63 lines
3.0 KiB
TeX
63 lines
3.0 KiB
TeX
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\documentclass{standalone}
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%
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\usepackage{tikz}
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\usepackage{pgfplots}
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\usepackage{xcolor}
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\usepackage{fontspec}
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\setmainfont{Montserrat}
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%
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\title{Effetto Doppler}
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\begin{document}
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\tikzset{
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partial ellipse/.style args = {#1:#2:#3}{insert path={+ (#1:#3) arc (#1:#2:#3)}},
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human/.pic = {
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\draw [fill] (0,0) circle (0.3cm);
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\draw [thick] (0,0) circle -- (0,-1.5);
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\draw [thick] (-0.5,-1) -- (0,-0.5) -- (0.5,-1);
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\draw [thick] (-0.5,-2) -- (0,-1.5) -- (0.5,-2);
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},
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ambulance/.pic = {
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\draw [fill=red, thick] (4,0) -- (4.1,0.6) -- (4.5,0.6) -- (4.6,0) -- (4,0);
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\draw [fill=white, thick] (0,0) -- (5,0) -- (6,-3) -- (6.5,-3.2) -- (6.5,-4) -- (-1,-4) -- (0,0);
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\draw [fill=red, thick] (6.5,-3.7) -- (-0.92,-3.7) -- (-0.87,-3.5) -- (6.5,-3.5) -- (6.5,-3.7);
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\draw [thick] (-0.12,-0.5) -- (5.17,-0.5);
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\draw [fill=red, thick] (4,0) -- (4.1,0.6) -- (4.5,0.6) -- (4.6,0) -- (4,0);
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\draw [fill=blue!50!white] (4,-1) -- (5.1,-1) -- (5.6,-2.5) -- (4,-2.5) -- (4,-1);
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\draw [fill, thick] (5,-4) circle (0.6cm);
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\draw [fill=blue!70!white, thick] (5,-4) circle (0.3cm);
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\draw [fill, thick] (0,-4) circle (0.6cm);
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\draw [fill=blue!70!white, thick] (0,-4) circle (0.3cm);
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},
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}
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\begin{tikzpicture}
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\node at (3.5,9.5) {\textcolor{black}{\fontsize{23}{24}\selectfont Sorgente e ricevitore}};
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\node at (3.5,8.5) {\textcolor{black}{\fontsize{23}{24}\selectfont fermi}};
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\draw [color=blue!50!white, ultra thick] (4.2,0.6) circle (4cm);
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\draw [color=blue!50!white, ultra thick, dashed] (4.2,0.6) circle (5cm);
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\draw [color=blue!50!white, ultra thick] (4.2,0.6) circle (6cm);
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\draw [color=blue!50!white, ultra thick, dashed] (4.2,0.6) circle (7cm);
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\pic at (0,0) {ambulance};
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\begin{axis}[axis line style={draw=none}, tick style={draw=none}, yticklabels=\empty, xticklabels=\empty, xshift=6.65cm, yshift=-4cm, scale=0.8]%
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\addplot[domain=-1:3,samples=50,smooth,ultra thick,gray] {cos(deg((pi+0.3)*x))};
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\end{axis}
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\pic at (13,-2.5) {human};
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%
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\begin{scope}[shift={(20,0)}]
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\node at (3.5,9.5) {\textcolor{black}{\fontsize{23}{24}\selectfont Sorgente in movimento}};
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\node at (3.5,8.5) {\textcolor{black}{\fontsize{23}{24}\selectfont ricevitore fermo}};
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\draw [color=blue!50!white, ultra thick] (4.2,0.6) circle (4cm);
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\draw [color=blue!50!white, ultra thick, dashed] (3.7,0.6) circle (5cm);
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\draw [color=blue!50!white, ultra thick] (3.2,0.6) circle (6cm);
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\draw [color=blue!50!white, ultra thick, dashed] (2.7,0.6) circle (7cm);
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\pic at (0,0) {ambulance};
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\begin{axis}[axis line style={draw=none}, tick style={draw=none}, yticklabels=\empty, xticklabels=\empty, xshift=6.65cm, yshift=-4cm, scale=0.8]%
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\addplot[domain=0:2,samples=50,smooth,ultra thick,blue] {cos(deg((2*pi)*x))};
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\end{axis}
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\begin{axis}[axis line style={draw=none}, tick style={draw=none}, yticklabels=\empty, xticklabels=\empty, xshift=-6cm, yshift=-4cm, scale=0.8]%
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\addplot[domain=0:2,samples=50,smooth,ultra thick,red] {cos(deg((3/2 * pi)*x))};
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\end{axis}
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\pic at (13,-2.5) {human};
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\end{scope}
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%
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\end{tikzpicture}
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\end{document}
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