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%
% Plot der Übertrangungsabfolge ins FFT und zurück mit IFFT
%
\documentclass[tikz]{standalone}
\usepackage{amsmath}
\usepackage{times}
\usepackage{pgfplots}
\usepackage{pgfplotstable}
\usepackage{csvsimple}
\usepackage{filecontents}
\def\plotwidth{7.5cm}
\def\plotheight{5.5cm}
\def\xverschiebung{4.5cm}
\def\yverschiebung{-7cm}
\def\yyverschiebung{-14cm}
\def\marke#1{
\coordinate (M) at (-0.8,4.6);
\fill[color=lightgray] (M) circle[radius=0.3];
\draw (M) circle[radius=0.3];
\node at (M) {#1};
}
\definecolor{darkgreen}{rgb}{0,0.6,0}
\begin{document}
\begin{tikzpicture}[>=latex,thick]
\fill[color=blue!10] (-5.7,-14.5) rectangle (2.6,5.0);
\fill[color=darkgreen!10] (2.6,-14.5) rectangle (11.1,5.0);
\draw[dashed,line width=2pt,color=lightgray] (2.6,4.4) -- (2.6,-14.3);
\coordinate (B) at (2.6,-1.3);
\node[color=gray] at (B) [rotate=90,above] {Zeitbereich\strut};
\node[color=gray] at (B) [rotate=90,below] {Frequenzbereich\strut};
\begin{scope}[xshift=-\xverschiebung,yshift=0cm]
\begin{axis}
[title = {\large Signal\strut},
xtick={0,32,64,96},
axis background/.style={fill=white},
width=\plotwidth,height=\plotheight]
\addplot[blue,line width=1pt] table[col sep=comma]
{tikz/signal.txt};
\end{axis}
\marke{1}
\end{scope}
\begin{scope}[xshift=\xverschiebung,yshift=0cm]
\begin{axis}[axis x line= none, axis y line*=right,ytick={0},
axis background/.style={fill=white},
width=\plotwidth,height=\plotheight]
\addplot[color=white] {0};
\end{axis}
\begin{axis}[title = {\large Codiert\strut}, axis y line*=left,
xtick={0,32,64,96},
axis background/.style={fill=white},
width=\plotwidth,height=\plotheight]
\addplot[color=black!60!green,line width=1pt]
table[col sep=comma]
{tikz/codiert.txt};
\end{axis}
\marke{2}
\draw[->,line width=1pt] (3,-0.4) -- node[right] {Übertragung} (3,-2.2);
\end{scope}
\definecolor{pink}{rgb}{0.6,0.2,1}
\begin{scope}[xshift=-\xverschiebung,yshift=\yverschiebung]
%\fill[color=pink!20] (4.65,0.35) ellipse (1.1cm and 0.5cm);
\begin{axis}[title = {\large Decodiert\strut},
xtick={0,32,64,96},
axis background/.style={fill=white},
width=\plotwidth,height=\plotheight]
\addplot[blue,line width=1pt]
table[col sep=comma] {tikz/decodiert.txt};
\end{axis}
\marke{4}
\draw[color=pink] (4.65,0.35) ellipse (1.1cm and 0.5cm);
\draw[->,color=pink,line width=1pt]
(4.65,-0.15) to[out=-90,in=90] (3,-2.2);
\end{scope}
\begin{scope}[xshift=\xverschiebung,yshift=\yverschiebung]
\begin{axis}[title = {\large Empfangen {\color{red} mit Fehler}\strut},
xtick={0,96},
axis background/.style={fill=white},
axis y line*=left,
width=\plotwidth,height=\plotheight]
\addplot[color=black!60!green,line width=1pt]
table[col sep=comma]
{tikz/empfangen.txt};
\end{axis}
\begin{axis}[xtick={6,20,74}, axis y line*=right,
width=\plotwidth,height=\plotheight]
\addplot[red,line width=1pt]
table[col sep=comma] {tikz/fehler.txt};
\end{axis}
\marke{3}
\end{scope}
\begin{scope}[xshift=-\xverschiebung,yshift=\yyverschiebung]
\begin{axis}[title = {\large \color{pink}Syndrom\strut},
xtick={0,32,64,96},
axis background/.style={fill=white},
width=\plotwidth,height=\plotheight]
\addplot[pink,line width=1pt]
table[col sep=comma] {tikz/syndrom.txt};
\end{axis}
\marke{5}
\end{scope}
\begin{scope}[xshift=\xverschiebung,yshift=\yyverschiebung]
% Beschriftung Rechts
\begin{axis}[axis x line= none, axis y line*=right, ytick={0.3},
xtick={0,32,64,96},
axis background/.style={fill=white},
width=\plotwidth,height=\plotheight]
\addplot[color=black!60,line width=1pt] {0.3};
\end{axis}
\begin{axis}[title = {\large Locator\strut},axis y line*=left,
xtick={0,6,20,74,96},
width=\plotwidth,height=\plotheight]
\addplot[gray,line width=1pt]
table[col sep=comma] {tikz/locator.txt};
\end{axis}
\marke{6}
\end{scope}
% Fourier-Transformations-Pfeile
\draw[->,line width=1pt] (1.8,2) -- node[above] {DFT\strut} (3.8,2);
\begin{scope}[yshift=\yverschiebung]
\draw[<-,line width=1pt] (1.8,2) -- node[above] {DFT$\mathstrut^{-1}$} (3.8,2);
\end{scope}
\begin{scope}[yshift=\yyverschiebung]
\draw[->,line width=1pt] (1.8,2) -- node[above] {DFT\strut} (3.8,2);
\end{scope}
\end{tikzpicture}
\end{document}
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