%% 
%%  A DANTE-Edition example
%% 
%%  Example 36-00-7 on page 772.
%% 
%%  Copyright (C) 2011 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{375.57637pt}
\setlength\parindent{0pt}

\usepackage{pstricks}
\psset{unit=1ex}
\newcount\elcount
\newcount\Xresult
\makeatletter
\def\foreach#1#2{%
  \ifx\\#2\\%
  \else\@ReturnAfterFi{\do@foreach{#2}#1\@nil}%
  \fi%
}
\def\do@foreach#1#2#3\@nil{%
  #1#2%
  \ifx\\#3\\%
  \else\@ReturnAfterFi{\do@foreach{#1}#3\@nil}%
  \fi%
}
\long\def\@ReturnAfterFi#1\fi{\fi#1}

\def\lambda#1{\csname do#1\endcsname}
\expandafter\def\csname do.\endcsname{\OneSignal{0}}
\expandafter\def\csname do-\endcsname{\OneSignal{1}}
\def\OneSignal#1{%
  \lineto(\the\elcount,#1)
  \advance\elcount by 1
  \lineto(\the\elcount,#1)
}
\def\signal{\@ifnextchar[{\signal@i}{\signal@i[]}}
\def\signal@i[#1]#2#3{%
  #2 &
  \Xresult=0
  \foreach{#3}{\advance\Xresult by 1 }%
&
  \begin{pspicture}[#1](\the\Xresult,1)
    \elcount=0
    \pscustom{%
      \moveto(0,0)
      \foreach{#3}{\lambda}}
  \end{pspicture}\\%
}
\makeatother


\begin{document}
\psset{yunit=2ex}
\begin{tabular}{@{}llp{3.75cm}}
  text & parameter & result\\\hline
  ~\\[-10pt]
  \signal[linewidth=1pt,linecolor=red]{XSUS\_G}{-.-.-.-.-.-.-.-.-.-.-}
  \signal[linewidth=1pt,linecolor=green]{XPR\_U${}_1$}{..--..--..--..--..--.}
  \signal[linewidth=1pt,linecolor=blue]{XPR\_U${}_2$}{....----....----....-}
\end{tabular}
\end{document}
