Root/usrp/plpk

Source at commit 762d33cf5dbc344926b91d736f3c4982ec7bea93 created 7 years 7 months ago.
By Werner Almesberger, Merge branch 'master' of projects.qi-hardware.com:ben-wpan
1#!/bin/sh
2
3if [ -z "$1" ]; then
4    echo "usage: $0 file [center]" 1>&2
5    exit 1
6fi
7if [ ! -f "$1" ]; then
8    echo "$1: not found" 1>&2
9    exit 1
10fi
11
12c=${2:--25}
13
14gnuplot -persist <<EOF
15set xlabel "MHz"
16set ylabel "dB"
17set yrange [$c-5:$c+5]
18set grid
19plot "<sed '\$d' $1" using (\$1):(log(\$3)/log(10)*10) with lines notitle
20EOF
21

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