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authorNicolas Schodet2009-07-25 22:01:20 +0200
committerNicolas Schodet2009-07-25 22:01:20 +0200
commitc093caef6d9291ccd0409cb475ca034f87032a63 (patch)
treeec1cd391f5ed8dccdb42fd2fb98a65c01af774d3 /digital/beacon/tdoa
parentbc6e46cce9e2f6e4555a2c6cff1521a522156c6d (diff)
* digital/beacon/tdoa/doc (re #73):
- added TDoA beacon systems precision evaluation graphs. - added TDoA drawing.
Diffstat (limited to 'digital/beacon/tdoa')
-rw-r--r--digital/beacon/tdoa/doc/tdoa-large.plot14
-rw-r--r--digital/beacon/tdoa/doc/tdoa-small.plot25
-rw-r--r--digital/beacon/tdoa/doc/tdoa_drawing.svg358
3 files changed, 397 insertions, 0 deletions
diff --git a/digital/beacon/tdoa/doc/tdoa-large.plot b/digital/beacon/tdoa/doc/tdoa-large.plot
new file mode 100644
index 00000000..ed7200f2
--- /dev/null
+++ b/digital/beacon/tdoa/doc/tdoa-large.plot
@@ -0,0 +1,14 @@
+set xrange [0:3000]
+set yrange [0:2100]
+tdoa (x, y, x0, y0, x1, y1) = sqrt ((x - x0)**2 + (y - y0)**2) - sqrt ((x - x1)**2 + (y - y1)**2)
+tdoa_b12 (x, y) = tdoa (x, y, 3000, 0, 3000, 2100)
+tdoa_b23 (x, y) = tdoa (x, y, 3000, 0, 0, 1050)
+tdoa_b31 (x, y) = tdoa (x, y, 3000, 2100, 0, 1050)
+set contour
+set cntrparam levels 50
+unset surface
+set view map
+unset clabel
+set term png
+set output 'tdoa-large.png'
+splot tdoa_b12 (x, y), tdoa_b23 (x, y), tdoa_b31 (x, y)
diff --git a/digital/beacon/tdoa/doc/tdoa-small.plot b/digital/beacon/tdoa/doc/tdoa-small.plot
new file mode 100644
index 00000000..d11af962
--- /dev/null
+++ b/digital/beacon/tdoa/doc/tdoa-small.plot
@@ -0,0 +1,25 @@
+set xrange [-1000:1000]
+set yrange [-1000:1000]
+tdoa (x, y, x0, y0, x1, y1) = sqrt ((x - x0)**2 + (y - y0)**2) - sqrt ((x - x1)**2 + (y - y1)**2)
+set isosamples 50
+set pm3d
+unset surface
+set term png
+set output 'tdoa-small_tm3d.png'
+splot tdoa (x, y, 4, -4, -4, 4)
+
+set contour
+set cntrparam levels 15
+unset pm3d
+set view map
+unset clabel
+set term png
+set output 'tdoa-small_contour.png'
+#splot tdoa (x, y, -4, -4, 4, 4), tdoa (x, y, -4, 4, 4, -4)
+#splot tdoa (x, y, -15, 0, -10, 0), tdoa (x, y, 15, 0, 10, 0)
+splot tdoa (x, y, -15, 0, -11, -4), tdoa (x, y, 15, 0, 15, -4)
+#set cntrparam levels discrete 8.42638136229502
+#set cntrparam levels discrete 2.99544039802068
+#set cntrparam levels discrete 5.43094096427434
+#splot tdoa (x, y, -4, -4, 0, 4), tdoa (x, y, 4, -4, 0, 4), tdoa (x, y, -4, -4, 4, -4)
+
diff --git a/digital/beacon/tdoa/doc/tdoa_drawing.svg b/digital/beacon/tdoa/doc/tdoa_drawing.svg
new file mode 100644
index 00000000..cd7852cf
--- /dev/null
+++ b/digital/beacon/tdoa/doc/tdoa_drawing.svg
@@ -0,0 +1,358 @@
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