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| author | Nao Pross <np@0hm.ch> | 2021-10-31 00:20:51 +0200 |
|---|---|---|
| committer | Nao Pross <np@0hm.ch> | 2021-10-31 00:29:54 +0200 |
| commit | adc00a39baff866a3b68b52ffc55a4aae71e61c4 (patch) | |
| tree | e4898c12f2199cba12507f7ed6a611c0f1093ddf /doc/thesis/figures/tikz/psk-constellation.tex | |
| parent | Doku Implementation Teil angefangen. (diff) | |
| download | Fading-adc00a39baff866a3b68b52ffc55a4aae71e61c4.tar.gz Fading-adc00a39baff866a3b68b52ffc55a4aae71e61c4.zip | |
Fix math error in QAM, improve QAM modulator diagram, rename (wrong) QPSK to PSK
Diffstat (limited to 'doc/thesis/figures/tikz/psk-constellation.tex')
| -rw-r--r-- | doc/thesis/figures/tikz/psk-constellation.tex | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/doc/thesis/figures/tikz/psk-constellation.tex b/doc/thesis/figures/tikz/psk-constellation.tex new file mode 100644 index 0000000..d927b19 --- /dev/null +++ b/doc/thesis/figures/tikz/psk-constellation.tex @@ -0,0 +1,23 @@ +% vim: set ts=2 sw=2 noet: +\begin{tikzpicture}[ + axis/.style = { + thick, -latex, black, + }, + star/.style = { + draw = black, thick, fill = red!50, + circle, outer sep = 1mm, inner sep = 0, + minimum size = 1.5mm, + }, + ] + \draw[axis] (-25mm,0) to (25mm,0) node[right] {\(\phi_i\)}; + \draw[axis] (0,-25mm) to (0,25mm) node[above] {\(\phi_q\)}; + + \draw[lightgray, densely dotted, thick] (0,0) circle (15mm); + \foreach \a in {0,1,...,8}{ + \node[star] (s\a) at ({360/8*(.5 + \a)}:15mm) {}; + } + + \foreach \i/\l in {0/000,1/001,2/011,3/010,4/110,5/111,6/101,7/100}{ + \node[lightgray] at ($(s\i) + ({360/8*(.5 + \i)}:5mm)$) {\texttt{\l}}; + } +\end{tikzpicture} |