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% polynome1
%-------------------
\documentclass[tikz]{standalone}
\usepackage{amsmath}
\usepackage{times}
\usepackage{txfonts}
\usepackage{pgfplots}
\usepackage{csvsimple}
\usepackage{pgfplotstable}
\usepackage{filecontents}
\usetikzlibrary{arrows,intersections,math}
\newcommand{\x}{10}
\newcommand{\y}{-8}
\begin{document}
\begin{tikzpicture}[]
%---------------------------------------------------------------
%Knote
\matrix[draw = none, column sep=20mm, row sep=4mm]{
\node(signal) [] {
\begin{tikzpicture}
\begin{axis}[
title = {\Large {Signal}},
xlabel={Anzahl Übertragene Zahlen},
xtick={0,20,40,64,80,98},]
\addplot[blue] table[col sep=comma] {signal.txt};
\end{axis}
\end{tikzpicture}}; &
\node(codiert) [] {
\begin{tikzpicture}
\begin{axis}[title = {\Large {Codiert}}]
\addplot[] table[col sep=comma] {codiert.txt};
\end{axis}
\end{tikzpicture}}; \\
&\node(fehler) [] {
\begin{tikzpicture}
\begin{axis}[scale=0.6, title = {\Large {Fehler}}]
\addplot[red] table[col sep=comma] {fehler.txt};
\end{axis}
\end{tikzpicture}};\\
\node(decodiert) [] {
\begin{tikzpicture}
\begin{axis}[title = {\Large {Decodiert}}]
\addplot[blue] table[col sep=comma] {decodiert.txt};
\end{axis}
\end{tikzpicture}}; &
\node(empfangen) [] {
\begin{tikzpicture}
\begin{axis}[title = {\Large {Empfangen}}]
\addplot[] table[col sep=comma] {empfangen.txt};
\end{axis}
\end{tikzpicture}};\\
\node(syndrom) [] {
\begin{tikzpicture}
\begin{axis}[title = {\Large {Syndrom}}]
\addplot[blue] table[col sep=comma] {syndrom.txt};
\end{axis}
\end{tikzpicture}}; &
\node(locator) [] {
\begin{tikzpicture}
\begin{axis}[title = {\Large {Locator}}]
\addplot[] table[col sep=comma] {locator.txt};
\end{axis}
\end{tikzpicture}};\\
};
%-------------------------------------------------------------
%FFT & IFFT deskription
\draw[thin,gray,dashed] (0,12) to (0,-12);
\node(IFFT) [scale=0.7] at (0,12.3) {IFFT};
\draw[<-](IFFT.south west)--(IFFT.south east);
\node(FFT) [scale=0.7, above of=IFFT] {FFT};
\draw[->](FFT.north west)--(FFT.north east);
\draw[thick, ->,] (fehler.west)++(-1,0) +(0.05,0.5) -- +(-0.1,-0.1) -- +(0.1,0.1) -- +(0,-0.5);
%Arrows
\draw[ultra thick, ->] (signal.east) to (codiert.west);
\draw[ultra thick, ->] (codiert.south) to (fehler.north);
\draw[ultra thick, ->] (fehler.south) to (empfangen.north);
\draw[ultra thick, ->] (empfangen.west) to (decodiert.east);
\draw[ultra thick, ->] (syndrom.east) to (locator.west);
\draw(decodiert.south east)++(-1.8,1) ellipse (1.3cm and 0.8cm) ++(-1.3,0) coordinate(zoom) ;
\draw[ultra thick, ->] (zoom) to[out=180, in=90] (syndrom.north);
%item
\node[circle, draw, fill =lightgray] at (signal.north west) {1};
\node[circle, draw, fill =lightgray] at (codiert.north west) {2};
\node[circle, draw, fill =lightgray] at (fehler.north west) {3};
\node[circle, draw, fill =lightgray] at (empfangen.north west) {4};
\node[circle, draw, fill =lightgray] at (decodiert.north west) {5};
\node[circle, draw, fill =lightgray] at (syndrom.north west) {6};
\node[circle, draw, fill =lightgray] at (locator.north west) {7};
\end{tikzpicture}
\end{document}
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