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-rw-r--r--buch/papers/reedsolomon/RS presentation/images/polynom1 - Kopie.tex33
-rw-r--r--buch/papers/reedsolomon/dtf.tex20
-rw-r--r--buch/papers/reedsolomon/einleitung.tex10
-rw-r--r--buch/papers/reedsolomon/experiments/codiert.txt96
-rw-r--r--buch/papers/reedsolomon/experiments/decodiert.txt96
-rw-r--r--buch/papers/reedsolomon/experiments/empfangen.txt96
-rw-r--r--buch/papers/reedsolomon/experiments/f.m21
-rw-r--r--buch/papers/reedsolomon/experiments/fehler.txt96
-rw-r--r--buch/papers/reedsolomon/experiments/locator.txt96
-rw-r--r--buch/papers/reedsolomon/experiments/plot.tex91
-rw-r--r--buch/papers/reedsolomon/experiments/signal.txt96
-rw-r--r--buch/papers/reedsolomon/experiments/syndrom.txt96
-rw-r--r--buch/papers/reedsolomon/idee.tex78
-rw-r--r--buch/papers/reedsolomon/images/codiert.txt96
-rw-r--r--buch/papers/reedsolomon/images/decodiert.txt96
-rw-r--r--buch/papers/reedsolomon/images/empfangen.txt96
-rw-r--r--buch/papers/reedsolomon/images/fehler.txt96
-rw-r--r--buch/papers/reedsolomon/images/locator.txt96
-rw-r--r--buch/papers/reedsolomon/images/plotfft.tex77
-rw-r--r--buch/papers/reedsolomon/images/polynom2.tex49
-rw-r--r--buch/papers/reedsolomon/images/signal.txt96
-rw-r--r--buch/papers/reedsolomon/images/syndrom.txt96
-rw-r--r--buch/papers/reedsolomon/main.tex2
-rw-r--r--buch/papers/reedsolomon/packages.tex2
-rw-r--r--buch/papers/reedsolomon/teil2.tex40
25 files changed, 1684 insertions, 83 deletions
diff --git a/buch/papers/reedsolomon/RS presentation/images/polynom1 - Kopie.tex b/buch/papers/reedsolomon/RS presentation/images/polynom1 - Kopie.tex
new file mode 100644
index 0000000..038e93e
--- /dev/null
+++ b/buch/papers/reedsolomon/RS presentation/images/polynom1 - Kopie.tex
@@ -0,0 +1,33 @@
+% polynome1
+%-------------------
+\documentclass[tikz]{standalone}
+\usepackage{amsmath}
+\usepackage{times}
+\usepackage{txfonts}
+\usepackage{pgfplots}
+\usepackage{csvsimple}
+\usetikzlibrary{arrows,intersections,math}
+\newcommand{\teiler}{40}
+\begin{document}
+
+
+\begin{tikzpicture}[>=latex,thick]
+
+ \begin{axis}[
+ axis lines = left,
+ xlabel = \(x\),
+ ylabel = {\(f(x)\)},
+ ]
+ %Below the red parabola is defined
+ \addplot[
+ color=blue,
+ ]
+ coordinates {
+ (0,23.1)(10,27.5)(20,32)(30,37.8)(40,44.6)(60,61.8)(80,83.8)(100,114)
+ };
+ %Here the blue parabola is defined
+
+ \end{axis}
+\end{tikzpicture}
+\end{document}
+
diff --git a/buch/papers/reedsolomon/dtf.tex b/buch/papers/reedsolomon/dtf.tex
index 025be3a..27c6150 100644
--- a/buch/papers/reedsolomon/dtf.tex
+++ b/buch/papers/reedsolomon/dtf.tex
@@ -3,13 +3,17 @@
%
% (c) 2020 Prof Dr Andreas Müller, Hochschule Rapperswil
%
-\section{Diskrete Fourien Transformation
+\section{Diskrete Fourier Transformation
\label{reedsolomon:section:dtf}}
\rhead{Umwandlung mit DTF}
Um die Polynominterpolation zu umgehen, gehen wir nun über in die Fourientransformation.
Dies wird weder eine erklärung der Forientransorfmation noch ein genauer gebrauch
für den Reed-Solomon-Code. Dieser Abschnitt zeigt nur wie die Fourientransformation auf Fehler reagiert.
-wobei sie dann bei späteren Berchnungen ganz nütlich ist.
+wobei sie dann bei späteren Berchnungen ganz nützlich ist.
+
+\subsection{Diskrete Fourientransformation Zusamenhang
+\label{reedsolomon:subsection:dtfzusamenhang}}
+Die Diskrete Fourientransformation ist definiert als
\subsection{Übertragungsabfolge
\label{reedsolomon:subsection:Übertragungsabfolge}}
@@ -22,9 +26,9 @@ Kommen nuun drei Fehler... hinzu zu diesem codierten Signal sind diese nicht zu
Nach dem Empfangen... und decodieren ... erkennt man die fehlerhafte information in den Punkten 64 bis 100.
Filtert man nur diese Punkte heraus und Transformiert sie mit Fourier erhält man die stellen an denen die Fehler sich eingeschlichen haben.
-\subsection{Diskrete Fourientransformation Zusamenhang
-\label{reedsolomon:subsection:dtfzusamenhang}}
-Die Diskrete Fourientransformation ist definiert als
-....
-
-
+\begin{figure}
+ \centering
+ %\input{papers/reedsolomon/images/plotfft.tex}
+ \caption{Übertragungsabfolge \ref{reedsolomon:subsection:Übertragungsabfolge}}
+ \label{fig:sendorder}
+\end{figure} \ No newline at end of file
diff --git a/buch/papers/reedsolomon/einleitung.tex b/buch/papers/reedsolomon/einleitung.tex
index 3d40db1..2b1d878 100644
--- a/buch/papers/reedsolomon/einleitung.tex
+++ b/buch/papers/reedsolomon/einleitung.tex
@@ -6,13 +6,13 @@
\section{Einleitung
\label{reedsolomon:section:einleitung}}
\rhead{Einleitung}
-Der Reed-Solomon-Code ist entstaden im ... vom .. um,
-das Problem der Daten Übertragung zu lösen.
-In deiesem Abschnitt wird möglichst verständlich die mathematische Abfolge, Funktion oder Algorithmus erklärt.
+Der Reed-Solomon-Code ist entstanden um,
+das Problem der Fehler, bei der Datenübertragung, zu lösen.
+In diesem Abschnitt wird möglichst verständlich die mathematische Abfolge, Funktion oder Algorithmus erklärt.
Es wird jedoch nicht auf die technische Umsetzung oder Implementierung eingegangen.
-Um beim Daten Übertragen fehler zu erkennen könnte man die Daten jeweils doppelt senden,
+Um beim Datenübertragen Fehler zu erkennen, könnte man die Daten jeweils doppelt senden,
und so jeweilige Fehler zu erkennen.
-Doch dies braucht schnell unmengen an Daten, wenn man nach vielen Fehler absichern möchte.
+Doch nur schon um weinige Fehler zu erkennen werden überproportional viele Daten doppelt und dreifach gesendet.
Der Reed-Solomon-Code macht dies auf eine andere, clevere Weise.
diff --git a/buch/papers/reedsolomon/experiments/codiert.txt b/buch/papers/reedsolomon/experiments/codiert.txt
new file mode 100644
index 0000000..4a481d8
--- /dev/null
+++ b/buch/papers/reedsolomon/experiments/codiert.txt
@@ -0,0 +1,96 @@
+0,284
+1,131.570790435043
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diff --git a/buch/papers/reedsolomon/experiments/decodiert.txt b/buch/papers/reedsolomon/experiments/decodiert.txt
new file mode 100644
index 0000000..f6221e6
--- /dev/null
+++ b/buch/papers/reedsolomon/experiments/decodiert.txt
@@ -0,0 +1,96 @@
+0,6.05208333333333
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diff --git a/buch/papers/reedsolomon/experiments/empfangen.txt b/buch/papers/reedsolomon/experiments/empfangen.txt
new file mode 100644
index 0000000..38c13b0
--- /dev/null
+++ b/buch/papers/reedsolomon/experiments/empfangen.txt
@@ -0,0 +1,96 @@
+0,284
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diff --git a/buch/papers/reedsolomon/experiments/f.m b/buch/papers/reedsolomon/experiments/f.m
index 6bdc741..bf2587c 100644
--- a/buch/papers/reedsolomon/experiments/f.m
+++ b/buch/papers/reedsolomon/experiments/f.m
@@ -1,8 +1,8 @@
-#
-# f.m -- Reed-Solomon-Visualisierung mit FFT
-#
-# (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule
-#
+%
+% f.m -- Reed-Solomon-Visualisierung mit FFT
+%
+% (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule
+
N = 64;
b = 32;
l = N + b;
@@ -51,6 +51,7 @@ syndrom(1:N,1) = zeros(N,1)
plot(abs(syndrom));
xlim([1, l]);
title("Syndrom");
+
pause()
locator = abs(fft(syndrom))
@@ -59,3 +60,13 @@ plot(locator);
xlim([1, l]);
title("Locator");
pause()
+
+
+writematrix([transpose(counter), abs(signal)], 'signal.txt')
+writematrix([transpose(counter), abs(codiert)], 'codiert.txt')
+writematrix([transpose(counter), fehler], 'fehler.txt')
+writematrix([transpose(counter), abs(empfangen)], 'empfangen.txt')
+writematrix([transpose(counter), abs(decodiert)], 'decodiert.txt')
+writematrix([transpose(counter), abs(syndrom)], 'syndrom.txt')
+writematrix([transpose(counter), locator], 'locator.txt')
+
diff --git a/buch/papers/reedsolomon/experiments/fehler.txt b/buch/papers/reedsolomon/experiments/fehler.txt
new file mode 100644
index 0000000..23f1a83
--- /dev/null
+++ b/buch/papers/reedsolomon/experiments/fehler.txt
@@ -0,0 +1,96 @@
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diff --git a/buch/papers/reedsolomon/experiments/locator.txt b/buch/papers/reedsolomon/experiments/locator.txt
new file mode 100644
index 0000000..b28988c
--- /dev/null
+++ b/buch/papers/reedsolomon/experiments/locator.txt
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diff --git a/buch/papers/reedsolomon/experiments/plot.tex b/buch/papers/reedsolomon/experiments/plot.tex
new file mode 100644
index 0000000..bf9aadc
--- /dev/null
+++ b/buch/papers/reedsolomon/experiments/plot.tex
@@ -0,0 +1,91 @@
+% 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}
+
+\tikzset{
+ node/.style={rectangle, draw=black!100, thick, on grid}, % on grid added
+ dangling node/.style={node, fill=black!30}
+}
+\begin{tikzpicture}[]
+
+\filldraw[red] (0,0) circle (5mm);
+ %Knote
+\matrix[draw = none, column sep=20mm, row sep=20mm]{
+ \node(signal) [] {
+ \begin{tikzpicture}
+ \begin{axis}[title = {\Large {Signal}}]
+ \addplot[] 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[] table[col sep=comma] {fehler.txt};
+ \end{axis}
+ \end{tikzpicture}};\\
+
+ \node(decodiert) [] {
+ \begin{tikzpicture}
+ \begin{axis}[title = {\Large {Decodiert}}]
+ \addplot[] 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[] 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] (0,15) to (0,-15);
+ \node(FFT) [ scale=0.7] at (0,15.3) {FFT IFFT};
+
+ %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);
+
+
+ \end{tikzpicture}
+\end{document}
+
diff --git a/buch/papers/reedsolomon/experiments/signal.txt b/buch/papers/reedsolomon/experiments/signal.txt
new file mode 100644
index 0000000..c4fa5f8
--- /dev/null
+++ b/buch/papers/reedsolomon/experiments/signal.txt
@@ -0,0 +1,96 @@
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diff --git a/buch/papers/reedsolomon/experiments/syndrom.txt b/buch/papers/reedsolomon/experiments/syndrom.txt
new file mode 100644
index 0000000..8ca9eed
--- /dev/null
+++ b/buch/papers/reedsolomon/experiments/syndrom.txt
@@ -0,0 +1,96 @@
+0,0
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diff --git a/buch/papers/reedsolomon/idee.tex b/buch/papers/reedsolomon/idee.tex
index 4a7716a..39adbbf 100644
--- a/buch/papers/reedsolomon/idee.tex
+++ b/buch/papers/reedsolomon/idee.tex
@@ -8,51 +8,81 @@
\rhead{Problemstellung}
Das Problem liegt darin Informationen, Zahlen,
zu Übertragen und Fehler zu erkennen.
-Beim Reed-Solomon-Code kann man nicht nur Fehler erkenen,
+Beim Reed-Solomon-Code kann man nicht nur Fehler erkennen,
man kann sogar einige Fehler korrigieren.
\rhead{Polynom-Ansatz}
-Eine Idee ist die Daten,
-ein Polynom zu bilden und dieses dann mit bestimmten Punkten überträgt.
+Eine Idee ist aus den Daten
+ein Polynom zu bilden.
+Diese Polynomfunktion bei bestimmten Werten, ausrechnet und diese Punkte dann überträgt.
Nehmen wir als beisbiel die Zahlen \textcolor{blue}{2}, \textcolor{blue}{1}, \textcolor{blue}{5},
welche uns dann das Polynom
\begin{equation}
p(x)
=
-2x^2 + 1x + 5
+\textcolor{blue}{2}x^2 + \textcolor{blue}{1}x + \textcolor{blue}{5}
\label{reedsolomon:equation1}
\end{equation}
ergeben.
-Übertragen werden nun die stellen 1, 2, 3\dots 7 dieses Polynomes.
-Grafisch sieht man dies dann im Abbild //TODO
-Wenn ein Fehler sich in die Übertragung eingeschlichen hatt, muss der Leser/Empfänger erkennen, welches das Richtige Polynom ist.
-Der Leser/Empfänger weiss, mit welchem Grad das Polynom entwickelt wurde.
+Übertragen werden nun die Werte an den stellen 1, 2, 3\dots 7 dieses Polynomes.
+Grafisch sieht man dies dann in Abbildung \ref{fig:polynom},
+mit den Punkten, $p(1),p(2),...,p(7) = (\textcolor{green}{8},
+\textcolor{green}{15}, \textcolor{green}{26},
+\textcolor{green}{41}, \textcolor{green}{60},
+\textcolor{green}{83}, \textcolor{green}{110})$
+Wenn ein Fehler sich in die Übertragung eingeschlichen hatt, muss der Leser/Empfänger diesen erkennen und das Polynom rekonstruieren.
+Der Leser/Empfänger weiss, den Grad des Polynoms und dessen Werte übermittelt wurden.
+
\subsection{Beispiel}
-Für das Beispeil aus der Gleichung \ref{reedsolomon:equation1},
+Für das Beispeil aus der Gleichung \eqref{reedsolomon:equation1},
ist ein Polynome zweiten Grades durch drei Punkte eindeutig bestimmbar.
-Hat es Fehler in der Übertragunge gegeben, kann man diese erkennen,
-da alle Punkte, die korrekt sind, auf dem Polynom liegen müssen.
+Hat es Fehler in der Übertragunge gegeben,(Bei Abbildung \ref{fig:polynom}\textcolor{red}{roten Punkte}) kann man diese erkennen,
+da alle Punkte, die korrekt sind, auf dem Polynom liegen müssen.
+(Bei Abbildung \ref{fig:polynom}\textcolor{green}{grünen Punkte})
Ab wie vielen Fehler ist das Polynom nicht mehr erkennbar beim Übertragen von 7 Punkten?
Bei 2 Fehlern kann man noch eindeutig bestimmen, dass das Polynom mit 4 Punkten,
-gegenüber dem mit 5 Punkten falsch liegt.
-Werden es mehr Fehler kann nur erkennt werden das das Polynom nicht stimmt.
-Das Orginale Polynom kann aber nicht mehr gefunden werden.
-Dabei sollten mehr Übertragungspunkte gegeben werden.
+gegenüber dem mit 5 Punkten falsch liegt.\ref{fig:polynom}
+Werden es mehr Fehler kann nur erkennt werden, dass das Polynom nicht stimmt.
+Das orginale Polynom kann aber nicht mehr gefunden werden.
+Dafür sind mehr übertragene Werte nötig.
+
+\begin{figure}
+ \centering
+ %\includegraphics[width=0.5\textwidth]{papers/reedsolomon/images/polynom2}
+ \input{papers/reedsolomon/images/polynom2.tex}
+ \caption{Polynom $p(x)$ \eqref{reedsolomon:equation1}}
+ \label{fig:polynom}
+\end{figure}
\section{Fehlerbestimmung
\label{reedsolomon:section:Fehlerbestimmmung}}
So wird ein Muster indentifiziert, welches genau vorherbestimmen kann,
wie gross das Polynom sein muss und wie viele Übertragungspunkte gegeben werden müssen.
-Durch ein klein wenig Überlegung ist klar das die anzahl Zahlen (Daten, ab hier verwenden wir das Wort Nutzlast),
-die dan Entschlüsselt werden sollen den Grad des Polynoms minus 1 ergeben.
+Um zu bestimmen wie viel Fehler erkennt und korriegiert werden können.
+Die Anzahl Zahlen (Daten, ab hier verwenden wir das Wort Nutzlast),
+die Entschlüsselt werden sollen, brauchen die gleiche Anzahl an Polynomgraden, beginnend bei Grad 0. ( \( k-1 \) )
Für die Anzahl an Übertragungspunkte, muss bestimmt werden wieviel Fehler erkennt und korrigiert werden sollen.
-Mit Hilfe der Tabelle.... sieht man das es bei $$t$$ Fehlern und $$k$$ Nutzlast,
-für das Übertragen $$k+2t$$ Punkte gegben werden müssen.
+Mit Hilfe der Tabelle, sieht man das es bei $t$ Fehlern und $k$ Nutzlast Zahlen,
+$k+2t$ Punkte übertragen werden müssen.
-Ein toller Nebeneffekt ist das dadurch auch $$2t$$ Fehler erkannt werden.
-um zurück auf unser Beispiel zu kommen,
-können von den 7 Übertragungspunkten bis zu $$2t = 2*2 = 4 $$ Punkten falsch liegen
-und es wird kein eindeutiges Polynom 2ten Grades erkannt, und somit die Nutzlast Daten als fehlerhaft deklariert.
+\begin{center}
+ \begin{tabular}{ c c c }
+ \hline
+ Nutzlas & Fehler & Übertragen \\
+ \hline
+ 3 & 2 & 7 Werte eines Polynoms vom Grad 2 \\
+ 4 & 2 & 8 Werte eines Polynoms vom Grad 3 \\
+ 3 & 3 & 9 Werte eines Polynoms vom Grad 2 \\
+ \hline
+ $k$ & $t$ & $k+2t$ Werte eines Polynoms vom Grad $k-1$ \\
+ \hline
+ \end{tabular}
+\end{center}
-Ein Polynom durch Punkt mit Polynom Interpolation zu rekonstruieren ist schwierig und Fehleranfällig.
+Ein toller Nebeneffekt ist das dadurch auch $2t$ Fehler erkannt werden.
+Um zurück auf unser Beispiel zu kommen,
+können von den 7 Übertragungspunkten bis zu $2t = 2\cdot2 = 4 $ Punkten falsch liegen
+und es wird kein eindeutiges Polynom zweiten Grades erkannt, und somit die Nutzlast Daten als fehlerhaft deklariert.
+Um aus den Übertragenen Zahlen wieder die Nutzlastzahlen zu bekommen könnte man eine Polynominterpolation anwenden,
+doch die Punkte mit Polynominterpolation zu einem Polynom zu rekonstruieren ist schwierig und Fehleranfällig.
diff --git a/buch/papers/reedsolomon/images/codiert.txt b/buch/papers/reedsolomon/images/codiert.txt
new file mode 100644
index 0000000..4a481d8
--- /dev/null
+++ b/buch/papers/reedsolomon/images/codiert.txt
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diff --git a/buch/papers/reedsolomon/images/decodiert.txt b/buch/papers/reedsolomon/images/decodiert.txt
new file mode 100644
index 0000000..f6221e6
--- /dev/null
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diff --git a/buch/papers/reedsolomon/images/empfangen.txt b/buch/papers/reedsolomon/images/empfangen.txt
new file mode 100644
index 0000000..38c13b0
--- /dev/null
+++ b/buch/papers/reedsolomon/images/empfangen.txt
@@ -0,0 +1,96 @@
+0,284
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diff --git a/buch/papers/reedsolomon/images/fehler.txt b/buch/papers/reedsolomon/images/fehler.txt
new file mode 100644
index 0000000..23f1a83
--- /dev/null
+++ b/buch/papers/reedsolomon/images/fehler.txt
@@ -0,0 +1,96 @@
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diff --git a/buch/papers/reedsolomon/images/locator.txt b/buch/papers/reedsolomon/images/locator.txt
new file mode 100644
index 0000000..b28988c
--- /dev/null
+++ b/buch/papers/reedsolomon/images/locator.txt
@@ -0,0 +1,96 @@
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diff --git a/buch/papers/reedsolomon/images/plotfft.tex b/buch/papers/reedsolomon/images/plotfft.tex
new file mode 100644
index 0000000..e6d3b47
--- /dev/null
+++ b/buch/papers/reedsolomon/images/plotfft.tex
@@ -0,0 +1,77 @@
+%
+% Plot der èbertrangungsabfolge ins FFT und zurück mit IFFT
+%
+\tikzset{
+ node/.style={rectangle, draw=black!100, thick, on grid}, % on grid added
+ dangling node/.style={node, fill=black!30}
+}
+\begin{tikzpicture}[]
+
+%---------------------------------------------------------------
+ %Knote
+\matrix[draw = none, column sep=20mm, row sep=20mm]{
+ \node(signal) [] {
+ \begin{tikzpicture}
+ \begin{axis}[title = {\Large {Signal}}]
+ \addplot[] 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[] table[col sep=comma] {fehler.txt};
+ \end{axis}
+ \end{tikzpicture}};\\
+
+ \node(decodiert) [] {
+ \begin{tikzpicture}
+ \begin{axis}[title = {\Large {Decodiert}}]
+ \addplot[] 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[] 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] (0,15) to (0,-15);
+ \node(FFT) [ scale=0.7] at (0,15.3) {FFT IFFT};
+
+ %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);
+
+ \end{tikzpicture} \ No newline at end of file
diff --git a/buch/papers/reedsolomon/images/polynom2.tex b/buch/papers/reedsolomon/images/polynom2.tex
new file mode 100644
index 0000000..288b51c
--- /dev/null
+++ b/buch/papers/reedsolomon/images/polynom2.tex
@@ -0,0 +1,49 @@
+% polynome
+%-------------------
+% Teiler für das Skalieren der Grafik /40
+\newcommand{\teiler}{40}
+
+
+%//////////////////////////////////////
+
+\begin{tikzpicture}[>=latex,thick]
+ \draw[color=blue, line width=1.4pt]
+ plot[domain=0:8, samples=100]
+ ({\x},{(2*\x^2+1*\x+5)/\teiler});
+
+ \draw[->] (-0.2,0) -- (8,0) coordinate[label={$x$}];
+ \draw[->] (0,-0.2) -- (0,150/\teiler) coordinate[label={right:$p(x)$}];
+
+ \def\punkt#1{
+ \fill[color=green] #1 circle[radius=0.08];
+ \draw #1 circle[radius=0.07];
+ }
+
+ \def\hellpunkt#1{
+ \fill[color=lightgray] #1 circle[radius=0.08];
+ \draw #1 circle[radius=0.07];
+ }
+
+ \punkt{(1,8/\teiler)}
+ \hellpunkt{(2,15/\teiler)}
+ \hellpunkt{(3,26/\teiler)}
+ \punkt{(4,41/\teiler)}
+ \punkt{(5,60/\teiler)}
+ \punkt{(6,83/\teiler)}
+ \punkt{(7,110/\teiler)}
+
+ \draw[color=gray,line width=1pt,dashed]
+ plot[domain=0.5:7, samples=100]
+ ({\x},{(7.832*\x^2-51.5*\x+121.668)/\teiler});
+
+ \def\erpunkt#1{
+ \fill[color=red] #1 circle[radius=0.08];
+ \draw #1 circle[radius=0.07];
+ }
+ \erpunkt{(2,50/\teiler)}
+ \erpunkt{(3,37.66/\teiler)}
+
+ \draw(0,100/\teiler) -- (-0.1,100/\teiler) coordinate[label={left:$100$}];
+ \draw(1,0) -- (1,-0.1) coordinate[label={below:$1$}];
+\end{tikzpicture}
+%\end{document}
diff --git a/buch/papers/reedsolomon/images/signal.txt b/buch/papers/reedsolomon/images/signal.txt
new file mode 100644
index 0000000..c4fa5f8
--- /dev/null
+++ b/buch/papers/reedsolomon/images/signal.txt
@@ -0,0 +1,96 @@
+0,6
+1,6
+2,0
+3,6
+4,4
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diff --git a/buch/papers/reedsolomon/images/syndrom.txt b/buch/papers/reedsolomon/images/syndrom.txt
new file mode 100644
index 0000000..8ca9eed
--- /dev/null
+++ b/buch/papers/reedsolomon/images/syndrom.txt
@@ -0,0 +1,96 @@
+0,0
+1,0
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diff --git a/buch/papers/reedsolomon/main.tex b/buch/papers/reedsolomon/main.tex
index a400508..e68b947 100644
--- a/buch/papers/reedsolomon/main.tex
+++ b/buch/papers/reedsolomon/main.tex
@@ -30,7 +30,7 @@ Bilden Sie auch für Formeln kurze Zeilen, einerseits der besseren
% Joshua
\input{papers/reedsolomon/einleitung.tex}
\input{papers/reedsolomon/idee.tex}
-\input{papers/reedsolomon/teil2.tex}
+%\input{papers/reedsolomon/teil2.tex}
\input{papers/reedsolomon/dtf.tex}
% Michael
diff --git a/buch/papers/reedsolomon/packages.tex b/buch/papers/reedsolomon/packages.tex
index 3643731..4b1ee68 100644
--- a/buch/papers/reedsolomon/packages.tex
+++ b/buch/papers/reedsolomon/packages.tex
@@ -8,3 +8,5 @@
% following example
%\usepackage{packagename}
+\usepackage{pgfplots}
+
diff --git a/buch/papers/reedsolomon/teil2.tex b/buch/papers/reedsolomon/teil2.tex
deleted file mode 100644
index b2adc9f..0000000
--- a/buch/papers/reedsolomon/teil2.tex
+++ /dev/null
@@ -1,40 +0,0 @@
-%
-% teil2.tex -- Beispiel-File für teil2
-%
-% (c) 2020 Prof Dr Andreas Müller, Hochschule Rapperswil
-%
-\section{Teil 2
-\label{reedsolomon:section:teil2}}
-\rhead{Teil 2}
-Sed ut perspiciatis unde omnis iste natus error sit voluptatem
-accusantium doloremque laudantium, totam rem aperiam, eaque ipsa
-quae ab illo inventore veritatis et quasi architecto beatae vitae
-dicta sunt explicabo. Nemo enim ipsam voluptatem quia voluptas sit
-aspernatur aut odit aut fugit, sed quia consequuntur magni dolores
-eos qui ratione voluptatem sequi nesciunt. Neque porro quisquam
-est, qui dolorem ipsum quia dolor sit amet, consectetur, adipisci
-velit, sed quia non numquam eius modi tempora incidunt ut labore
-et dolore magnam aliquam quaerat voluptatem. Ut enim ad minima
-veniam, quis nostrum exercitationem ullam corporis suscipit laboriosam,
-nisi ut aliquid ex ea commodi consequatur? Quis autem vel eum iure
-reprehenderit qui in ea voluptate velit esse quam nihil molestiae
-consequatur, vel illum qui dolorem eum fugiat quo voluptas nulla
-pariatur?
-
-\subsection{De finibus bonorum et malorum
-\label{reedsolomon:subsection:bonorum}}
-At vero eos et accusamus et iusto odio dignissimos ducimus qui
-blanditiis praesentium voluptatum deleniti atque corrupti quos
-dolores et quas molestias excepturi sint occaecati cupiditate non
-provident, similique sunt in culpa qui officia deserunt mollitia
-animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis
-est et expedita distinctio. Nam libero tempore, cum soluta nobis
-est eligendi optio cumque nihil impedit quo minus id quod maxime
-placeat facere possimus, omnis voluptas assumenda est, omnis dolor
-repellendus. Temporibus autem quibusdam et aut officiis debitis aut
-rerum necessitatibus saepe eveniet ut et voluptates repudiandae
-sint et molestiae non recusandae. Itaque earum rerum hic tenetur a
-sapiente delectus, ut aut reiciendis voluptatibus maiores alias
-consequatur aut perferendis doloribus asperiores repellat.
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