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usrp/plot: enable grid and accept center sensitivity from the command line

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This commit is contained in:
Werner Almesberger 2010-11-12 11:53:22 -03:00
parent 417ef7b8c1
commit 044c1528c7
1 changed files with 7 additions and 2 deletions
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9
usrp/plot
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@ -1,15 +1,20 @@
#!/bin/sh #!/bin/sh
if [ -z "$1" ]; then if [ -z "$1" ]; then
echo "usage: $0 file" 1>&2 echo "usage: $0 file [center]" 1>&2
exit 1 exit 1
fi fi
if [ ! -f "$1" ]; then if [ ! -f "$1" ]; then
echo "$1: not found" 1>&2 echo "$1: not found" 1>&2
exit 1 exit 1
fi fi
c=${2:--25}
gnuplot -persist <<EOF gnuplot -persist <<EOF
set xlabel "MHz" set xlabel "MHz"
set ylabel "dB" set ylabel "dB"
set yrange [-30:-20] set yrange [$c-5:$c+5]
set grid
plot "<sed '\$d' $1" using (\$1):(log(\$3)/log(10)*10) with lines notitle plot "<sed '\$d' $1" using (\$1):(log(\$3)/log(10)*10) with lines notitle
EOF EOF