- Sections and slides rewritten in Swedish; German law and institutions replaced by Swedish/CEPT/ITU equivalents (PTS, SSA, PTSFS 2025:1, SSMFS 2008:18), unverified statements marked "% TODO VERIFY" - New toc: INSTEG, HAREC, UPPGRADERING; section idents are Swedish (see ident-map.tsv) - Exam-question tags, BNetzA question pool, solutions and the German SWL course removed - Static pages, snippets, applets, READMEs and image alt-texts translated - TikZ labels translated; SVG drawings regenerated (drawing 689 still fails to build upstream: it references a missing photo) - Changed from the original: not endorsed by DARC e.V., SSA or PTS Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
52 lines
2.3 KiB
TeX
52 lines
2.3 KiB
TeX
% Author: Michael Groni, DB7YI
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% Year: 2023
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\begin{tikzpicture}
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\tikzstyle{digitalNumber}=[draw=DARCgray, fill=white, minimum width=0.5, minimum height=0.5, rounded corners=1, font=\bfseries]
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\tikzstyle{phaseShift}=[fill=DARCorange, font=\tiny, inner sep=1, align=center]
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\tikzset{
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phaseshiftPic/.pic={
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\node [phaseShift, regular polygon, regular polygon sides=3, rotate=180, minimum size=4, inner sep=0] at (0, 0) {};
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\node [phaseShift, anchor=south] at (0,0) {Fas-\\[-0.1em]skifte};
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}
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}
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\def\yNumbers{-5.2}
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\def\yPins{-0.5}
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\begin{axis}[
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axis lines=middle,
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width=\linewidth*\getDarcImageFactor,
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height=4cm,
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scale only axis,
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yticklabel=\empty, ytick={},
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xticklabel=\empty, xtick distance=5*360, xmajorgrids,
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scaled ticks=false,
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clip=false,
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xlabel={$t$},xlabel style={anchor=north}, ylabel={$U$}, ylabel style={anchor=east}, title=PSK,
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xmin=0, xmax=11100, ymin=-4.7, ymax=4.7, axis line style={-triangle 60} % xmax: 11100 = 30*360 + 300
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]
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\addplot [ draw=DARCblue, domain=0:5*360, samples=800 ] {4*sin(0.8*x)};
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\addplot [ draw=DARCblue, domain=5*360:10*360, samples=800 ] {4*sin(0.8*x)};
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\addplot [ draw=DARCblue, domain=10*360:15*360, samples=800 ] {4*sin(0.8*x+180)};
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\addplot [ draw=DARCblue, domain=15*360:20*360, samples=800 ] {4*sin(0.8*x)};
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\addplot [ draw=DARCblue, domain=20*360:25*360, samples=800 ] {4*sin(0.8*x+180)};
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\addplot [ draw=DARCblue, domain=25*360:30*360, samples=800 ] {4*sin(0.8*x+180)};
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\pic at (axis cs: 10*360, \yPins) {phaseshiftPic};
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\pic at (axis cs: 15*360, \yPins) {phaseshiftPic};
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\pic at (axis cs: 20*360, \yPins) {phaseshiftPic};
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%\node [phaseShift] at (axis cs: 10*360, \yPins) {Phasen-\\[-0.1em]wechsel};
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%\node [phaseShift] at (axis cs: 15*360, \yPins) {Phasen-\\[-0.1em]wechsel};
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%\node [phaseShift] at (axis cs: 20*360, \yPins) {Phasen-\\[-0.1em]wechsel};
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\node [digitalNumber] at (axis cs: 2.5*360, \yNumbers) {0};
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\node [digitalNumber] at (axis cs: 7.5*360, \yNumbers) {0};
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\node [digitalNumber] at (axis cs: 12.5*360, \yNumbers) {1};
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\node [digitalNumber] at (axis cs: 17.5*360, \yNumbers) {0};
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\node [digitalNumber] at (axis cs: 22.5*360, \yNumbers) {1};
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\node [digitalNumber] at (axis cs: 27.5*360, \yNumbers) {1};
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\end{axis}
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\end{tikzpicture} |