IEEE 802.15.4 subsystem
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IEEE 802.15.4 subsystem Commit Details
Date: | 2010-12-01 14:47:14 (13 years 3 months ago) |
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Author: | Werner Almesberger |
Commit: | b3c0b4bf62ba394e85a909d19b8ec71bd6a9b074 |
Message: | usrp: update filtering and display for uncorrupted measurement setup We now have a much wider dynamic range of the signal (with better SNR). The outliers are mainly WLAN interferences. - usrp/evscan: changed threshold from -50 dB to -70 dB - usrp/evscan: increase outlier tolerance from 2 dB to 10 dB - usrp/plscan: changed display range from [-35:-25] to [-40:-5] |
Files: |
usrp/evscan (1 diff) usrp/plscan (1 diff) |
Change Details
usrp/evscan | ||
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18 | 18 | for f in "$1"/24*; do |
19 | 19 | echo -n `basename "$f"` '' |
20 | 20 | for n in "$f"/data*; do |
21 | ./fft $opts -s 100 0 20 50 <"$n" || echo "fft failed for $n" 1>&1 | |
22 | done | ./range -v 2 | |
21 | ./fft $opts -s 100 0 20 70 <"$n" || echo "fft failed for $n" 1>&1 | |
22 | done | ./range -v 10 | |
23 | 23 | done |
usrp/plscan | ||
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19 | 19 | set xlabel "MHz" |
20 | 20 | set ylabel "dB" |
21 | 21 | set xrange [2402:2483] |
22 | set yrange [-35:-25] | |
22 | set yrange [-40:-5] | |
23 | 23 | set title "Received signal strength" |
24 | 24 | set data style errorlines |
25 | 25 | plot \ |