IEEE 802.15.4 subsystem
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Source at commit e587d39d3de00ff5e40ec80b9683c9a32778f722 created 7 years 7 months ago. By Werner Almesberger, atusb/usb.sch, atusb.pro: replace CONN_1 with TESTPOINT | |
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1 | #!/bin/sh |
2 | |
3 | if [ -z "$1" ]; then |
4 | echo "usage: $0 file [center]" 1>&2 |
5 | exit 1 |
6 | fi |
7 | if [ ! -f "$1" ]; then |
8 | echo "$1: not found" 1>&2 |
9 | exit 1 |
10 | fi |
11 | |
12 | c=${2:--25} |
13 | |
14 | gnuplot -persist <<EOF |
15 | set xlabel "MHz" |
16 | set ylabel "dB" |
17 | set yrange [$c-5:$c+5] |
18 | set grid |
19 | plot "<sed '\$d' $1" using (\$1):(log(\$3)/log(10)*10) with lines notitle |
20 | EOF |
21 |