\begin{picture}(0,0)% \includegraphics{lfsr_gen.pstex}% \end{picture}% \setlength{\unitlength}{2684sp}% % \begingroup\makeatletter\ifx\SetFigFont\undefined% \gdef\SetFigFont#1#2#3#4#5{% \reset@font\fontsize{#1}{#2pt}% \fontfamily{#3}\fontseries{#4}\fontshape{#5}% \selectfont}% \fi\endgroup% \begin{picture}(9088,6474)(601,-7123) \put(3076,-1111){\makebox(0,0)[lb]{\smash{{\SetFigFont{7}{8.4}{\familydefault}{\mddefault}{\updefault}{\color[rgb]{0,0,0}LFSR 0: $g_0$}% }}}} \put(3151,-2086){\makebox(0,0)[lb]{\smash{{\SetFigFont{7}{8.4}{\familydefault}{\mddefault}{\updefault}{\color[rgb]{0,0,0}LFSR 1: $g_1$}% }}}} \put(3151,-4861){\makebox(0,0)[lb]{\smash{{\SetFigFont{7}{8.4}{\familydefault}{\mddefault}{\updefault}{\color[rgb]{0,0,0}LFSR $\rho$: $g_{\rho}$}% }}}} \put(3151,-6736){\makebox(0,0)[lb]{\smash{{\SetFigFont{7}{8.4}{\familydefault}{\mddefault}{\updefault}{\color[rgb]{0,0,0}LFSR $l$: $g_l$}% }}}} \put(7726,-3586){\makebox(0,0)[lb]{\smash{{\SetFigFont{7}{8.4}{\familydefault}{\mddefault}{\updefault}{\color[rgb]{0,0,0}$s_t ^{k}$}% }}}} \put(7351,-4861){\makebox(0,0)[lb]{\smash{{\SetFigFont{7}{8.4}{\familydefault}{\mddefault}{\updefault}{\color[rgb]{0,0,0}of LFSR $j$ is set as zero.}% }}}} \put(7351,-4636){\makebox(0,0)[lb]{\smash{{\SetFigFont{7}{8.4}{\familydefault}{\mddefault}{\updefault}{\color[rgb]{0,0,0}If $i_j=2^n-1$, then the initial state}% }}}} \put(7351,-4411){\makebox(0,0)[lb]{\smash{{\SetFigFont{7}{8.4}{\familydefault}{\mddefault}{\updefault}{\color[rgb]{0,0,0}$k=\sum_{j=0} ^{\rho-1} i_j 2^{nj},\ 0\leq i_j \leq 2^n-1$.}% }}}} \put(2926,-3886){\makebox(0,0)[lb]{\smash{{\SetFigFont{7}{8.4}{\familydefault}{\mddefault}{\updefault}{\color[rgb]{0,0,0}LFSR ($\rho-1$): $g_{\rho-1}$}% }}}} \end{picture}%