Merge tag 'step-up-2' into HEAD
Second round of STEP-UP ED560 presentation
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figures/2006.10348/fig03_b_original.png
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figures/airshower/airshower_radio_polarisation.jpg
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figures/airshower/airshower_radio_polarisation_askaryan.png
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figures/airshower/airshower_radio_polarisation_geomagnetic.png
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@ -0,0 +1,2 @@
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From Harm
|
||||
10^19 eV
|
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figures/astroparticle/astroparticletypes_grand.jpg
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figures/astroparticle/bk978-0-7503-2344-4ch1f2_hr.jpg
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11
figures/astroparticle/bk978-0-7503-2344-4ch1f2_hr.jpg.txt
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@ -0,0 +1,11 @@
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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},
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||||
booktitle = {Multimessenger Astronomy in Practice}
|
||||
}
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figures/beacon/08_beacon_sync_coherent_sum.pdf
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figures/beacon/08_beacon_sync_synchronised_outline.pdf
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figures/beacon/08_beacon_sync_synchronised_period_alignment.pdf
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figures/beacon/08_beacon_sync_timing_outline.dat
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@ -0,0 +1,14 @@
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|||
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
|
||||
--------
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||||
A_1 = -2.457142857142859ns
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||||
A_2 = -7.885714285714274ns
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||||
B_1 = 57.14285714285714ns = 4.0T
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B_2 = 157.14285714285714ns = 11.0T
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figures/beacon/08_beacon_sync_timing_outline.pdf
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@ -37,11 +37,11 @@ antenna_setup: \
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antenna_setup_two.pdf antenna_setup_two.png \
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#
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antenna_setup_four.%: src/four_antenna_geometry.py
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$< $@
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antenna_setup_four.%: src/antenna_geometry.py
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$< $@ 4
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antenna_setup_three.%: src/four_antenna_geometry.py
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$< --no-extra $@
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antenna_setup_three.%: src/antenna_geometry.py
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$< --no-extra $@ 3
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antenna_setup_two.%: src/four_antenna_geometry.py
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antenna_setup_two.%: src/antenna_geometry.py
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$< --no-extra $@ 2
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@ -69,7 +69,7 @@ field_three_center_time_nomax.%: src/beacon_field.py
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field_three_center_phase.%: src/beacon_field.py
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$< --phase $@ three-center
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field_three_center_time_nomax.%: src/beacon_field.py
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$< --time $@ three-center --no-max
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$< --time $@ three-center --max-rms 0
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field_square: \
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figures/beacon/time_res_vs_snr_f67.pdf
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@ -101,7 +101,7 @@ def main(ref=(10,5), A=(40,10), B=(70,12) ):
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as compared to a reference timer tr (sr), with annotations.
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"""
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||||
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t = np.linspace(0, 100, 1e3)
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||||
t = np.linspace(0, 100, int(1e3))
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t_A, s_A = A
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t_B, s_B = B
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||||
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1
figures/grand/astroparticletypes_grand.jpg
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../astroparticle/astroparticletypes_grand.jpg
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figures/pulse/11_hilbert_timing_interpolation_template.pdf
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figures/pulse/correlation_tdt0.2_zoom.pdf
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figures/pulse/correlation_tdt02.pdf
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figures/pulse/time_res_vs_snr_multiple_dt_small.pdf
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presentations/2023-06-01_step_up_interview/2023-STEP_UP.pdf
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\documentclass[showdate=false]{beamer}
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%\documentclass[notes]{beamer}
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\documentclass[]{beamer}
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%%%%%%%%
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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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\usepackage{tikz}
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\usepackage{xurl}
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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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% Use arXiv identifier if available
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\DeclareCiteCommand{\arxivcite}
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{\usebibmacro{prenote}}
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{\usebibmacro{citeindex}%
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\usebibmacro{cite}
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\newunit
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\newcommand{\imagesource}[1]{~\\[0pt]\vspace*{-7pt}\hspace*{10pt}{\tiny#1}}
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\newcommand{\imagecredit}[1]{\imagesource{Credit:\thinspace#1}}
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\newcommand{\imagecite}[1]{\imagesource{\arxivcite{#1}}}
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% Disable Captions
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{%
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\leavevmode%
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\hbox{%
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\begin{beamercolorbox}[wd=.5\paperwidth,ht=2.25ex,dp=1ex,leftskip=1em,rightskip=1em,sep=0pt]{title in head/foot}%
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\begin{beamercolorbox}[wd=.7\paperwidth,ht=2.55ex,dp=1ex,leftskip=1em,rightskip=1em,sep=0pt]{title in head/foot}%
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\usebeamertemplate*{section in head/foot}%
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\hfill%
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\end{beamercolorbox}
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\begin{beamercolorbox}[wd=.5\paperwidth,ht=2.25ex,dp=1ex,leftskip=1em,rightskip=1em,sep=0pt]{page number in head/foot}%
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\begin{beamercolorbox}[wd=.1\paperwidth,ht=2.55ex,dp=1ex,sep=0pt]{my empty section}
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\hfill%
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\end{beamercolorbox}
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\begin{beamercolorbox}[wd=.2\paperwidth,ht=2.55ex,dp=1ex,leftskip=1em,rightskip=1em,sep=0pt]{page number in head/foot}%
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\hfill%
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\usebeamertemplate*{page number in head/foot}%
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\end{beamercolorbox}}%
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}
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%% From https://tex.stackexchange.com/a/55849
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% Keys to support piece-wise uncovering of elements in TikZ pictures:
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% \node[visible on=<2->](foo){Foo}
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% \node[visible on=<{2,4}>](bar){Bar} % put braces around comma expressions
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%
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% Internally works by setting opacity=0 when invisible, which has the
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% adavantage (compared to \node<2->(foo){Foo} that the node is always there, hence
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% always consumes space plus that coordinate (foo) is always available.
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%
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% The actual command that implements the invisibility can be overriden
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% by altering the style invisible. For instance \tikzsset{invisible/.style={opacity=0.2}}
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% would dim the "invisible" parts. Alternatively, the color might be set to white, if the
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% output driver does not support transparencies (e.g., PS)
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%
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\tikzset{
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invisible/.style={opacity=0},
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visible on/.style={alt={#1{}{invisible}}},
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alt/.code args={<#1>#2#3}{%
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\alt<#1>{\pgfkeysalso{#2}}{\pgfkeysalso{#3}} % \pgfkeysalso doesn't change the path
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},
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}
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||||
\hypersetup{pdfpagemode=UseNone} % don't show bookmarks on initial view
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||||
|
||||
|
||||
\title[STEP-UP: Investigating interferometry with GRAND and BEACON]{
|
||||
{ \large STEP-UP Interview}\\
|
||||
\title[STEP-UP: Interferometry in GRAND]{% and BEACON]{
|
||||
{ \large STEP'UP Interview}\\
|
||||
{
|
||||
Investigating interferometry with\\
|
||||
GRAND\footnote{Giant Radio Array for Neutrino Detection} and BEACON\footnote{Beam forming Elevated Array for COsmic Neutrinos}
|
||||
Investigating interferometry in\\%
|
||||
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}
|
||||
Advisor: Olivier Martineau, LPNHE\\
|
||||
\quad\quad\quad\quad\quad Harm Schoorlemmer, IMAPP
|
||||
% \\
|
||||
% \vspace{2em}
|
||||
% Advisors: Olivier Martineau, LPNHE\\
|
||||
% \quad\quad\quad\quad\quad\, Harm Schoorlemmer, IMAPP
|
||||
}
|
||||
|
||||
\begin{document}
|
||||
{
|
||||
\setbeamertemplate{footline}{} % no page number here
|
||||
\section{Talk}
|
||||
\frame{ \titlepage }
|
||||
}
|
||||
|
||||
\section{My studies}
|
||||
\begin{frame}{My studies}
|
||||
\section{My Background}
|
||||
\begin{frame}{My Background}
|
||||
Studies @Radboud University, Nijmegen
|
||||
\begin{itemize}
|
||||
\item Bachelor's from 2012 to 2020 \\
|
||||
\quad {\small Minor: Astrophysics}
|
||||
\item Master's Physics and Astronomy {\small (\textit{1yr courses + 1yr internship})}\\
|
||||
\quad { \small Specialisation: Particle and Astrophysics }\\
|
||||
\quad { \small Minor: Computational Data Science }\\
|
||||
|
||||
\item Master's from 2020 to 2023 (expected) \\
|
||||
\quad {\small Specialisation: Particle and Astrophysics}\\
|
||||
\quad {\small Minor: Computational Data Science}
|
||||
\vspace*{1em}
|
||||
|
||||
\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''}
|
||||
\end{itemize}
|
||||
|
||||
\vspace*{2em}
|
||||
|
||||
Interests:
|
||||
\begin{itemize}
|
||||
\item Hardware experimenting
|
||||
\item Ultra High Energy particles
|
||||
\item Radio detection
|
||||
\quad {\small ``Enhancing Timing Accuracy in Air Shower Radio Detectors'' }\\
|
||||
\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}
|
||||
% \caption{
|
||||
% From: \cite{GRAND:2018ia}
|
||||
% }
|
||||
\includegraphics[width=\textwidth]{grand/astroparticletypes_grand.jpg}%
|
||||
\imagecite{GRAND:2018iaj}
|
||||
\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}
|
||||
\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{frame}{Air Showers: Atmospheric Depth \& Composition}
|
||||
\begin{columns}
|
||||
\begin{column}{0.53\textwidth}
|
||||
Interferometric Radio Observables:
|
||||
\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
|
||||
\\
|
||||
\quad\;(Fe, p, $\gamma$, $\nu$)
|
||||
\end{itemize}
|
||||
\end{column}
|
||||
\begin{column}{0.47\textwidth}
|
||||
\begin{column}{0.45\textwidth}
|
||||
\begin{figure}
|
||||
\includegraphics[width=\textwidth]{2006.10348/fig01.png}
|
||||
\caption[caption]{
|
||||
\centering
|
||||
\tiny{
|
||||
% From: \cite{Schoorlemmer:2020low}
|
||||
orange dot: true shower axis;\hspace{\textwidth}
|
||||
blue dot: maximum in map
|
||||
}
|
||||
}
|
||||
\hspace*{-1em}
|
||||
\includegraphics[width=\textwidth]{airshower/shower_development_depth_iron_proton_photon.pdf}%
|
||||
\imagecredit{H. Schoorlemmer}
|
||||
\end{figure}
|
||||
\end{column}
|
||||
\begin{column}{0.45\textwidth}
|
||||
Enhanced Xmax measurement with Interferometry\\
|
||||
$\mapsto$ particle identification\\
|
||||
\begin{figure}
|
||||
\centering
|
||||
\includegraphics[width=\textwidth]{2006.10348/fig03_b.png}%
|
||||
\imagecite{Schoorlemmer:2020low}
|
||||
\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}{}
|
||||
\begin{columns}
|
||||
\begin{column}{0.47\textwidth}
|
||||
\includegraphics[width=\textwidth]{2006.10348/fig01.png}
|
||||
\end{column}
|
||||
\hfill
|
||||
\begin{column}{0.47\textwidth}
|
||||
\includegraphics[width=\textwidth]{2006.10348/fig03_b.png}
|
||||
\end{column}
|
||||
\end{columns}
|
||||
\end{frame}
|
||||
|
||||
% 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<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{frame}{Radio Interferometry: Image}
|
||||
\begin{figure}
|
||||
\includegraphics[width=\textwidth]{1607.08781/fig02a_airshower+detectors.png}
|
||||
% \caption{
|
||||
% From \cite{Schroder:2016hrw}
|
||||
% }
|
||||
\centering
|
||||
\includegraphics[width=0.7\textwidth]{2006.10348/fig01.png}%
|
||||
\imagecite{Schoorlemmer:2020low}
|
||||
\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}
|
||||
\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}{0.45\textwidth}
|
||||
\centering
|
||||
Signal to Noise
|
||||
\includegraphics[width=\textwidth]{pulse/antenna_signal_to_noise_6.pdf}
|
||||
\end{column}
|
||||
\hfill
|
||||
\begin{column}{0.45\textwidth}
|
||||
\centering
|
||||
Impulse Response
|
||||
\includegraphics[width=\textwidth]{pulse/filter_response.pdf}
|
||||
\end{column}
|
||||
\end{columns}
|
||||
\end{frame}
|
||||
\begin{frame}{Pulse Template: Timing}
|
||||
\begin{figure}
|
||||
\includegraphics[width=\textwidth]{pulse/correlation_tdt0.2_zoom.pdf}
|
||||
\label{fig:pulse:correlation}
|
||||
\end{figure}
|
||||
\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}%
|
||||
\includegraphics<2>[width=\textwidth]{beacon/08_beacon_sync_synchronised_outline.pdf}%
|
||||
\includegraphics<3>[width=\textwidth]{beacon/08_beacon_sync_synchronised_period_alignment.pdf}%
|
||||
%\centering
|
||||
\hspace*{-5em}
|
||||
\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}
|
||||
|
|
|
@ -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
|
||||
|
|