doc-src/isac/jrocnik/present-1.tex
author jrocnik
Fri, 22 Jul 2011 10:20:24 +0200
branchdecompose-isar
changeset 42159 9d8a198bb471
parent 42158 27b410571774
child 42163 3bf084f80641
permissions -rwxr-xr-x
tuned
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\documentclass{beamer}
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\mode<presentation>
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{
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  \usetheme{Hannover}
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  \setbeamercovered{transparent}
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}
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%\usepackage{setspace} %for "\begin{onehalfspace}"
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\usepackage[english]{babel}
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% or whatever
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\usepackage[utf8]{inputenc}
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% or whatever
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\usepackage{times}
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\usepackage[T1]{fontenc}
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% Or whatever. Note that the encoding and the font should match. If T1
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% does not look nice, try deleting the line with the fontenc.
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\def\isac{${\cal I}\mkern-2mu{\cal S}\mkern-5mu{\cal AC}$}
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\def\sisac{{\footnotesize${\cal I}\mkern-2mu{\cal S}\mkern-5mu{\cal AC}$}}
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\title[TODO] % (optional, use only with long paper titles)
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{TODO}
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\subtitle{TODO}
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\author[Rocnik] % (optional, use only with lots of authors)
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{Jan~Rocnik}
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% - Give the names in the same order as the appear in the paper.
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% - Use the \inst{?} command only if the authors have different
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%   affiliation.
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\institute % (optional, but mostly needed)
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{
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  Technische Universit\"at Graz\\
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  Institut f\"ur TODO
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}
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% - Use the \inst command only if there are several affiliations.
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% - Keep it simple, no one is interested in your street address.
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% \date[CFP 2003] % (optional, should be abbreviation of conference name)
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% {Conference on Fabulous Presentations, 2003}
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% - Either use conference name or its abbreviation.
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% - Not really informative to the audience, more for people (including
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%   yourself) who are reading the slides online
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% \subject{Theoretical Computer Science}
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% This is only inserted into the PDF information catalog. Can be left
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% out.
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% If you have a file called "university-logo-filename.xxx", where xxx
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% is a graphic format that can be processed by latex or pdflatex,
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% resp., then you can add a logo as follows:
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% \pgfdeclareimage[height=0.5cm]{university-logo}{university-logo-filename}
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% \logo{\pgfuseimage{university-logo}}
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% Delete this, if you do not want the table of contents to pop up at
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% the beginning of each subsection:
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\AtBeginSubsection[]
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{
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  \begin{frame}<beamer>{Outline}
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    \tableofcontents[currentsection,currentsubsection]
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  \end{frame}
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}
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% If you wish to uncover everything in a step-wise fashion, uncomment
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% the following command:
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%\beamerdefaultoverlayspecification{<+->}
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\begin{document}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												Title Page                             %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}
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  \titlepage
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												Table of Contents                      %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}{Outline}
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  \tableofcontents
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  % You might wish to add the option [pausesections]
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%---------------------------------------------------------------%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\section[Fourier]{Fourier transform}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												Fourier INTRO                          %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}\frametitle{Fourier Transformation: Introduction}
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\begin{itemize}
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\item Transform operation by using property-tables $\rightarrow$ \emph{easy}
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\item Transform operation by using integral $\rightarrow$ \emph{difficult}
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\item No math \emph{tricks}
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\item Important: Visualisation?!
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\end{itemize}
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\end{frame}
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\subsection[simple]{Fourier transform Example 1}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												Transform expl 1 SPEC                  %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}\frametitle{Fourier Transform 1: Specification}
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{\footnotesize\it
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Fourier Transform
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\begin{tabbing}
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1\=postcond \=: \= \= $\;\;\;\;$\=\kill
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\>given    \>:\>  Time continiues, not periodic Signal \\
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\>         \> \>  \>$(x (t::real), exp(-\,(\alpha::real\,+\,\alpha::imag)\,*\,t::real)*u(t::real))$\\
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\>precond  \>:\>  TODO\\
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\>find     \>:\>  $X(j\cdot\omega)$\\
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\>postcond \>:\>  TODO\\
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\end{tabbing}
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}
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												Transform expl 1 CALC                  %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}\frametitle{Fourier Transformation 1: Calculation}
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TODO: Bernhard fragen ob Tabelle oder Rechnung
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												Transform expl 1 REQ                  %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}\frametitle{Fourier Transform 1: Development effort}
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{\small
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\begin{center}
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\begin{tabular}{l|l|r}
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requirements            & comments             &effort\\ \hline\hline
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solving Intrgrals		    & simple via propertie table     &     20\\
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                        & \emph{real}          &    MT\\ \hline
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transformation table    & simple transform     &    20\\ \hline
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example collection      & with explanations    &    20\\ \hline\hline
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                        &                      & 60-80\\
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\end{tabular}
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\end{center}
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effort --- in 45min units\\
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MT --- thesis ``Integrals'' (mathematics)
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}
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\end{frame}
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\subsection[difficult]{Fourier transform Example 2}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%										Transform expl 2 SPEC                      %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}\frametitle{Fourier Transform 2: Specification}
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{\footnotesize\it
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\textbf{(a)} Determine the fourier transform for the given rectangular impulse:
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\begin{center}
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$x(t)= \left\{
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     \begin{array}{lr}
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       1 & -1\leq t\geq1\\
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       0 & else
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     \end{array}
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   \right.$
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\end{center}
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\begin{tabbing}
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1\=postcond \=: \= \= $\;\;\;\;$\=\kill
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\>given    \>:\>  piecewise\_function \\
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\>         \> \>  \>$(x (t::real), [(0,-\infty<t<1), (1,1\leq t\leq 3), (0, 3<t<\infty)])$\\
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                        %?(iterativer) datentyp in Isabelle/HOL
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\>         \> \>  translation $T=2$\\
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\>precond  \>:\>  TODO\\
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\>find     \>:\>  $X(j\cdot\omega)$\\
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\>postcond \>:\>  TODO\\
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\end{tabbing}
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}
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												Transform expl  2 CALC                 %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%\begin{frame}\frametitle{Fourier Transform 2: Calculation}
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%\footnotesize{
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%\begin{tabbing}
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%000\=\kill
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%01 \> ${\cal F}\;(x(t-2)) =$\\
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%      \`${\cal F}\;(x(t-T)) = e^{-j\cdot\omega\cdot T}\cdot X\;j\cdot\omega$\\
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%02 \> $e^{-j\cdot\omega\cdot 2}\cdot X\;(j\cdot\omega)$\\
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%      \`definition $X\;(j\cdot\omega)$\\
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%03 \> $e^{-j\cdot\omega\cdot 2}\cdot \int_{-\infty}^\infty x\;t\;\cdot e^{-j\cdot\omega\cdot t} d t$\\
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%      \` $x\;t = 1\;{\it for}\;\{x.\;-1\leq t\;\land\;t\leq 1\}\;{\it and}\;x\;t=0\;{\it otherwise}$\\
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%04 \> $e^{-j\cdot\omega\cdot 2}\cdot \int_{-1}^1 1\cdot e^{-j\cdot\omega\cdot t} d t$\\
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%      \` $\int_a^b f\;t\;dt = \int f\;t\;dt\;|_a^b$\\
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%05 \> $e^{-j\cdot\omega\cdot 2}\cdot \int 1\cdot e^{-j\cdot\omega\cdot t} d t\;|_{-1}^1$\\
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%      %\` $\int e^{a\cdot t} = \frac{1}{a}\cdot e^{a\cdot t}$\\
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%       \` pbl: integration in $\cal C$\\
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%06 \> $e^{-j\cdot\omega\cdot 2}\cdot (\frac{1}{-j\cdot\omega}\cdot e^{-j\cdot\omega\cdot t} \;|_{-1}^1)$\\
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%      \` $f\;t\;|_a^b = f\;b-f\;a$\\
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%07 \> $e^{-j\cdot\omega\cdot 2}\cdot (\frac{1}{-j\cdot\omega}\cdot e^{-j\cdot\omega\cdot 1} -  \frac{1}{-j\cdot\omega}\cdot e^{-j\cdot\omega\cdot -1})$\\
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%\vdots\` pbl: simplification+factorization in $\cal C$\\
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%08 \> $e^{-j\cdot\omega\cdot 2}\cdot \frac{1}{-j\cdot\omega}\cdot(e^{j\cdot\omega} - e^{-j\cdot\omega})$\\
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%      \` trick~!\\
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%09 \> $e^{-j\cdot\omega\cdot 2}\cdot \frac{1}{\omega}\cdot(\frac{-e^{j\cdot\omega} + e^{-j\cdot\omega}}{j})$\\
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%      \` table\\
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%10 \> $e^{-j\cdot\omega\cdot 2}\cdot 2\cdot\frac{\sin\;\omega}{\omega}$
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%\end{tabbing}
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%}
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%\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												Transform expl 2 REQ                   %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}\frametitle{Fourier Transform 2: Development effort}
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{\small
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\begin{center}
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\begin{tabular}{l|l|r}
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requirements            & comments             &effort\\ \hline\hline
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solving Intrgrals		    & simple via propertie table     &     20\\
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                        & \emph{real}          &    MT\\ \hline
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transformation table    & simple transform     &    20\\ \hline
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visualisation						& backend							 &    10\\ \hline
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example collection      & with explanations    &    20\\ \hline\hline
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                        &                      & 70-80\\
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\end{tabular}
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\end{center}
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effort --- in 45min units\\
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MT --- thesis ``Integrals'' (mathematics)
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}
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%-----------------------------------------------------------------%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\section[Discrete time]{Discrete-time systems}
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\subsection[Convolution]{Convolution}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												DTS INTRO				                       %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}\frametitle{Convolution: Introduction}
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\begin{itemize}
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\item Calculation\ldots
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\item Visualisation\ldots
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\end{itemize}
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\begin{center}
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\ldots of parallel filter structures
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\end{center}
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												DTS SPEC				                       %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}\frametitle{Convolution: Specification}
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{\footnotesize\it
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Consider the two discrete-time, linear and time-invariant (LTI) systems with the following impulse response:
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\begin{center}
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$h_1[n]=\left(\frac{3}{5}\right)^n\cdot u[n]$\\
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$h_1[n]=\left(-\frac{2}{3}\right)^n\cdot u[n]$
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\end{center}
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The two systems are cascaded seriell. Derive the impulse respinse of the overall system $h_c[n]$.
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\begin{tabbing}
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1\=postcond \=: \= \= $\;\;\;\;$\=\kill
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\>given    \>:\>  Signals h1[n], h2[n] \\
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\>         \> \>  \>((h1 (n::real),(3/5)\textasciicircum{}n\,u(n::real)),\,(h2 (n::real),(-2/3)\textasciicircum{}n\,u(n::real)))\\
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                        %?(iterativer) datentyp in Isabelle/HOL
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\>precond  \>:\>  TODO\\
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\>find     \>:\>  $h1[n]\,*\,h2[n]$\\
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\>postcond \>:\>  TODO\\
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\end{tabbing}
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}
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												DTS CALC				                       %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%\begin{frame}\frametitle{Convolution: Calculation}
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%TODO
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%\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												DTS REQ  				                       %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}\frametitle{Convolution: Development effort}
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{\small
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\begin{center}
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\begin{tabular}{l|l|r}
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requirements            & comments             &effort\\ \hline\hline
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simplify rationals      & \sisac               &     0\\ \hline
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define $\sum\limits_{i=0}^{n}i$ & partly \sisac  &    10\\ \hline
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simplify sum			      & termorder            &    10\\
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                        & simplify rules       &    20\\
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                        & use simplify rationals&     0\\ \hline
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index adjustments       & with unit step       &      10\\ \hline
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example collection      & with explanations    &    20\\ \hline\hline
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                        &                      & 70-90\\
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\end{tabular}
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\end{center}
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effort --- in 45min units\\
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}
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%-----------------------------------------------------------------%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\section[Z-transform]{Z-Transform}
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\subsection[(Inverse) Z-Transform]{(Inverse) Z-Transform}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												Z-Transform  INTRO                     %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}\frametitle{(Inverse) ${\cal Z}$-Transformation: Introduction}
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\begin{itemize}
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\item Pure Transformation is simple to realise with Z-Transform Properties (Table)
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\item Partial Fraction are just math simplifications
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\end{itemize}
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\end{frame}
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% does not fit?!
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%\subsection[]{Indextranformation}
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%\begin{frame}\frametitle{TODO}
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%TODO
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%\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												Z-Transform  SPEC                      %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}\frametitle{(Inverse) ${\cal Z}$-Transformation: Specification}
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{\footnotesize\it
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Determine the inverse $\cal{z}$ transform of the following expression. Hint: applay the partial fraction expansion.
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\begin{center}
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$X(z)=\frac{3}{z-\frac{1}{4}-\frac{1}{8}z^{-1}},\ \ x[n]$ is absolute summable
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\end{center}
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\begin{tabbing}
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1\=postcond \=: \= \= $\;\;\;\;$\=\kill
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\>given    \>:\>  Expression of z \\
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\>         \> \>  \>(X (z::real\,+z::imag),3/(z-1/4-1/8\,z\textasciicircum{}(-1)))\\
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\>precond  \>:\>  TODO\\
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\>find     \>:\>  Expression of n\\
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\>         \> \>  \>$h[n]$\\
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\>postcond \>:\>  TODO\\
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\end{tabbing}
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}
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												Z expl		CALC                         %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%\begin{frame}\frametitle{(Inverse) ${\cal Z}$-Transformation: Calculation}
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%TODO
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%\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%												Z expl		REQ	                         %%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}\frametitle{(Inverse) ${\cal Z}$-Transformation: Development effort}
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{\small
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\begin{center}
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\begin{tabular}{l|l|r}
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requirements            & comments             &effort\\ \hline\hline
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solve for part.fract.   & \sisac: degree 2     &     0\\
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                        & complex nomminators  &    30\\
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                        & degree > 2           &    MT\\ \hline
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simplify polynomial     & \sisac               &     0\\
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simplify rational       & \sisac               &     0\\ \hline
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part.fract.decomposition& degree 2             &      \\
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                        & specification, method&    30\\ \hline
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${\cal Z}^{-1}$ table    &                       &   20\\
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                        & explanations, figures&    20\\ \hline
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example collection      & with explanations    &    20\\ \hline\hline
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                        &                      & 90-120\\
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%                        &                      & 1 MT
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\end{tabular}
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\end{center}
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effort --- in 45min units\\
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MT --- thesis ``factorization'' (mathematics)
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}
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\end{frame}
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\end{document}
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