54 lines
1.5 KiB
TeX
54 lines
1.5 KiB
TeX
% Author: Prof. Dr. Matthias Jung, DL9MJ
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% Year: 2025
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\begin{tikzpicture}
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\begin{axis}[%
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/pgf/number format/1000 sep={ },
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/pgf/number format/use comma,
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axis lines=middle,
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axis line style={-Triangle},
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ytick={-2,-1,0,1,2},
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every major tick/.append style={thick, black},
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yticklabels={-2~V,-1~V,0,1~V,2~V},
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grid=major,
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grid style={line width=.1pt, draw=gray!10},
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major grid style={line width=.2pt,draw=gray!50},
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xticklabel=\empty,
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xtick style={draw=none},
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xmin=0,
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xmax=64,
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ymin=-2.4,
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ymax=3.0,
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xmajorgrids=false,
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xlabel style={at={(ticklabel* cs:1)},anchor=north east},
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ylabel style={at={(ticklabel* cs:1)},anchor=north east},
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ylabel={$U_\mathrm{A}$},
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xlabel={$t$},
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width=\linewidth*\getDarcImageFactor,
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height=4cm,
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scale only axis,
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]
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% konstante Taktzeitpunkte
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\addplot[
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only marks,
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mark=*,
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mark size=0.45pt,
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gray,
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samples at={0,1,...,64}
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] {-2.2};
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% Phaseninkrement +2
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% N = 32 Tabelleneinträge, pro Takt wird die Phase um 2 erhöht
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\addplot[
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const plot,
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samples at={0,1,...,64},
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DARCred,
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thick
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] {
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(round(sin(360*2*x/32) * 1.5/2 * 7.5 + 0.5) - 0.5) / 7.5 * 2
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};
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\node[anchor=north west, DARCred] at (axis cs:2,2.7) {$\varphi_{n+1} = \varphi_n + 2$};
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\end{axis}
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\end{tikzpicture}% |