\documentclass{book}
     \usepackage{geometry}
         \usepackage[maxfloats=100]{morefloats}
    \geometry{top=2cm, bottom=2cm, left=3cm, right=3cm}
    \usepackage[american]{circuitikz}
    \usetikzlibrary{calc}
     \usepackage{amsmath,amsfonts,amssymb,bigints}
     \usepackage{tikz}
     \usepackage{pgfplots}
     \usetikzlibrary{arrows.meta}
     \tikzset{
     	big dot/.style={
     		circle, inner sep=0pt, 
     		minimum size=2mm, fill=black
     	},
     ultra thick/.style= {line width=3pt},
     tri/.style={
     	triangle, inner sep=0pt, 
     	minimum size=2mm, fill=black
     }
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\usepackage[extrafootnotefeatures,perpagefootnote=on]{xepersian}
\settextfont[Scale=1.3]{Yas}
\setdigitfont{Yas}
\setlatintextfont[Scale=1.3]{Times New Roman}
\begin{document}
	  \begin{figure}[h!]
		\centering
	\boldmath{
	\begin{tikzpicture}
	\begin{axis}[
	axis lines=middle,
	axis line style={-Stealth,very thick},
	xmin=-3.5,xmax=0.5,ymin=-22.5,ymax=4,
	xtick distance=1,
	ytick distance=6,
	xlabel=$t$,
	ylabel=$-22\delta (t+2)$,
	grid=major,
	grid style={thin,densely dotted,black!50},
	xlabel style={below right},
	ylabel style={above},
	ytick={-22, 0},
	xticklabel style={yshift=0.5ex, anchor=south},
	yticklabel style={xshift=0.5ex, anchor=west}]
\addplot[mark=none,very thick] coordinates {(-2,0) (-2,-22)};
\node[label={[label distance=1mm]5:{$-22$}}] (d) at (150,5) {};
%\draw[->, line width=1mm] (150,225) -- (150,5);
\draw [->,>=stealth,very thick] (150,225) -- (150,5);
	\end{axis}
	\end{tikzpicture}}
	\caption{}
\end{figure}
  \begin{figure}[h!]
	\centering
	\boldmath{
		\begin{tikzpicture}
		\begin{axis}[
		axis lines=middle,
		axis line style={-Stealth,very thick},
		xmin=-0.5,xmax=3.5,ymin=-0.5,ymax=3.8,
		xtick distance=1,
		ytick distance=1,
		xlabel=$n$,
		ylabel=$3\delta {[n-1]}$,
		grid=major,
		grid style={thin,densely dotted,black!50},
		xlabel style={below right},
		ylabel style={above},
		xticklabel style={yshift=0.5ex, anchor=north},
		yticklabel style={xshift=0.5ex, anchor=east}]
		\addplot[mark=none,very thick] coordinates {(1,0) (1,3)};
		\node[big dot,label={[label distance=1mm]5:{$3$}}] (d) at (150,350) {};
		\end{axis}
		\end{tikzpicture}}
	\caption{}
\end{figure}
\begin{figure}[h!]
	\centering
	\boldmath{	\begin{tikzpicture}
		\begin{axis}[
		axis lines=middle,
		axis line style={-Stealth,very thick},
		xmin=0,xmax=9.9,ymin=0,ymax=29,
		xtick distance=1,
		ytick distance=5,
		xlabel=$t (s)$,
		ylabel=$x (m)$,
		grid=major,
		grid style={thin,densely dotted,black!50},
		xlabel style={below right},
		ylabel style={above left},]
		\draw [very thick] (0,0)--(100,0);
		\draw [very thick](300,40)-- (800,240);
		\draw [very thick](900,260)-- (990,260);
		\draw [very thick](800,240) to[bend left] (900,260);
		\draw [very thick](100,0) to[bend right] (300,40);
		\node[big dot,label=above:{$\boldsymbol{a}$}] (a) at (50,0)   {};
		\node[big dot,label=below:{$\boldsymbol{b}$}] (b) at (300,40)   {};
		\node[big dot,label=below:{$\boldsymbol{c}$}] (c) at (800,240)   {};
		\node[big dot,label=below:{$\boldsymbol{d}$}] (d) at (950,260)   {};
		\node[text width=2cm] at (700,250) 
		{$ x=24m $\\ $ t=8s $};
		\node[text width=2cm] at (250,70) 
		{$ x=4m $\\ $ t=3s $};
		\end{axis}
		\end{tikzpicture}}
	\caption{}
\end{figure}‎
  \begin{figure}[h!]
	\centering
\scalebox{.8}{	\boldmath{
		\begin{tikzpicture}
		\begin{axis}[
		axis lines=middle,
		axis line style={-Stealth,very thick},
		xmin=-.5,xmax=6.5,ymin=-.5,ymax=4.5,
		xtick distance=1,
		ytick distance=1,
		xlabel=$t$,
		ylabel=$x(t)$,
		grid=major,
		grid style={thin,densely dotted,black!50},
		xlabel style={below right},
		ylabel style={above},
		xticklabel style={yshift=0.5ex, anchor=north},
		yticklabel style={xshift=0.5ex, anchor=east}]
		\addplot[mark=none,ultra thick] coordinates {(3,0)(4,3)(5,3)};
		\addplot[mark=none,ultra thick] coordinates {(5,4)(6,4)};
		\addplot[mark=none,very thick,dashed] coordinates {(0,3)(4,3)(4,0)};
		\addplot[mark=none,very thick,dashed] coordinates {(0,4)(5,4)(5,0)};
		\addplot[mark=none,very thick,dashed] coordinates {(6,4)(6,0)};
		\end{axis}
		\end{tikzpicture}}}
	\caption{$ x(t) $}
\end{figure}
 \usetikzlibrary{decorations.markings}
\tikzset{
	big dot/.style={
		circle, inner sep=0pt, 
		minimum size=3mm, fill=black
	},
	ultra thick/.style= {line width=2pt},
	tri/.style={
		triangle, inner sep=0pt, 
		minimum size=2mm, fill=black
	},
	middlearrow/.style={postaction={decorate,
			decoration={markings,
				mark= at position 0.5 with {\arrow{#1}} ,
			}
	}},
	>={Latex[width=5mm,length=3mm]}
}
	  \begin{figure}[h!]
	\centering
	\scalebox{.8}{\boldmath{
			\begin{tikzpicture}[node/.style={fill=black,circle},x=3cm,y=3cm]
			\node[big dot] (a) at (0,0) {};
			\node[big dot] (b) at (1,1) {};
			\node[big dot] (c) at (2,0) {};
			\node[big dot] (d) at (1,-1) {};
			\node[big dot] (e) at (1,0) {};
			\draw[middlearrow={>},ultra thick] (0,0) to (1,0) ;
			\draw[-, black] (0,0)--(1,0) node[pos=0.55,sloped,above,scale=2] {$ 4 $};
			\draw[middlearrow={>},ultra thick] (0,0) to (1,1) ;
			\draw[-, black] (0,0)--(1,1) node[pos=0.55,sloped,above,scale=2] {$ 1 $};
			\draw[middlearrow={>},ultra thick] (0,0) to (1,-1) ;
			\draw[-, black] (0,0)--(1,-1) node[pos=0.55,sloped,below,scale=2]{$8$};
			\draw[middlearrow={<},ultra thick] (1,0) to (1,1) ;
			\draw[-, black] (1,0)--(1,1) node[pos=0.55,sloped,above,scale=2,rotate=-90,anchor=west]{$5$};
			\draw[middlearrow={>},ultra thick] (1,0) to (2,0) ;
			\draw[-, black] (1,0)--(2,0) node[pos=0.55,sloped,above,scale=2]{$6$};
			\draw[middlearrow={>},ultra thick] (1,0) to (1,-1) ;
			\draw[-, black] (1,0)--(1,-1) node[pos=0.55,sloped,above,scale=2,rotate=90,anchor=west]{$7$};
			\draw[middlearrow={<},ultra thick] (1,1) to (2,0) ;
			\draw[-, black] (1,1)--(2,0) node[pos=0.55,sloped,above,scale=2]{$2$};
			\draw[middlearrow={<},ultra thick] (2,0) to (1,-1) ;
			\draw[-, black] (2,0)--(1,-1) node[pos=0.55,sloped,below,scale=2]{$3$};
			\begin{scope}[every node/.style={circle,thick,draw}]
			\node[scale=1.5] (A) at (-0.3,0) {$ 1 $};
			\node[scale=1.5] (A) at (1,1.3) {$ 2 $};
			\node[scale=1.5] (A) at (2.3,0) {$ 3 $};
			\node[scale=1.5] (A) at (1,-1.3) {$ 4 $};
			\node[scale=1.5,anchor=south,above=1mm] (A) at (1.25,0) {$ 5 $};
			\end{scope}
			\end{tikzpicture}}}
	\caption{}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{.8}{\boldmath{
			\begin{tikzpicture}[node/.style={fill=black,circle},x=3cm,y=3cm,ultra thick]
			\draw (0,-0.5) rectangle (1,1.5) node[pos=.5,scale=2,text width=1cm,align=right] {شبکه\\مقاومتی};
			
			\draw [very thick] (-0.5,1)  [V] to (-0.5,0);
			\node[scale=2,anchor=east,xshift=-1] (a) at (-0.5,0.5){$ v_1 $};
			\draw[middlearrow={>},ultra thick] (-0.5,1) to (0,1) ;
			\draw[-, black] (-0.5,1)--(0,1) node[pos=0.55,sloped,above,scale=2,anchor=south]{$i_1$};
			\draw[-, black] (-0.5,0)--(0,0);
			
			\draw [very thick] (1.5,1)  [V] to (1.5,0);
			\node[scale=2,anchor=west,xshift=1] (a) at (1.5,0.5){$ v_2 $};
			\draw[middlearrow={>},ultra thick] (1.5,1) to (1,1) ;
			\draw[-, black](1,1)--(1.5,1) node[pos=0.55,sloped,above,scale=2,anchor=south]{$i_2$};
			\draw[-, black] (1,0)--(1.5,0);
			\end{tikzpicture}}}
	\caption{}
\end{figure}
	  \begin{figure}[h!]
	\centering
	\scalebox{.8}{\boldmath{
			\begin{tikzpicture}[node/.style={fill=black,circle},x=3cm,y=3cm]
			
			\draw [very thick] (-1,1)  [V] to (-1,0);
			\node[scale=2,anchor=east,xshift=-1] (a) at (-1,0.5){$ 1V$};
			
			\draw[very thick] (-1,0) [R] to (-1,-1);
			\node[scale=2,anchor=east,xshift=-1] (a) at (-1,-0.5){$ 2\Omega$};
			
			\draw[middlearrow={<},very thick] (-1,1) to (0,1) ;
			\draw[-, black](-1,1)--(0,1) node[pos=0.55,sloped,above,scale=2,anchor=south]{$j_1$};
			
			\draw[very thick] (0,0) [R] to (0,1);
			\node[scale=2,anchor=west,xshift=-1] (a) at (0,0.5){$ 2\Omega$};
			
			\draw[middlearrow={>},very thick] (0,-1) to (0,0) ;
			\draw[-, black](0,-1)--(0,0) node[pos=0.55,sloped,above,scale=2,anchor=west,rotate=-90]{$j_2$};
			
			\draw[middlearrow={>},very thick] (0,1) to (0.5,1) ;
			\draw[-, black](0,1)--(0.5,1) node[pos=0.55,sloped,above,scale=2,anchor=south]{$j_3$};
			
			\draw[very thick] (0.5,1) [R] to (1.5,1);
			\node[scale=2,anchor=south,xshift=-1] (a) at (1,1){$ 2\Omega$};
			
			\draw[very thick] (1.5,1) [R] to (1.5,0);
			\node[scale=2,anchor=west,xshift=-1] (a) at (1.5,0.5){$ 2\Omega$};
			
			\draw[middlearrow={<},very thick] (1.5,-1) to (1.5,0) ;
			\draw[-, black](1.5,-1)--(1.5,0) node[pos=0.55,sloped,above,scale=2,anchor=west,rotate=-90]{$j_6$};
			
			\draw[middlearrow={>},very thick] (1.5,1) to (2,1) ;
			\draw[-, black](1.5,1)--(2,1) node[pos=0.55,sloped,above,scale=2,anchor=south]{$j_5$};
			
			\draw[very thick] (2,1) [R] to (3,1);
			\node[scale=2,anchor=south,xshift=-1] (a) at (2.5,1){$ 2\Omega$};
			
			\draw[very thick] (3,1) [R] to (3,0);
			\node[scale=2,anchor=west,xshift=-1] (a) at (3,0.5){$ 1\Omega$};
			
			\draw[middlearrow={>},very thick] (3,-1) to (3,0) ;
			\draw[-, black](3,-1)--(3,0) node[pos=0.55,sloped,above,scale=2,anchor=west,rotate=-90]{$j_7$};
			
			\draw [very thick] (4,-0.2)  [I] to (4,0.9);
			\node[scale=2,anchor=west,xshift=1,yshift=-5] (a) at (4,0.5){$ 1A$};
			
			\draw[middlearrow={>},very thick] (0,2) to (0.5,2) ;
			\draw[-, black](0,2)--(0.5,2) node[pos=0.55,sloped,above,scale=2,anchor=north]{$j_4$};
			
			\draw[very thick] (0.5,2) [R] to (2,2);
			\node[scale=2,anchor=north,xshift=-1] (a) at (1.25,2){$ 1\Omega$};
			
			\node[ground,scale=2,very thick](g) at (1.5,-1){};
			
			\draw [-,black,very thick] (3,0.9)--(4,0.9);
			\draw [-,black,very thick] (3,-0.2)--(4,-0.2);
			\draw [-,black,very thick] (3,-1)--(-1,-1);
			\draw [-,black,very thick] (0,1)--(0,2);
			\draw [-,black,very thick] (2,2)--(3,2)--(3,1);
			
			\node[big dot,label={[font=\Huge]120:$e_1$}] (a) at (0,1) {$ e_1 $};
			\node[big dot,label={[font=\Huge]90:$e_2$}] (a) at (1.5,1) {$ e_1 $};
			\node[big dot,label={[font=\Huge]60:$e_3$}] (a) at (3,1) {$ e_1 $};
			\node[big dot,label={[font=\Huge]-20:$e_4$}] (a) at (1.5,-1) {$ e_1 $};
			\end{tikzpicture}}}
	\caption{}
\end{figure}
  \begin{figure}[h!]
	\centering
	\scalebox{.8}{\boldmath{
			\begin{tikzpicture}[x=3cm,y=3cm]
			\begin{axis}[
			axis lines=middle,
			axis line style={-Stealth,very thick},
			xmin=-3,xmax=4,ymin=-0.5,ymax=5,
			xtick distance=1,
			ytick distance=1,
			xlabel=$t$,
			ylabel=$x(t)$,
			xlabel style={below right},
			ylabel style={above},
			yticklabels=\empty,
			xticklabels={},
			ytick style={draw=none},
			xtick style={draw=none}]
			\addplot[very thick,domain=0:2]{x}node[right, pos=1] {$x_1(t)=t$};
			\addplot[very thick,domain=0:-2]{-2*x}node[above, pos=1] {$x_2(t)=-2t$};
			\end{axis}
			\end{tikzpicture}}}
	\caption{}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{.8}{\boldmath{
			\begin{tikzpicture}
			\begin{axis}[
			axis lines=middle,
			axis line style={-Stealth,very thick},
			xmin=-2.5,xmax=2.5,ymin=-2.5,ymax=2.5,
			xtick distance=1,
			ytick distance=1,
			xlabel=$n$,
			ylabel=$x{[n]}$,
			%grid=major,
			%grid style={thin,densely dotted,black!50},
			xlabel style={below right},
			ylabel style={above},
			xticklabel style={yshift=0.5ex, anchor=north east},
			yticklabel style={xshift=0.5ex, anchor=north east}]
			\addplot[mark=none,ultra thick] coordinates {(1,0) (1,-1)};
			\node[big dot,label={[label distance=1mm]5:{}}] (d) at (350,150) {};
			
			\addplot[mark=none,ultra thick] coordinates {(2,0) (2,2)};
			\node[big dot,label={[label distance=1mm]5:{}}] (d) at (450,450) {};
			
			\addplot[mark=none,ultra thick] coordinates {(0,0) (0,1)};
			\node[big dot,label={[label distance=1mm]5:{}}] (d) at (250,350) {};
			
			\addplot[mark=none,ultra thick] coordinates {(-1,0) (-1,2)};
			\node[big dot,label={[label distance=1mm]5:{}}] (d) at (150,450) {};
			
			\addplot[mark=none,ultra thick] coordinates {(-2,0) (-2,-2)};
			\node[big dot,label={[label distance=1mm]5:{}}] (d) at (50,50) {};
			
			\addplot[mark=none,very thick,dashed] coordinates {(-1,2)(2,2)};
			\addplot[mark=none,very thick,dashed] coordinates {(0,-2)(-2,-2)};
			\addplot[mark=none,very thick,dashed] coordinates {(0,-1)(1,-1)};
\path (axis cs:0,0) node [anchor=north east,yshift=-0.075cm] {0};
			\end{axis}
			\end{tikzpicture}}}
	\caption{شکل سیگنال
		$ x{[n]} $}
\end{figure}
  \begin{figure}[h!]
	\centering
	\scalebox{.8}{\boldmath{
			\begin{tikzpicture}[node/.style={fill=black,circle},x=3cm,y=3cm]
			
			\draw [very thick] (0,1) to[R=$ R_1 $, v<=$v_{R1}$,i^<=$ i_1 $,-*] (0,2);
			\draw[very thick] (0,0.5) to[V=$ e_s $,invert] (0,1);
			\draw[very thick] (0,2) to[L=$ L_1$,i^<=$ i_1 $] (1,2);
			\draw[very thick] (1,2) to[C=$ C$,i>^=$ i_C $,v>=$v$,*-] (1,0.5);	
			\draw[very thick] (1,2) to[L=$ L_2$,i>^=$ i_2 $,-*] (2,2);
			\draw [very thick] (2,2) to[R=$ R_2 $, v>=$v_{R2}$] (2,0.5)--(0,0.5);
			
			\node[ground,scale=2,very thick](g) at (1,0.5){};		
			\end{tikzpicture}}}
	\caption{}
\end{figure}
	  \begin{figure}[h!]
	\centering
	\scalebox{.8}{\boldmath{
			\begin{tikzpicture}[node/.style={fill=black,circle},x=3cm,y=3cm]
			
			\draw [very thick] (0,1) to[R=$ R_1 $, v<=$v_{R1}$,i^<=$ i_1 $,-*] (0,2);
			\draw[very thick] (0,0.5) to[V=$ e_s $,invert] (0,1);
			\draw[very thick] (0,2) to[L=$ L_1$,i^<=$ i_1 $] (2,2);
			\draw[very thick] (2,2) to[C=$ C$,i>^=$ i_C $,v>=$v$,*-] (2,0.5);	
			\draw[very thick] (2,2) to[L=$ L_2$,i>^=$ i_2 $,-*] (4,2);
			\draw [very thick] (4,2) to[R=$ R_2 $, v>=$v_{R2}$] (4,0.5)--(0,0.5);
			
			\node[ground,scale=2,very thick](g) at (2,0.5){};	
			
			\draw[mark=none,very thick,dashed] (0.35,1.9)--(0.35,0.6) --(3.65,0.6)--(3.65,1.9);	
			
			\draw[mark=none,very thick,dashed] (2.2,1.9)--(2.2,0.6);
			
			\draw[<-,>=stealth',very thick] (1.35,1.25) arc[radius=1cm,start angle=0,delta angle=270] ;
			
			\draw[<-,>=stealth',very thick] (3.35,1.25) arc[radius=1cm,start angle=0,delta angle=270];
			
			\draw[very thick] (2.35,2.2) arc[radius=1cm,start angle=0,delta angle=-180];
			\end{tikzpicture}}}
	\caption{}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
\draw[very thick] (0,2) -- (4,2) node[pos=0.5,above] {\rl{حوزه زمان}};
\draw[very thick] (8,2) -- (12,2) node[pos=0.5,above] {\rl{حوزه لاپلاس}};
			
\draw[very thick] (0.5,1) to[R,l_=$R$, *-*,i>_=$i_R$,v^>=$v_R$] (3.5,1);
\draw[very thick] (8.5,1) to[R,l_=$R$, *-*,i>_=$I_R$,v^>=$V_R$] (11.5,1);
			\node at (2,-0.2) {$ v_R=Ri_R $};
			\node at (6,-0.2) {$ \Rightarrow $};
			\node at (10,-0.2) {$ V_R=RI_R $};
			\end{tikzpicture}}}
	\caption{مقاومت}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick] (0,2) -- (4,2) node[pos=0.5,above] {\rl{حوزه زمان}};
			\draw[very thick] (5,2) -- (15,2) node[pos=0.5,above] {\rl{حوزه لاپلاس}};
			
			\draw[very thick](3.5,1)to[pC,l^=$C$, *-*,i^<=$i_C$,v<=$v_C$]  (0.5,1) ;
			\draw[very thick](8.5,1)to[pC,l^=$\dfrac{1}{Cs}$, *-*,v<=$V_C$]  (5.5,1) ;
			\draw[very thick] (6,-.8) to[I,invert, l_=$Cv_C(0^-)$] (8,-.8);
			\draw[very thick] (6.1,-0.8)-- (6,-0.8) -- (6,1);
			\draw[very thick] (7.8,-0.8)--(8,-0.8) -- (8,1);
			\draw[-{Latex[length=2.8mm]}] (5.6,1) -- (5.9,1)  node[pos=0.5,above] {$I_C$};
			\node at (2,-0.5) {$ i_C=C\dfrac{dv_C}{dt} $};
			\node at (4.5,-0.5) {$ \Rightarrow $};
			\node at (7,-2.5) {$ I_C=CsV_s-Csv_C(0^-) $};
			\node at (9.5,-0.5) {یا};
			
			\draw[very thick](13.5,1)to[pC,l^=$\dfrac{1}{Cs}$, -*,i^<=$I_C$]  (10.5,1) ;
			\draw[very thick] (13,1) to[V, l_=$\dfrac{1}{s}v_C(0^-)$,-*] (15,1);
			\node at (10.6,1.3) {$ + $};
			\node at (14.6,1.3) {$ - $};
			\node at (12.6,1.7) {$ V_C $};
			\node at (12.6,-1.5) {$ V_C=\dfrac{1}{Cs}I_C + \dfrac{1}{s}v_C(0^-) $};
			\end{tikzpicture}}}
	\caption{خازن}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick] (0,2) -- (4,2) node[pos=0.5,above] {\rl{حوزه زمان}};
			\draw[very thick] (5,2) -- (14.5,2) node[pos=0.5,above] {\rl{حوزه لاپلاس}};
			
			\draw[very thick](0.5,1)to[L,l_=$L$, *-*,i>_=$i_L$,v^>=$v_L$]  (3.5,1) ;
			\draw[very thick](7,1)to[L,l_=$Ls$, -*]  (9.5,1) ;
			\draw[very thick] (5.5,1) to[V,invert, l_=$Li_L(0^-)$,*-] (7.5,1);
			
			\draw[-{Latex[length=2.8mm]}] (5.5,1) -- (6,1)  node[pos=0.5,above] {$I_L$};
			\node at (2,-0.5) {$ v_L=L\dfrac{di_L}{dt} $};
			\node at (4.5,-0.5) {$ \Rightarrow $};
			\node at (7.5,-.5) {$ V_L=LsI_{L}-Li_L(0^-)$};
			\node at (5.6,1.7) {$ + $};
			\node at (9.3,1.7) {$ - $};
			\node at (7.3,1.7) {$ V_L $};
			\node at (10.3,-0.5) {یا};
			
			\draw[very thick](11,1)to[L,l_=$Ls$, *-*]  (14,1) ; 
			\draw[very thick] (11.7,-0.2) to[I, l_=$\dfrac{1}{L}i_L(0^-)$] (13.5,-0.2);	 
			\draw[-{Latex[length=2.8mm]}] (11.2,1) -- (11.5,1)  node[pos=0.5,below] {$I_L$};
			\node at (11.2,1.3) {$ + $};
			\node at (13.8,1.3) {$ - $};
			\node at (12.5,1.5) {$ V_L $};
			\draw[very thick] (11.8,-0.2)--(11.7,-0.2)--(11.7,1);
			\draw[very thick] (13.4,-0.2)--(13.5,-0.2)--(13.5,1);
\node at (13,-2) {$ I_L=\dfrac{1}{Ls}V_L+\dfrac{1}{L}i_L(0^-) $};
			\end{tikzpicture}}}
	\caption{سلف}
\end{figure}

\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick] (0,2) -- (4,2) node[pos=0.5,above] {\rl{حوزه زمان}};
			\draw[very thick] (8,2) -- (12,2) node[pos=0.5,above] {\rl{حوزه لاپلاس}};
			
			\draw[very thick](1.5,1.5)to[V,v_=$v_s(t)$, *-*]  (1.5,0) ;
			\draw[very thick](2.5,1.5)to[I,l=$i_s(t)$, *-*]  (2.5,0) ;
			
			\node at (6,1) {$ \Rightarrow $};
			
			\draw[very thick](9.5,1.5)to[V,v_=$V_s$, *-*]  (9.5,0) ;
			\draw[very thick](10.5,1.5)to[I,l=$I_s$, *-*]  (10.5,0) ;
			\end{tikzpicture}}}
	\caption{منابع مستقل}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick] (7,3) rectangle (9,3.5) node[pos=.5] {k};
			\draw[very thick] (6,3.25)--(7,3.25);
			\node[circle,fill,inner sep=2pt]at (6,3.25){};
			\draw[very thick] (9,3.25)--(10,3.25);
			\node[circle,fill,inner sep=2pt]at (10,3.25){};
			
			\node at (6.2,3.7) {$ + $};
			\node at (9.8,3.7) {$ - $};
			\node at (8,3.7) {$ V_k $};
			\draw[-{Latex[length=2.8mm]}] (6.5,3.25) -- (6.8,3.25)  node[pos=0.5,below] {$J_k$};
			
			\draw[very thick] (0,2) -- (4,2) node[pos=0.5,above] {\rl{منبع جریان وابسته به ولتاژ}};
			\draw[very thick] (1,1) to[cI, l_=$ dV_k $,*-*] (3,1);
			
			\draw[very thick] (4.2,2) -- (8.2,2) node[pos=0.5,above] {\rl{منبع جریان وابسته به جریان}};
			\draw[very thick] (5.2,1) to[cI, l_=$ cJ_k $,*-*] (7.2,1);
			\draw[very thick] (8.4,2) -- (12.4,2) node[pos=0.5,above] {\rl{منبع ولتاژ وابسته به جریان}};
			\draw[very thick] (9.4,1) to[cV, l_=$ bJ_k $,*-*] (11.4,1);	
			\draw[very thick] (12.6,2) -- (16.6,2) node[pos=0.5,above] {\rl{منبع ولتاژ وابسته به ولتاژ}};
			\draw[very thick] (13.6,1) to[cV, l_=$ aV_k $,*-*] (15.6,1);	
			\end{tikzpicture}}}
	\caption{منابع وابسته}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick](0,4)to[I,l_=$10\, \text{A}$]  (0,0) ;
			\draw[very thick](2,2)to[R,l=$9\, \Omega$]  (2,4) ;
			\draw[very thick](2,0)to[L,l=$3\, \text{H}$]  (2,2) ;
			\draw[very thick](4,4)to[pC,l_=$\dfrac{1}{6}\, \text{F}$]  (2,4) ;
			\draw[very thick](4,4)to[V,l=$2\sin3t$]  (4,0) ;
			
			\draw[very thick](4,0) to (0,0);
			\draw[very thick](0,4) to (2,4);	
			
			\draw[-{Latex[length=2.8mm]}] (3.3,4) -- (3.8,4)  node[pos=0.5,above] {$i$};			
			\end{tikzpicture}}}
	\caption{}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick](0,4)to[I,l_=$\dfrac{10}{s}$]  (0,0) ;
			\draw[very thick](2,2)to[R,l=$9$]  (2,4) ;
			\draw[very thick](2,0)to[L,l=$3s$]  (2,2) ;
			\draw[very thick](4,4)to[pC,l_=$\dfrac{6}{s}$]  (2,4) ;
			\draw[very thick](4,4)to[V,l=$\dfrac{6}{s^2+9}$]  (4,0) ;
			
			\draw[very thick](4,0) to (0,0);
			\draw[very thick](0,4) to (2,4);	
			
			\draw[-{Latex[length=2.8mm]}] (3.3,4) -- (3.8,4)  node[pos=0.5,above] {$I$};			
			
			\draw[<-,>=stealth',very thick] (3.3,2) arc[radius=0.5cm,start angle=0,delta angle=270];
			\node at (2.8,2) {$ I $};
			\end{tikzpicture}}}
	\caption{}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick](0,2)to[V,l_=$u(t)$]  (0,0) ;
			\draw[very thick](0,2)to[R,l=$1\,\Omega$]  (0,4) ;
			\draw[very thick](2,0)to[pC,l=$2\,\text{F}$,v<=$v$] (2,4);	
			\draw[very thick](2,4)to[L,l=$2\,\text{H}$,i>=$i$]  (4,4) ;		
			\draw[very thick] (4,4) to[cI, l=$ \dfrac{1}{2}v$] (4,0);	
			\draw[very thick](6.3,4)to[R,l_=$1\,\Omega$,v^=$ v_o $]  (6.3,0) ;
			
			\draw[very thick](0,3.9)--(0,4) -- (2.1,4);
			\draw[very thick](0,0.1)--(0,0) -- (6.3,0)--(6.3,0.1);
			\draw[very thick](3.9,4)--(6.3,4) -- (6.3,3.9);
			\end{tikzpicture}}}
	\caption{}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick](-1.5,0)to[R,l=$1$]  (-1.5,4) ;
			\draw[very thick] (-2.7,0) to[I, l^=$\dfrac{1}{s}$] (-2.7,4);
			\draw[very thick](2,0)to[pC,l=$\dfrac{1}{2s}$,v<=$ V $] (2,4);
			\draw[very thick] (0,0.5) to[I, l^=$4$] (0,3.5);
			\draw[very thick](2,4)to[L,l_=$2\,\text{H}$]  (4,4) ;	
			\draw[very thick] (2.2,5) to[I] (3.8,5);	
			\node (a) at (3,6) {$ \dfrac{1}{s} $}; 
			\draw[very thick] (4,4) to[cI, l=$ \dfrac{1}{2}V$] (4,0);	\draw[very thick](6.3,4)to[R,l_=$1$,v^=$ V_o $]  (6.3,0) ;
			
			\draw[very thick](-2.7,3.9)--(-2.7,4) -- (2.1,4);
			\draw[very thick](-2.7,0.1)--(-2.7,0) -- (6.3,0)--(6.3,0.1);
			\draw[very thick](3.9,4)--(6.3,4) -- (6.3,3.9);
			
			\draw[very thick] (0,0.6)--(0,0.5)--(2,0.5);
			\draw[very thick] (0,3.4)--(0,3.5)--(2,3.5);
			\draw[very thick] (2.3,5)--(2.2,5)--(2.2,4);
			\draw[very thick] (3.7,5)--(3.8,5)--(3.8,4);
				\begin{scope}[every node/.style={circle,thick,draw}]
			\node[scale=1.1,very thick] (A) at (1.6,4.5) {$ 1 $};
			\node[scale=1.1,very thick] (A) at (4.3,4.5) {$ 2 $};
			\end{scope}
			\end{tikzpicture}}}
	\caption{}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick] (-3.2,0) to[I, l^=$i_s(t)$] (-3.2,3);
			\draw[very thick](-1.5,0)to[pC,l=$1\, \text{F}$] (-1.5,3);
			\draw[very thick](0,0)to[R,l=$1\, \Omega$]  (0,3) ;
			\draw[very thick](2,3)to[pC,l=$1\, \text{F}$] (0,3);
			\draw[very thick](2,3)to[pC,l=$1\, \text{F}$] (2,0);
			\draw[very thick](4.2,3)to[R,l_=$1\, \Omega$,v^=$ v_o(t) $]  (4.2,0) ;
			
			\draw[very thick](-3.2,2.9)--(-3.2,3) -- (0,3)--(0,2.9);
			\draw[very thick](-3.2,.1)--(-3.2,0) -- (4.2,0)--(4.2,0.1);
			\draw[very thick](2,2.9)--(2,3) -- (4.2,3)--(4.2,2.9);
			\end{tikzpicture}}}
	\caption{}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick] (-3.2,0) to[I, l^=$1$] (-3.2,3);
			\draw[very thick](-1.5,0)to[pC,l=$\dfrac{1}{s}$] (-1.5,3);
			\draw[very thick](0,0)to[R,l=$1$]  (0,3) ;
			\draw[very thick](2,3)to[pC,l=$\dfrac{1}{s}$,*-*] (0,3);
			\draw[very thick](2,3)to[pC,l=$\dfrac{1}{s}$] (2,0);
			\draw[very thick](4.2,3)to[R,l_=$1$,v^=$ V_o $]  (4.2,0) ;
			\node[ground,scale=2,very thick](g) at (1,0){};	
			
			\draw[very thick](-3.2,2.9)--(-3.2,3) -- (0,3)--(0,2.9);
			\draw[very thick](-3.2,.1)--(-3.2,0) -- (4.2,0)--(4.2,0.1);
			\draw[very thick](2,2.9)--(2,3) -- (4.2,3)--(4.2,2.9);
			
			\begin{scope}[every node/.style={circle,thick,draw}]
			\node[scale=1,very thick] (A) at (0,3.7) {$ E_1 $};
			\node[scale=1,very thick] (A) at (2,3.7) {$ E_2 $};
			\end{scope}
			
			\end{tikzpicture}}}
	\caption{}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick](0,2)to[L,l=$2\, \text{H}$, i^<=$ i_{L_{1}} $]  (0,4) ;
			\draw[very thick](0,0)to[R,l=$1\, \Omega$] (0,2);
			\draw[very thick](2,0)to[L,l=$3\, \text{H}$,i^<=$ i_{L_{2}} $] (2,3);
			\draw[very thick](4,0)to[R,l=$2\, \Omega$]  (4,4) ;
			
			\draw[very thick](0,0.1)--(0,0) -- (4,0)--(4,0.1);
			\draw[very thick](0,3.9)--(0,4) -- (4,4)--(4,3.9);
			\draw[very thick](2,3)--(2,4) ;
			\end{tikzpicture}}}
	\caption{}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick](0,4)to[L,l=$2s$, i^<=$ I_{L_{1}} $]  (0,6) ;
			\draw[very thick](0,4)to[V,l_=$22$]  (0,2) ;
			\draw[very thick](0,0)to[R,l=$1$] (0,2);
			\draw[very thick](3,2.5)to[L,l=$3s$,i^<=$ I_{L_{2}} $] (3,5);
			\draw[very thick](3,2.5)to[V,l=$33$]  (3,0) ;
			\draw[very thick](6,0)to[R,l_=$2$]  (6,6) ;
			
			\draw[very thick](0,0.1)--(0,0) -- (6,0)--(6,0.1);
			\draw[very thick](0,5.9)--(0,6) -- (6,6)--(6,5.9);
			\draw[very thick](3,5)--(3,6) ;
			
			\draw[<-,>=stealth',very thick] (2.2,3) arc[radius=0.7cm,start angle=0,delta angle=270];
			\node at (1.5,3) {$ I_1 $};
			\draw[<-,>=stealth',very thick] (5.2,3) arc[radius=0.7cm,start angle=0,delta angle=270];
			\node at (4.5,3) {$ I_2 $};
			\end{tikzpicture}}}
	\caption{}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick](0,0)to[pC,l=$2\, \text{F}$, v<=$ v_C $]  (0,4) ;
			\draw[very thick](2,0)to[I,l_=$i_s$]  (2,4) ;
			\draw[very thick](2,4)to[R,l=$3\, \Omega$]  (4,4) ;
			\draw[very thick](4,4)to[L,l=$1\, \text{H}$,i=$ i_{L_{1}} $]  (6,4) ;
			\draw[very thick](6,0)to[R,l=$2\, \Omega$]  (6,4) ;
			\draw[very thick](8,2)to[L,l_=$3\, \text{H}$,i_=$ i_{L_{2}} $]  (8,4) ;	
			\draw[very thick](8,0)to[V,invert,l=$v_s$]  (8,2) ;
			
			\draw[very thick](0,0.1)--(0,0) -- (8,0)--(8,0.1);
			\draw[very thick](0,3.9)--(0,4) -- (2,4)--(2,3.9);
			\draw[very thick](6,3.9)--(6,4) -- (8,4)--(8,3.9);
			\end{tikzpicture}}}
	\caption{}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick,-*] (0,0)--(0,4.1);
			\draw [very thick] plot [smooth, tension=1.5] coordinates {(0,0) (-1,2) (0,4) };
			\draw[very thick] (0,4)--(2,4);
			\draw[very thick,*-] (2,4)--(4,4);
			\draw[very thick,-*] (4.1,4)--(4.1,-0.1);
			\draw[very thick,*-*] (4,4)--(6,4)--(6,2);
			\draw[very thick] (6,2)--(6,0)--(0,0);
			\end{tikzpicture}}}
	\caption{}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick,-*,dashed] (0,0)--(0,4.1);
			\draw [very thick] plot [smooth, tension=1.5] coordinates {(0,0) (-1,2) (0,4) };
			\draw[very thick] (0,4)--(2,4);
			\draw[very thick,*-,dashed] (2,4)--(4,4);
			\draw[very thick,-*] (4.1,4)--(4.1,-0.1);
			\draw[very thick,*-*,dashed] (4,4)--(6,4)--(6,2);
			\draw[very thick] (6,2)--(6,0)--(0,0);
			
			\draw [very thick] plot [smooth, tension=1.5] coordinates {(3,4.3) (1,3.6) (-0.5,4.2) };
			\node (a) at (1,4.5) {\rl{کات‌ست اساسی}};
			
			\draw [very thick] plot [smooth, tension=1.5] coordinates {(0,0.3) (-0.5,2) (0,3.3) };
			\draw[very thick] (0,3.3)--(3.5,3.3)--(3.5,0.3)--(0,0.3);
			\node (b) at (2,2) {\rl{حلقه اساسی 1}};
			
			\draw[very thick] (4.3,.3)--(5.7,.3)--(5.7,3.7)--(4.3,3.7)--(4.3,0.3);
			\node[text width=1cm,align=center] (c) at (5,2) {\rl{حلقه اساسی 2}};
			\end{tikzpicture}}}
	\caption{}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{.8}{	\boldmath{
			\begin{tikzpicture}
			\begin{axis}[
			axis lines=middle,
			axis line style={-Stealth,very thick},
			xmin=-3,xmax=5,ymin=-0.5,ymax=3.5,
			xtick distance=1,
			ytick distance=1,
			xlabel=$t$,
			ylabel=$x(t)$,
			grid=major,
			grid style={thin,densely dotted,black!50},
			xlabel style={below right},
			ylabel style={above},
			xticklabel style={yshift=0.5ex, anchor=north},
			yticklabel style={xshift=0.5ex, anchor=north east}]
			\addplot[mark=none,ultra thick] coordinates {(-2,1)(2,1)};
			\addplot[mark=none,ultra thick] coordinates {(2,2)(5,2)};
			\addplot[mark=none,very thick,dashed] coordinates {(-2,0)(-2,1)};
			\addplot[mark=none,very thick,dashed] coordinates {(0,2)(2,2)};
			\addplot[mark=none,very thick,dashed] coordinates {(2,0)(2,2)};
			\path (axis cs:0,0) node [anchor=north east,yshift=-0.075cm] {0};
			\end{axis}
			\end{tikzpicture}}}
	\caption{$ x(t) $}
\end{figure}
 \begin{figure}[h!]
	\centering
	\scalebox{.8}{	\boldmath{
			\begin{tikzpicture}
			\begin{axis}[
			axis lines=middle,
			axis line style={-Stealth,very thick},
			xmin=-.5,xmax=4.5,ymin=-0.5,ymax=2.5,
			xtick distance=1,
			ytick distance=1,
			xlabel=$t$,
			ylabel=$x(t)$,
			grid=major,
			grid style={thin,densely dotted,black!50},
			xlabel style={below right},
			ylabel style={above},
			xticklabel style={yshift=0.5ex, anchor=north east},
			yticklabel style={xshift=0.5ex, anchor=north east}]
			\addplot[mark=none,ultra thick] coordinates {(0,1)(1,1)(2,2)(4,2)};
			\addplot[mark=none,very thick,dashed] coordinates {(1,0)(1,1)};
			\addplot[mark=none,very thick,dashed] coordinates {(0,2)(2,2)(2,0)};
			\path (axis cs:0,0) node [anchor=north east,yshift=-0.075cm] {0};
			\end{axis}
			\end{tikzpicture}}}
	\caption{جزوه سیگنال- فصل اول- مثال 15}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{.8}{	\boldmath{
			\begin{tikzpicture}
			\begin{axis}[
			axis lines=middle,
			axis line style={-Stealth,very thick},
			xmin=-.5,xmax=4.5,ymin=-0.5,ymax=2.5,
			xtick distance=1,
			ytick distance=1,
			xlabel=$t$,
			ylabel=$x_1(t)$,
			%grid=major,
			%grid style={thin,densely dotted,black!50},
			xlabel style={below right},
			ylabel style={above},
			xticklabel style={yshift=0.5ex, anchor=north east},
			yticklabel style={xshift=0.5ex, anchor=north east}]
			\addplot[mark=none,ultra thick] coordinates {(0,1)(1,1)};
			\addplot[mark=none,very thick,dashed] coordinates {(1,0)(1,1)};
			\path (axis cs:0,0) node [anchor=north east,yshift=-0.075cm] {0};
			\end{axis}
			\end{tikzpicture}}}
	\caption{$ x_1(t) $}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{.8}{	\boldmath{
			\begin{tikzpicture}
			\begin{axis}[
			axis lines=middle,
			axis line style={-Stealth,very thick},
			xmin=-.5,xmax=4.5,ymin=-0.5,ymax=2.5,
			xtick distance=1,
			ytick distance=1,
			xlabel=$t$,
			ylabel=$x_2(t)$,
			%grid=major,
			%grid style={thin,densely dotted,black!50},
			xlabel style={below right},
			ylabel style={above},
			xticklabel style={yshift=0.5ex, anchor=north},
			yticklabel style={xshift=0.5ex, anchor=east}]
			\addplot[mark=none,ultra thick] coordinates {(1,1)(2,2)};
			\addplot[mark=none,very thick,dashed] coordinates {(0,1)(1,1)(1,0)};
			\addplot[mark=none,very thick,dashed] coordinates {(0,2)(2,2)(2,0)};
			\path (axis cs:0,0) node [anchor=north east,yshift=-0.075cm] {0};
			\end{axis}
			\end{tikzpicture}}}
	\caption{$ x_2(t) $}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{.8}{	\boldmath{
			\begin{tikzpicture}
			\begin{axis}[
			axis lines=middle,
			axis line style={-Stealth,very thick},
			xmin=-.5,xmax=4.5,ymin=-0.5,ymax=2.5,
			xtick distance=1,
			ytick distance=1,
			xlabel=$t$,
			ylabel=$x_3(t)$,
			%grid=major,
			%grid style={thin,densely dotted,black!50},
			xlabel style={below right},
			ylabel style={above},
			xticklabel style={yshift=0.5ex, anchor=north},
			yticklabel style={xshift=0.5ex, anchor=east}]
			\addplot[mark=none,ultra thick] coordinates {(2,2)(4,2)};
			\addplot[mark=none,very thick,dashed] coordinates {(0,2)(2,2)(2,0)};
			\addplot[mark=none,very thick,dashed] coordinates {(4,2)(4,0)};
			\path (axis cs:0,0) node [anchor=north east,yshift=-0.075cm] {0};
			\end{axis}
			\end{tikzpicture}}}
	\caption{$ x_3(t) $}
\end{figure}
 \begin{figure}[h!]
	\centering
	\scalebox{.8}{	\boldmath{
			\begin{tikzpicture}
			\begin{axis}[
			ticks=none,
			axis lines=middle,
			axis line style={-Stealth,very thick},
			xmin=-.5,xmax=4.5,ymin=-0.5,ymax=1.5,
			xtick distance=1,
			ytick distance=1,
			xlabel=$t$,
			ylabel=$x(t)$,
			xlabel style={below right},
			ylabel style={above},
			xticklabel style={yshift=0.5ex, anchor=north},
			yticklabel style={xshift=0.5ex, anchor=east}
			]
			\addplot[mark=none,ultra thick] coordinates {(1,1)(3,1)};
			\addplot[mark=none,very thick,dashed] coordinates {(1,0)(1,1)};
			\addplot[mark=none,very thick,dashed] coordinates {(3,0)(3,1)};
			\node (a) at (150,30) {a};
			\node (a) at (350,30) {b};
			\path (axis cs:0,0) node [anchor=north east,yshift=-0.075cm] {0};
			\end{axis}
			\end{tikzpicture}}}
	\caption{$ x(t) $}
\end{figure}
 \begin{figure}[h!]
	\centering
	\scalebox{.8}{	\boldmath{
			\begin{tikzpicture}
			\begin{axis}[
			%ticks=none,
			axis lines=middle,
			axis line style={-Stealth,very thick},
			xmin=-.5,xmax=3.5,ymin=-0.5,ymax=3.5,
			xtick distance=1,
			ytick distance=1,
			xlabel=$t$,
			ylabel=$x(t)$,
			xlabel style={below right},
			ylabel style={above},
			xticklabel style={yshift=0.5ex, anchor=north},
			yticklabel style={xshift=0.5ex, anchor=east}
			]
			\addplot[mark=none,ultra thick] coordinates {(0,1)(1,1)};
			\addplot[mark=none,ultra thick] coordinates {(1,2)(2,2)};
			\addplot[mark=none,ultra thick] coordinates {(2,3)(3,3)};
			\addplot[mark=none,very thick,dashed] coordinates {(1,0)(1,2)(0,2)};
			\addplot[mark=none,very thick,dashed] coordinates {(3,3)(3,0)};
			\addplot[mark=none,very thick,dashed] coordinates {(0,3)(2,3)(2,0)};
			\path (axis cs:0,0) node [anchor=north east,yshift=-0.075cm] {0};
			\end{axis}
			\end{tikzpicture}}}
	\caption{جزوه سیگنال- فصل اول- مثال 16}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{.8}{\boldmath{
			\begin{tikzpicture}
			\begin{axis}[
			%ticks=none,
			axis lines=middle,
			axis line style={-Stealth,very thick},
			xmin=-.5,xmax=5.5,ymin=-0.5,ymax=4.5,
			xtick distance=1,
			ytick distance=1,
			xlabel=$n$,
			ylabel=$x{[n]}$,
			xlabel style={below right},
			ylabel style={above},
			xticklabel style={yshift=0.1ex, anchor=north},
			ytick=\empty
			%yticklabel style={xshift=0.5ex, anchor=east}
			]
			\addplot[mark=none,ultra thick] coordinates {(1,0) (1,1)};
			\node[big dot,label={$ 1 $}] (d) at (150,150) {};	
			
			\addplot[mark=none,ultra thick] coordinates {(2,0) (2,2)};
			\node[big dot,label={$ 2$}] (d) at (250,250) {};	
			
			\addplot[mark=none,ultra thick] coordinates {(3,0) (3,3)};
			\node[big dot,label={$ 3$}] (d) at (350,350) {};	
			
			\addplot[mark=none,ultra thick] coordinates {(4,0) (4,4)};
			\node[big dot,label={$ 4 $}] (d) at (450,450) {};	
			
			\node[big dot] (d) at (50,50) {};	
			\node[big dot] (d) at (550,50) {};	
			\path (axis cs:0,0) node [anchor=north east,yshift=-0.075cm] {0};
			\end{axis} 
			\end{tikzpicture}}}
	\caption{جزوه سیگنال- فصل اول- مثال 17}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{.8}{\boldmath{
			\begin{tikzpicture}
			\begin{axis}[
			%ticks=none,
			axis lines=middle,
			axis line style={-Stealth,very thick},
			xmin=-1.5,xmax=4.5,ymin=-0.2,ymax=1.5,
			xtick distance=1,
			ytick distance=1,
			xlabel=$n$,
			ylabel=$x{[n]}$,
			xlabel style={below right},
			ylabel style={above},
			xticklabel style={yshift=0.1ex, anchor=north},
			ytick=\empty
			%yticklabel style={xshift=0.5ex, anchor=east}
			]
			\addplot[mark=none,ultra thick] coordinates {(0,0) (0,1)};
			\node[big dot,label={[xshift=.15cm, yshift=0.05cm]$ 1 $}] (d) at (150,120) {};	
			\addplot[mark=none,ultra thick] coordinates {(1,0) (1,0.5)};
			\node[big dot,label={$ \dfrac{1}{2} $}] (d) at (250,70) {};
			
			\addplot[mark=none,ultra thick] coordinates {(2,0) (2,0.25)};
			\node[big dot,label={$ \dfrac{1}{4} $}] (d) at (350,45) {};
			
			\addplot[mark=none,ultra thick] coordinates {(3,0) (3,1/8)};
			\node[big dot,label={$ \dfrac{1}{8} $}] (d) at (450,32.5) {};
			
			\node[big dot] (d) at (50,20) {};	
			\node[big dot] (d) at (550,20) {};	
			\path (axis cs:0,0) node [anchor=north east,yshift=-0.075cm] {0};
			\end{axis} 
			\end{tikzpicture}}}
	\caption{جزوه سیگنال- فصل اول- مثال 18}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{.8}{\boldmath{
			\begin{tikzpicture}
			\begin{axis}[
			%ticks=none,
			axis lines=middle,
			axis line style={-Stealth,very thick},
			xmin=-1.5,xmax=1.5,ymin=-0.2,ymax=1.5,
			xtick distance=1,
			ytick distance=1,
			xlabel=$t$,
			ylabel=$u(t^2+1)$,
			xlabel style={below right},
			ylabel style={above},
			%xticklabel style={yshift=0.5ex, anchor=north},
			xtick=\empty,
			yticklabel style={xshift=0.5ex, anchor=north east}
			]
			\addplot[mark=none,ultra thick] coordinates {(-1.5,1) (1.5,1)};
			
			\path (axis cs:0,0) node [anchor=north east,yshift=-0.075cm] {0};
			\end{axis} 
			\end{tikzpicture}}}
	\caption{جزوه سیگنال- فصل اول- مثال 19}
\end{figure}
\begin{figure}[h!]
	\centering
	\scalebox{.8}{\boldmath{
			\begin{tikzpicture}
			\begin{axis}[
			%ticks=none,
			axis lines=middle,
			axis line style={-Stealth,very thick},
			xmin=-2.5,xmax=4.5,ymin=-0.5,ymax=4.5,
			xtick distance=1,
			ytick distance=1,
			xlabel=$t$,
			ylabel=$x(t)$,
			xlabel style={below right},
			ylabel style={above},
			xticklabel style={yshift=0.5ex, anchor=north},
			%xtick=\empty,
			yticklabel style={xshift=0.5ex, anchor=north east}
			]
			\addplot[mark=none,ultra thick] coordinates {(-2.5,4.5) (-1,3)};
			\addplot[mark=none,ultra thick,dashed] coordinates {(-1,3) (1,1)};
			\addplot[mark=none,ultra thick] coordinates {(1,1) (2,0)(4.5,2.5)};
			
			\addplot[mark=none,very thick, dashed] coordinates {(-1,0) (-1,3)(0,3)};
			\addplot[mark=none,very thick, dashed] coordinates {(1,0) (1,1)(0,1)};
			
			\path (axis cs:0,0) node [anchor=north east,yshift=-0.075cm] {0};
			\end{axis} 
			\end{tikzpicture}}}
	\caption{جزوه سیگنال - فصل اول- مثال 20}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{.8}{\boldmath{
			\begin{tikzpicture}
			\begin{axis}[
			%ticks=none,
			axis lines=middle,
			axis line style={-Stealth,very thick},
			xmin=-.5,xmax=3.5,ymin=-0.5,ymax=1.8,
			xtick distance=1,
			ytick distance=1,
			xlabel=$t$,
			ylabel=$x(t)$,
			xlabel style={below right},
			ylabel style={above},
			xticklabel style={yshift=0.5ex, anchor=north},
			%xtick=\empty,
			yticklabel style={xshift=0.5ex, anchor=north east}
			]
			\addplot[->,-Stealth,mark=none,ultra thick] coordinates {(3,0) (3,4/3)};
			\node (a) at (350,200) {$ \dfrac{4}{3} $};
			
			\path (axis cs:0,0) node [anchor=north east,yshift=-0.075cm] {0};
			\end{axis} 
			\end{tikzpicture}}}
	\caption{جزوه سیگنال- فصل اول- مثال 21}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick] (-3.2,0) to[I, l^=$i_s(t)$] (-3.2,3);
			\draw[very thick](-1.5,0)to[pC,l=$C$,i_<=$ i_1(t) $] (-1.5,3);
			\draw[very thick](0,0)to[R,l=$R$,i_<=$ i_2(t) $]  (0,3) ;
			
			
			\draw[very thick](-3.2,2.9)--(-3.2,3) -- (2,3);
			\draw[very thick](-3.2,.1)--(-3.2,0) -- (2,0);
			\node (A) at (1.9,0.2) {-};
			\node (A) at (1.9,2.8) {+};
			\node (C) at (1.9,1.5) {$ v(t) $};
			\end{tikzpicture}}}
	\caption{شکل سیگنال
		$ x{[n]} $}
\end{figure}
	\tikzstyle{block} = [draw, rectangle, minimum height=2em, minimum width=5em]
\tikzstyle{sum} = [draw, fill=white, circle, node distance=1cm]
\tikzstyle{input} = [coordinate] \tikzstyle{output} = [coordinate]
\tikzstyle{pinstyle} = [pin edge={to-,thin,black}]
\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\node [very thick,input, name=input] {};
			\node [sum,very thick, right of=input,node distance=1.5cm] (sum) {+};
			\node [block,very thick, right of=sum, node distance=4cm] (controller) {$v(t)=\dfrac{1}{C}\bigint_{-\infty}^{t}i_1(\tau)d\tau$};
			\node [block, very thick, below of=controller,node distance=3cm] (measurement) {$ i_2(t)=\dfrac{v(t)}{R} $};
			\node [output, right of=controller,node distance=4cm] (output) {};
			
			\draw [->,-Stealth,very thick] (input) -- node[above,near start]{$ i(t) $}node[above,pos=0.9]{+} (sum);
			\draw [->,-Stealth,very thick] (sum) -- node[above]{$ i_1(t) $} (controller);
			\draw [->,-Stealth,very thick] (controller) -- node[name=y,near end,above]{$v(t)$}(output);
			\draw [->,-Stealth,very thick] (y) |- (measurement);
			\draw [->,-Stealth,very thick] (measurement) -| node[pos=0.95,left] {$-$}node[near end,right] {$ i_2(t) $}(sum);
			
			\node[above of=controller] (c) {خازن};
			\node[above of=measurement] (r) {مقاومت};
			\end{tikzpicture}}}
	\caption{جزوه سیگنال فصل اول}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick,->,-Stealth] (0,0)--node[pos=1.1]{$ x $}(5,0);
			\draw [very thick,fill=gray!30] (1.5,0.2) rectangle (3,0.7);
			\draw [very thick,fill=black] (2.25,0.45) circle (0.05cm);
			\draw [very thick, ->, -Stealth] (2.25,0.45) --node[near end,above]{$ \vec{F_1} $}(4,0.45);
			\end{tikzpicture}}}
	\caption{نیروی وارد بر جسم}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick,->,-Stealth] (0,0)--node[pos=1.1]{$ x $}(5,0);
			\draw [very thick,fill=gray!30] (1.5,0.2) rectangle (3,0.7);
			\draw [very thick,fill=black] (2.25,0.45) circle (0.05cm);
			\draw [very thick, ->, -Stealth] (2.25,0.45) --node[near end,above]{$ \vec{F_1} $}(4.5,0.45);
			\draw [very thick, ->, -Stealth] (2.25,0.45) --node[near end,above]{$ \vec{F_2} $}(1,0.45);
			\end{tikzpicture}}}
	\caption{دو نیرو وارد بر جسم}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick,->,-Stealth] (0,0)--node[pos=1.1]{$ x $}(5,0);
			\draw [very thick,fill=gray!30] (1.5,0.2) rectangle (3,0.7);
			\draw [very thick,fill=black] (2.25,0.45) circle (0.05cm);
			\draw [very thick, ->, -Stealth] (2.25,0.45) --node[near end,above]{$ \vec{F_2} $}(0.5,0.45);
			\draw [very thick, ->, -Stealth] (2.25,0.45) --node[below,pos=1]{$ \vec{F_3} $}(3,-0.7);
			\draw[very thick] (2.9,0) arc (0:-23:1cm);
			\node (a) at (3.1,-0.3) {$ \theta $};
			\end{tikzpicture}}}
	\caption{نیروی مورب وارد بر جسم}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick,->,-Stealth] (0,0.2)--node[pos=1.1]{$ x $}(5,0.2);
			\draw [very thick,fill=gray!30] (1.5,0.2) rectangle (3,0.7);
			\draw [very thick,fill=black] (2.25,0.45) circle (0.05cm);
			\draw [very thick, ->, -Stealth] (2.25,0.45) --node[near end,above]{$ \vec{F_2} $}(0.5,0.45);
			\draw [very thick, ->, -Stealth] (2.25,0.45) --node[below,pos=1]{$ \vec{F_3} $}(3,-0.7);
			\draw[very thick] (2.9,0.2) arc (0:-30:1cm);
			\node (a) at (3.1,-0.2) {$ \theta $}; 
			\node (a) at (6,0.2) {$ \Rightarrow $}; 
			
			\draw[->,-Stealth] (6.5,0.2)--node[pos=1.1]{$ x $}(11.5,0.2);
			\draw [very thick,fill=black] (9,0.2) circle (0.05cm);
			\draw [very thick, ->, -Stealth] (9,0.2) --node[near end,above]{$ \vec{F_2} $}(7.25,0.2);
			\draw [very thick, ->, -Stealth] (9,0.2) --node[below,pos=1]{$ \vec{F_3} $}(9.75,-0.7);
			\draw[very thick] (9.65,0.2) arc (0:-34:1cm);
			\node (a) at (9.85,-0.2) {$ \theta $}; 
			\end{tikzpicture}}}
	\caption{شکل سیگنال
		$ x{[n]} $}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[->,-Stealth] (0,2.5)--node[pos=1.1]{$ x $}(5,2.5);
			\draw[->,-Stealth] (2.5,0)--node[pos=1.1]{$ y $}(2.5,7);
			\draw[very thick,->,-Stealth] (2.5,3)--node[near end,left]{$ \vec{F_2} $}(2.5,6.5);
			\draw[very thick,->,-Stealth] (2.5,2.5)--node[pos=1.3]{$ \vec{a} $}(3.2,3.7);
			\draw[very thick,->,-Stealth] (2.5,2.5)--node[near end,below]{$ \vec{F_1} $}(1,1.6);
			\draw[very thick,fill=gray!30] (2.5,2.5) circle (0.5cm);
			\draw (3.3,2.5) arc (0:50:1cm);
			\node (a) at (3.7,3) {$ 50^{\text{o}}$};
			\draw[very thick,fill=gray!30] (2.5,2.5) circle (0.5cm);
			\draw (1.5,2.5) arc (180:210:1cm);
			\node (a) at (1.1,2.1) {$ 30^{\text{o}}$};  
			\end{tikzpicture}}}
	\caption{شکل سیگنال
		$ x{[n]} $}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[->,-Stealth] (0,2.5)--node[pos=1.1]{$ x $}(5,2.5);
			\draw[->,-Stealth] (2.5,0)--node[pos=1.1]{$ y $}(2.5,7);
			\draw[very thick,->,-Stealth] (2.5,3)--node[near end,left]{$ \vec{F_2} $}(2.5,6.5);
			\draw[very thick,->,-Stealth] (2.5,2.5)--node[pos=1.3]{$ \vec{a} $}(3.2,3.7);
			\draw[very thick,->,-Stealth] (2.5,2.5)--node[near end,below]{$ \vec{F_1} $}(1,1.6);
			\draw[very thick,->,-Stealth] (2.5,2.5)--node[pos=1.2]{$ \vec{F_3} $}(4,1.2);
			\draw[very thick,fill=gray!30] (2.5,2.5) circle (0.5cm);
			
			\draw (3.3,2.5) arc (0:50:1cm);
			\node (a) at (3.7,3) {$ 50^{\text{o}}$};
			\draw (1.5,2.5) arc (180:210:1cm);
			\node (a) at (1.1,2.1) {$ 30^{\text{o}}$};  
			\draw (3.5,2.5) arc (0:-40:1cm);
			\node (a) at (3.8,2.1) {$ 40^{\text{o}}$}; 
			\end{tikzpicture}}}
	\caption{شکل سیگنال
		$ x{[n]} $}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{1}{	\boldmath{
			\begin{tikzpicture}
			\draw[->,-Stealth] (0,2.5)--node[pos=1.1]{$ x $}(5,2.5);
			\draw[->,-Stealth] (2.5,0)--node[pos=1.1]{$ y $}(2.5,7);
			\draw[very thick,->,-Stealth] (2.5,3)--node[near end,left]{$ \vec{F_2} $}(2.5,6.5);
			\draw[very thick,->,-Stealth] (2.5,2.5)--node[right,pos=1.1]{$ a\sin50^{\text{o}}$}(2.5,3.5);
			\draw[very thick,->,-Stealth] (2.5,2.5)--node[above,pos=1.1]{$ a\cos50^{\text{o}}$}(3.5,2.5);
			\draw[very thick,->,-Stealth] (2.5,2.5)--node[pos=1.1,right]{$ F_1\sin30^{\text{o}} $}(2.5,0.5);
			\draw[very thick,->,-Stealth] (2.5,2.5)--node[pos=1.1,below]{$ F_1\cos30^{\text{o}} $}(0.5,2.5);
			\end{tikzpicture}}}
	\caption{شکل سیگنال
		$ x{[n]} $}
\end{figure}
	\begin{figure}[h!]
	\centering
	\scalebox{.8}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick] (5,10) ellipse (3 and 1) node[align=center] {Primary control for\\[8pt]an islanded Microgrid};
			
			\draw[very thick,->,-Stealth] (5,9) -- (5,8.5) --(-1,8.5) -- (-1,8);
			\draw[very thick,->,-Stealth] (5,9) -- (5,8.5) --(10,8.5) -- (10,8);
			\draw[very thick,rounded corners] (-4.5,6) rectangle (2.5,8) node[pos=.5]{Communication based methods};
			\draw[very thick,rounded corners] (6.5,6) rectangle (13.5,8) node[align=center,pos=0.5]{Without communication methods\\[8pt](Droop-based methods)};
			
			\draw[very thick] (-4,6)--(-4,2)--(-3.9,2);
			\draw[very thick,->,-Stealth] (-4,5) --node[pos=4.7]{Centralized control} (-3.5,5);
			\draw[very thick,->,-Stealth] (-4,4) --node[pos=4.7]{Distributed control} (-3.5,4);
			\draw[very thick,->,-Stealth] (-4,3) --node[pos=5]{Master-slave control} (-3.5,3);
			\draw[very thick,->,-Stealth] (-4,2) --node[pos=5]{Angle Droop control} (-3.5,2);
			
			\draw[very thick] (7.5,6)--(7.5,5.5)--(3.5,5.5)--(3.5,-4)--(3.6,-4);
			\draw[very thick,->,-Stealth] (3.5,5) --node[pos=5.5]{P-F/Q-U droop control} (4,5);
			\draw[very thick,->,-Stealth] (3.5,3) --node[align=center,pos=8.5]{Complementary P-F/Q-U droop control} (4,3);
			\draw[very thick,->,-Stealth] (3.5,-3) --node[align=center,pos=5.5]{P-U/Q-F droop control} (4,-3);
			\draw[very thick,->,-Stealth] (3.5,-4) --node[align=center,pos=6.3]{Virtual frame transformation} (4,-4);
			
			\draw[very thick] (6,2.5)--(6,-2)--(6.1,-2);
			\draw[very thick,->,-Stealth] (6,2) --node[align=center,pos=2.9]{Filter Improvement} (7,2);
			\draw[very thick,->,-Stealth] (6,1) --node[align=center,pos=3.3]{Adding derivative terms} (7,1);
			\draw[very thick,->,-Stealth] (6,0) --node[align=center,pos=4]{Virtual impedance consideration} (7,0);
			\draw[very thick,->,-Stealth] (6,-1) --node[align=center,pos=4]{Voltage regulation improvement} (7,-1);
			\draw[very thick,->,-Stealth] (6,-2) --node[align=center,pos=4]{Voltage regulation and\\[2pt]transient response improvement} (7,-2);
			
			\draw[very thick] (4.5,-4.5)--(4.5,-6)--(4.6,-6);
			\draw[very thick,->,-Stealth] (4.5,-5) --node[align=center,pos=4.4]{Virtual P-Q frame} (5,-5);
			\draw[very thick,->,-Stealth] (4.5,-6) --node[align=center,pos=4.4]{Virtual $ \omega $-E frame} (5,-6);
			\end{tikzpicture}}}
	\caption{کنترل اولیه در یک ریزشبکه جزیره‌ای}
\end{figure}
\begin{figure}[!ht]
	\centering
	\scalebox{0.8}{	\boldmath{
			\begin{tikzpicture}
			\draw[very thick] (3,10) ellipse (2 and 1) node[align=center] {Secondary control};
			
			\draw[very thick,->,-Stealth] (3,9) -- (3,8.5) --(-1,8.5) -- (-1,8);
			\draw[very thick,->,-Stealth] (3,9) -- (3,8.5) --(7,8.5) -- (7,8);
			\draw[very thick,rounded corners] (-3,7) rectangle (1,8) node[pos=.5]{Centralized Control};
			\draw[very thick,rounded corners] (5,7) rectangle (9,8) node[align=center,pos=0.5]{Distributed Control};
			
			\draw[very thick] (6,7)--(6,4)--(6.1,4);
			\draw[very thick,->,-Stealth] (6,6) --node[pos=6.6]{Multiagent-Based Techniques} (6.5,6);
			\draw[very thick,->,-Stealth] (6,5) --node[pos=8.1]{Model-Predective Control Techniques} (6.5,5);
			\draw[very thick,->,-Stealth] (6,4) --node[pos=8.1]{Consensus-Based Control Techniques} (6.5,4);
			\end{tikzpicture}}}
	\caption{کنترل ثانویه}
\end{figure}
\end{document}