From f0325a451f6ffbd3aa7e63833e0693b311f7abfd Mon Sep 17 00:00:00 2001 From: Nao Pross Date: Sun, 31 Oct 2021 20:49:44 +0100 Subject: Start doc on fading channels --- .../figures/tikz/multipath-impulse-response.tex | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 doc/thesis/figures/tikz/multipath-impulse-response.tex (limited to 'doc/thesis/figures/tikz/multipath-impulse-response.tex') diff --git a/doc/thesis/figures/tikz/multipath-impulse-response.tex b/doc/thesis/figures/tikz/multipath-impulse-response.tex new file mode 100644 index 0000000..4826b6f --- /dev/null +++ b/doc/thesis/figures/tikz/multipath-impulse-response.tex @@ -0,0 +1,34 @@ +% vim: set ts=2 sw=2 noet: +\tdplotsetmaincoords{70}{40} +\begin{tikzpicture}[tdplot_main_coords, font = \footnotesize\ttfamily] + \draw[thick, -latex] (0,0,0) -- node[sloped, midway, below, gray] {Effect of the channel} (7,0,0) node[right] {\(t'\)}; + \draw[thick, -latex] (0,0,0) -- node[sloped, midway, above, gray] {How the channel changes} (0,7,0) node[right] {\(t\)}; + \draw[thick, -latex] (0,0,0) -- (0,0,2) node[above] {\(h(t,t')\)}; + + \foreach \y in {1,2,...,4}{ + \draw[dashed, gray] (0,1.5*\y,0) -- ++(7,0,0); + } + + \foreach \x in {1,2,...,6}{ + \draw[dotted, gray] (\x,0,0) -- ++(0,7,0); + } + + % draw 4 responses + \begin{scope}[very thick, -{Circle[fill=white]}] + \foreach \x/\v in {.8/1, 2.2/2, 2.9/1, 4/4, 5.1/7, 5.8/3}{ + \draw[blue!80!red] (\x,1.5*4,0) -- ++(0,0,\v/3); + } + + \foreach \x/\v in {.9/2, 2.1/2, 3/1, 4/3, 5/6, 6/3}{ + \draw[blue!60!red] (\x,1.5*3,0) -- ++(0,0,\v/3); + } + + \foreach \x/\v in {.6/1, 2/1, 2.8/3, 4.1/4, 5.5/4, 6.2/1}{ + \draw[blue!40!red] (\x,1.5*2,0) -- ++(0,0,\v/3); + } + + \foreach \x/\v in {1.1/2, 1.8/1, 3/2, 3.7/1, 4.8/3, 5.8/1}{ + \draw[blue!20!red] (\x,1.5,0) -- ++(0,0,\v/3); + } + \end{scope} +\end{tikzpicture} -- cgit v1.2.1