} + \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}{0.5\textwidth} + \begin{itemize} + \item<1-> Shower axis reconstruction%\; Relevant for $\nu$s pointing back to sources + \vspace*{2em} + \item<2-> Depth of airshower\\ + $\mapsto$ composition measurement (Fe, p, $\gamma$, $\nu$) + \end{itemize} + \end{column} + \begin{column}{0.5\textwidth} + \begin{figure} + \includegraphics<1,2>[width=\textwidth]{2006.10348/fig01.png} + \includegraphics<3>[width=\textwidth]{2006.10348/fig03_b.png} + %\includegraphics<2>[width=\textwidth]{1607.08781/fig02b_longitudinal_shower_profile.png} +% \caption{ +% From: \cite{Schoorlemmer:2020low} +% } + \end{figure} + \end{column} + \end{columns} +\end{frame} + + +% Radio Interferometry +%%%%%%%%%%%%%%%%%%%%%% +\section{Radio Interferometry Concept} +\begin{frame}{Radio Interferometry: Concept} + \begin{columns} + \begin{column}{0.4\textwidth} + \begin{figure} + \includegraphics[width=\textwidth]{radio_interferometry/Schematic_RIT_extracted.png} + \end{figure} + \end{column} + \begin{column}{0.6\textwidth} + \vspace*{\fill} + \begin{itemize} + \item<1-> Measure signal $S_i(t)$ at antenna $\vec{a_i}$ + + \item<2-> Calculate light travel time \\[5pt] + $\Delta_i(\vec{x}) = \frac{ \left| \vec{x} - \vec{a_i} \right| }{c} n_{eff}$ + + \item<2-> Sum waveforms accounting \\ + for time delay \\[5pt] + $S(\vec{x}, t) = \sum S_i( t + \Delta_i(\vec{x}) )$ + \end{itemize} + + \vspace*{\fill} + + \begin{figure}% Spatially + \includegraphics<1>[width=0.8\textwidth]{radio_interferometry/single_trace.png}% + \includegraphics<2>[width=0.8\textwidth]{radio_interferometry/trace_overlap_bad.png}% + \includegraphics<3>[width=0.8\textwidth]{radio_interferometry/trace_overlap_medium.png}% + \includegraphics<4>[width=0.8\textwidth]{radio_interferometry/trace_overlap_best.png}% + \end{figure} + \end{column} + \end{columns} +\end{frame} + +% 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}$. + \vspace{ 2em } + \begin{columns} + \begin{column}{0.5\textwidth} + \visible<2->{Additional synchronisation\\ + using physics band + } + \begin{itemize} + \item<2-> Pulsed beacon + \item<2-> Long period ($\sim 1 \mathrm{\mu s}$)% (AERA) + \item<3-> Short period ($\lesssim 20 \mathrm{ns}$) + \end{itemize} + \end{column} + \begin{column}{0.5\textwidth} + \begin{figure}% Clock error fixes + \includegraphics<1>[width=\textwidth]{radio_interferometry/trace_overlap/dc_grid_power_time_fixes.py.scale4d.best.trace_overlap.zoomed.repair_none.png}% + \includegraphics<2>[width=\textwidth]{radio_interferometry/trace_overlap/dc_grid_power_time_fixes.py.scale4d.best.trace_overlap.zoomed.no_offset.png}% + \includegraphics<3>[width=\textwidth]{radio_interferometry/trace_overlap/dc_grid_power_time_fixes.py.scale4d.best.trace_overlap.zoomed.repair_phases.png}% + \includegraphics<4>[width=\textwidth]{radio_interferometry/trace_overlap/dc_grid_power_time_fixes.py.scale4d.best.trace_overlap.zoomed.repair_all.png}% + \end{figure} + \end{column} + \end{columns} +\end{frame} + +\begin{frame}{My Internship: Enhancing Timing Accuracy in Air Shower Radio Detectors} + \vspace{1em} + In-band mechanisms affect physics data \\ + How often should we `resynchronise'? \\ + + \begin{itemize} + \item GNSS clock stability + \item dead-time + \item disruptiveness + \end{itemize} + \vspace{1em} + + \vfill + \begin{columns} + \begin{column}{0.6\textwidth} + \includegraphics<1>[width=\textwidth]{grand/split-cable/split-cable-delays-ch1ch4.pdf} + \includegraphics<2>[width=\textwidth]{grand/split-cable/split-cable-delay-ch1ch2-50mhz-200mVpp.pdf} + \end{column} + \begin{column}{0.4\textwidth} + \includegraphics[width=\textwidth]{beacon/time_res_vs_snr.pdf} + \end{column} + \end{columns} +\end{frame} + +% Towards GRAND +%%%%%%%%%%%%%%%%%%%% + +\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<2>[width=\textwidth]{2006.10348/fig01_a.png} +% \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} +\begin{frame}{Short period beacon synchronisation} + \begin{figure} + \includegraphics<1>[width=\textwidth]{beacon/08_beacon_sync_timing_outline.pdf}% + \includegraphics<2>[width=\textwidth]{beacon/08_beacon_sync_synchronised_outline.pdf}% + \includegraphics<3>[width=\textwidth]{beacon/08_beacon_sync_synchronised_period_alignment.pdf}% + \end{figure} +\end{frame} + + +\begin{frame}{Time resolving short period beacon} + \begin{figure} + \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} + \end{figure} +\end{frame} + +%%%%%%%%%% +\subsection{GNSS clock stability} +\begin{frame}{GNSS clock stability I} + \begin{columns} + \begin{column}{0.4\textwidth} + \begin{figure} + \centering + \includegraphics[width=0.8\textwidth]{grand/setup/antenna-to-adc.pdf} + \caption{ + GRAND Digitizer Unit's ADC to antennae + } + \end{figure} + \end{column} + \hfill + \begin{column}{0.5\textwidth} + \begin{figure} + \includegraphics[width=\textwidth]{grand/setup/channel-delay-setup.pdf}% + \caption{ + Channel filterchain delay experiment + } + \end{figure} + \end{column} + \end{columns} +\end{frame} + +\begin{frame}{GNSS clock stability II} + \begin{figure} + \centering + \includegraphics[width=0.7\textwidth]{grand/setup/grand-gps-setup.pdf} + \caption{ + GNSS stability experiment + } + \end{figure} +\end{frame} + +\subsubsection{In the field} +\begin{frame}{GNSS clock stability II} + \begin{columns} + \begin{column}{0.5\textwidth} + \includegraphics[width=\textwidth]{images/IMG_20220819_154801.jpg} + \end{column} + \begin{column}{0.5\textwidth} + \includegraphics[width=\textwidth]{images/IMG_20220815_161244.jpg} + \end{column} + \end{columns} +\end{frame} + +%%%%%%%%%%%%%% +% Bibliography +%%%%%%%%%%%%%% +\section*{References} +\begin{frame}{References} + \printbibliography +\end{frame} +\end{document} + diff --git a/presentations/2023-06-01_step_up_interview/Makefile b/presentations/2023-06-01_step_up_interview/Makefile new file mode 100644 index 0000000..449c34a --- /dev/null +++ b/presentations/2023-06-01_step_up_interview/Makefile @@ -0,0 +1,24 @@ +# vim:ft=make +-include config.mk + +.PHONY: all clean dist-clean + +### Variables +MAIN_SRC ?= main.tex +TEXENGINE ?= latexmk --pdf + +MAIN_TARGET = $(patsubst %.tex,%.pdf,$(MAIN_SRC)) + +### Targets +all: $(MAIN_TARGET) + +dist: all clean + +$(MAIN_TARGET): $(MAIN_SRC) + $(TEXENGINE) $^ + +dist-clean: clean + @rm -vf *.pdf *.eps *.dvi *.ps + +clean: + @rm -vf *.dat *.log *.out *.aux *.nav *.snm *.toc *.vrb *~ *.fls *.fdb_latexmk *-blx.bib *.bbl *.blg *.run.xml diff --git a/presentations/2023-06-01_step_up_interview/README.md b/presentations/2023-06-01_step_up_interview/README.md new file mode 100644 index 0000000..d1d3566 --- /dev/null +++ b/presentations/2023-06-01_step_up_interview/README.md @@ -0,0 +1,17 @@ +# Preparation for second round Interview for grant to do PhD in Paris + +length: 10minutes + 10minutes questions + +## Outline + 1. Airshowers / Ultra high energy / Radio Signal + + 2. Radio Interferometry principle + + 3. RI requires good timing -> work in internship + mention, but put most in [backup slides] + + 4. Direct Advantages of RI + (follow airshower through the air) + + 5. RI, CRs and Neutrinos + (better direction reconstruction is interesting for Ns not for CR) diff --git a/presentations/2023-06-01_step_up_interview/config.mk b/presentations/2023-06-01_step_up_interview/config.mk new file mode 100644 index 0000000..e001b9c --- /dev/null +++ b/presentations/2023-06-01_step_up_interview/config.mk @@ -0,0 +1 @@ +MAIN_SRC=2023-STEP_UP.tex