93 lines
1.6 KiB
TeX
93 lines
1.6 KiB
TeX
% Author: Dr. Matthias Jung, DL9MJ
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% Year: 2022
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\begin{filecontents*}{sql.csv}
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a, b
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0,4.5
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1,4.3
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2,4.5
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3,4.2
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4,3.8
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5,4.5
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6,4.2
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7,4.0
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8,14
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9,10
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10,15
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11,9
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12,16
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13,11
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14,16
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15,10
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16,15
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17,9
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18,16
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19,9
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20,16
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21,4.5
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22,5
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23,4.2
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24,3.8
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25,4.5
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26,4.2
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27,4.5
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28,5
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29,4.2
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30,3.8
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31,4.5
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32,4.2
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33,4.5
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34,5
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35,4.2
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36,3.8
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37,4
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38,7
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39,5
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40,8
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41,5
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42,8
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43,6
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44,8
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45,6
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46,8
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47,5
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48,8
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49,6
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50,8
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51,4.5
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52,4.5
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53,4.2
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54,3.8
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55,4.5
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56,4.2
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57,4.3
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58,4.2
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59,4.4
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60,4.1
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\end{filecontents*}
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\pgfkeys{/pgf/number format/.cd,1000 sep={}}
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\begin{tikzpicture}
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\begin{axis}[
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axis lines=center,
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axis line style={-Triangle},
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width=\linewidth,
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height=6cm,
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xmin=0,
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xmax=60,
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ymin=0,
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ymax=20,
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ticks=none,
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xlabel={$t$},
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xlabel style={anchor=north},
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ylabel={$U$},
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ylabel style={anchor=east},
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]
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\addplot[smooth, draw=DARCblue, thick] table [x=a, y=b, col sep=comma] {sql.csv};
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\addplot[mark=none, DARCorange, samples=2, thick, dashed, domain=0:60] {8.1};
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\draw[DARCblue](axis cs: 14,18) node[](){Starkes Signal};
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\draw[DARCblue](axis cs: 30,2) node[](){Rauschen};
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\draw[DARCblue](axis cs: 45,10) node[](){Schwaches Signal};
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\draw[DARCorange](axis cs: 30,8.1) node[anchor=north](){Squelch};
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\end{axis}
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\end{tikzpicture} |