\documentclass[portrait,a0,final]{a0poster}
\usepackage{SIunits,amsmath,xspace,bm}
\usepackage{multicol,fancybox}
\usepackage{color,graphicx}
\usepackage{wallpaper}
\usepackage{pstricks,pst-grad}
\usepackage{lettrine}

\usepackage[utf8x]{inputenc}

\usepackage[percent]{overpic}

\usepackage{helvet}
\renewcommand{\familydefault}{\sfdefault}

\definecolor{fgrey}{RGB}{112,127,135}
%\definecolor{fgreenfoot}{RGB}{176,203,82}ll

\definecolor{fgreenfoot}{RGB}{198,227,98}

\usepackage{lipsum}

%%force 2 columssn cf style 
%pyb@TF-PYB12:/data2/svn/oscat/articles/publis-equipe/Conferences/2007/eftf-ifcs/eftf2007-TimeNav-Maser-john-clock/yann/Conf_australie_2006
%a0poster_lpmo.sty
\newlength{\colowidth}
\setlength{\colowidth}{0.47\textwidth}

\newcommand{\posterrule}{\gray \rule{0.99\textwidth}{2mm}}

\newcommand{\col}[2][\colowidth]{
\mbox{
\begin{minipage}[t]{#1}\large
#2
\end{minipage}
}
}




%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%                figpath                          %%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\graphicspath{{./figs/}}


\newlength{\titlewidth}
\newlength{\logowidth}




\renewcommand{\maketitle}{%
%
%----logo femto
\hspace{-2.5cm}
\begin{minipage}[c]{16.8cm} %\logowidth
        %\printleftlogo
		\vspace{-10cm}
        \begin{center}
                %\resizebox{#1\textwidth}{!}{\includegraphics{#2}}
                \includegraphics{./logo/ban_femto_from_Femto_poster_A0_pptx.jpg}
        \end{center}
\end{minipage}
%
\hfill
%-----abeilles
\begin{minipage}[r]{0.52\paperwidth}
	\vspace{-2.5cm}
	\hspace{1cm}
	\begin{overpic}[width=0.52\paperwidth]{./logo/ban_abeilles_femto_poster_crop.pdf}
		\put(-45,25){\VeryHuge \gray {\bf{Digital Methods}} }%for Time \& Frequency Metrology}
		\put(-40,15){\VeryHuge \gray {\bf{for Time \& Frequency Metrology}} }
		\put(-70,7){\Large \black 
		\it 
		P.-Y. Bourgeois, G. Goavec-Merou, J.-M. Friedt, C. Rocher, B. Marechal, A. Hugeat, Y. Gruson, B. Dubois, L. Groult, E. Rubiola}
	\end{overpic}
\end{minipage}
}%end title

%memo génération abeilles
%téléchargé sur https://extranet.femto-st.fr/intranet/comm/Logos/Forms/DispForm.aspx?ID=34&Source=https%3A%2F%2Fextranet%2Efemto%2Dst%2Efr%2Fintranet%2Fcomm%2FLogos%2FForms%2FThumbnails%2Easpx%3FRootFolder%3D%252Fintranet%252Fcomm%252FLogos%252FFEMTO%252DST%252FFichiers%2520vectoriels%26FolderCTID%3D0x012000233A16033461A44FB4F0399B3527FCDA%26View%3D%257BE0648792%252D6BE5%252D452B%252DA8AE%252D4F6A9A2EA958%257D&ContentTypeId=0x010102007EC9D516F45F284BAD620B39011C6AB5
%
%fichier ai (adobe illustrator)
%conversion pdf
%gs -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -r600 -sOutputFile=out.pdf Femto-fond_hexagones.ai
%crop
%pdfcrop --margins "0 -168 0 -168" out.pdf out_crop.pdf

%--------------
%--------------
%--------------
%--------------
\begin{document}

\author{}
\date{}
\maketitle

%\rule{0.99\textwidth}{2mm}


\thispagestyle{empty}
\vspace*{-1cm}

%-------------
\noindent{\large {\bf Digital control}: stability (no influence of environment), reconfigurability (one
hardware, multiple algorithms/applications), flexibility (tune operating conditions
during operation)}
%-------------


%-------------
        \section*{\darkgray \huge \underline{Sampled-Data Systems T\&F Metrology}}\large
%-------------

%--------1ere col
%\begin{center}
	%\col{
\begin{minipage}[l]{0.3\linewidth}\large
	%\section*{\darkgray Aims}
	\section*{Aims}
	High-precision digital methods and instrumentation.
	Mastering realtime RF signal processing
	\begin{itemize}
		\item Fully digital signal analysis, quantization, noise
		\item Servo controls
		\item Digital Lock-in amplifier% (regrouper)
		\item DDS \& PLL
		\item Time to Digital converters, Electronic counters
		\item Noise generators, \ldots
		\item GPS systems
		\item Software-defined Radio
		%\item Fully digital analyzers ($S_\varphi(f)$, $\sigma_y(\tau)$)
		\item \mbox{Fully digital analyzers (phase noise / frequency stability)}

 for the 
\includegraphics[width=4cm]{./figs/logo_oscimp_screen.pdf}
facility 
	\end{itemize}
\mbox{Development tools for Research, Amateur Radio,}
\mbox{Education, Popularization; mainly Open-Source}

%Recherche, Radio-Amateurs, Enseignement et Vulgarisation
\end{minipage}\hfill
%
%
%--------2è col
\begin{minipage}[l]{0.35\linewidth}\large
	%\section*{\darkgray Fully Digital Phase Noise Measurement system with cross-correlation}
%
	\section*{Fully Digital Phase Noise Measurement system with cross-correlation}
            \scalebox{0.75}{
            	\input{./figs/pnm_4_ch_noise_floor_setup2.pdf_t}}

		%\begin{minipage}[l]{0.3\linewidth}\large
	        \begin{itemize}
			\item 4-ch cross correlation for improved rejection of the instrument background noise 
			\item 250 Msps Digital Down Conversion (demodulation with 128-coefficients sinc convolution decimation filter
with apodization)
			\item Algorithms under control / Full data flow processing
      		  \end{itemize}

		%\end{minipage}\hfill

Results shown compare favorably to state-of-the-art devices

Potentially very high resolution counter

\end{minipage}\hfill
%
%
%
%--------3è col
	\begin{minipage}[c]{0.255555\linewidth}
\includegraphics[width=1.0\linewidth]{figs/nfcolor_zc706.pdf}

\normalsize
Instrument noise floor @ 10 MHz (in units dB rad$^2$/Hz)
\large

\includegraphics[width=1.0\linewidth]{./figs/4ch-SMA-measurement-M4000.pdf}

\normalsize
%Application to the
Measurement of a low-noise synthesizer
\large

	\end{minipage}


%--------------------------------------------------------------
%--------------------------------------------------------------
%2nd item
%--------------------------------------------------------------


\bigskip
\bigskip
\begin{center}
\bigskip


\begin{minipage}[l]{0.50\linewidth}\large
	\begin{center}
\vspace*{-2.5cm}
		\section*{SDR applied to Positioning systems (GNSS) / time transfer}
		 Software phase tracking of GPS signals -- beyond positioning, useful
for physical applications.

	
		\hspace*{-2cm}\begin{minipage}[l]{0.48\linewidth}
\vspace*{2cm}
Home-made GPS receiver: 
Antenna + DVB-T dongle 
+ \texttt{gnss-sdr} + \texttt{GNURadio}

\vspace*{2cm}
	\begin{itemize}
	\item Costas loop demodulation 
	\item Satellites identification 

by cross-correlation
	\item Phase tracking servo control %Correcteur de suivi de fréquence 
	\end{itemize}
		\end{minipage}%\hfill
		\begin{minipage}[l]{.49\linewidth}
			\includegraphics[scale=0.9]{photo-manip-gps-jmf.pdf}
			\includegraphics[scale=0.45]{costas_grc.png}
			\includegraphics[scale=0.70]{Gnuradio-2.png}
			\hspace*{-1cm}\vspace*{-5cm}
			\includegraphics[scale=0.5]{1413968929neg.pdf}
		\end{minipage}
	\end{center}
\end{minipage}\hfill
\begin{minipage}[l]{0.5\linewidth}\large
	\begin{center}
\vspace*{1cm}
	        \section*{Short range RADAR}
System with high bandwidth ADC acquisition (125 MS/s) 

for passive wireless sensor interrogation
        
                \begin{minipage}[l]{0.4\linewidth}
Efficient use of the dual 

CPU-FPGA  architecture: 

\begin{itemize}
\item hard real time radio-frequency 

processing on FPGA

\item user interface and data 

communication on 

CPU running GNU/Linux
\end{itemize}
                \end{minipage}%\hfill
                \begin{minipage}[l]{.5\linewidth}
                        \includegraphics[scale=.4]{IMG_1148ann.png}
                \end{minipage}

	\end{center}
Application to sensor measurement: flexible algorithm able to adapt to 
measurement conditions (noise, moving target)
\end{minipage}
\end{center}

\vskip 100pt


%-------------------------------------------------------------------------------
%-------------------------------------------------------------------------------
%-------------------2nd part------------------------------------------------------------
%-------------------------------------------------------------------------------
\section*{\darkgray \huge \underline{Applications to Photonics Systems}}\large

%-------------------------------------------------------------------------------

%--col1
\begin{minipage}[l]{0.35\linewidth}\large
\section*{Cryogenic Fabry-Pérot Silicon Cavity}
\hspace*{7cm}\includegraphics[width=16cm]{./figs/complete_setup_sicav_vertical.pdf}

\includegraphics[width=13cm,height=7cm]{FullSizeRender.jpg}
\includegraphics[width=13cm,height=7cm]{FullSizeRender-4.jpg}
\end{minipage}%\hfill
%--col2
\begin{minipage}[l]{0.25\linewidth}\large
	\begin{itemize}
		\item Laser stabilization ($\nu$, $P$, $T$)
		\item Fiber link compensation
	\end{itemize}
	\bigskip
	Features:
	\begin{itemize}
		\item DDS, I/Q demodulation, PID, NCO, \ldots
		\item network functionalities (GUI, analysis,
		\item[] SDR (\texttt{GNURadio}) \ldots)
	\end{itemize}

\bigskip
\bigskip
\hspace*{2cm}\includegraphics[width=13cm]{./figs/IQ_demod_50MHz.png}
\end{minipage}%\hfill
%--col3
\begin{minipage}[l]{0.4\linewidth}\large
\section*{Fully Digital Control of Optical Single-ion Clock}

\begin{itemize}
	\item 4-laser stabilization
	\item $500$ $\mu K$ control for SHG modules
	\item Pulse programming
\end{itemize}
\bigskip
\includegraphics[width=0.5\linewidth]{./figs/photo_lasers_rack_lambd.pdf}
\includegraphics[width=0.5\linewidth]{./figs/photo_laser_power_digital_setup.pdf}
\end{minipage}%\hfill

%--------------------------------------------------------------



%\makefooter

\vfill
\subsection*{Ack: EquipeX Oscillator IMP, Région de Bourgogne Franche-Comté, Labex FIRST-TF, ANR Mittic, CNES, SENSeOR
}
\posterrule
\vspace*{1.0\baselineskip}


	\begin{minipage}[l]{0.5\linewidth}
		\black contact: \gray pyb2@femto-st.fr
		\vspace*{0.5\baselineskip}\\
		\darkgray {\bf{\Large FEMTO-ST, Time \& Frequency dept.}} \\
		\gray \large 26, chemin de l'Epitaphe \\
		25\,000 Besan\c con

	\end{minipage}\hfill
	\begin{minipage}[l]{0.45\linewidth}
		\begin{overpic}[]{./logo/white.pdf}
			\put(0,1){\includegraphics[scale=.5]{./logo/aFE5L7l5_400x400.png}}
			\put(22,0) {\includegraphics[]{./logo/CNRSfr-grand.jpg}}
			\put(46,6) {\includegraphics[scale=1.5]{./logo/ensmm_jpg.jpg}}
			\put(75,3){\includegraphics[]{./logo/utbm.pdf}}
		\end{overpic}
	\end{minipage}




\end{document}