Jpp 19.3.0-rc.3
the software that should make you happy
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JFFT.sh
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1#!/usr/bin/env zsh
2#
3# \author mdejong
4#
5version=1.0
6script=${0##*/}
7
8if [ -z $JPP_DIR ]; then
9 echo "Variable JPP_DIR undefined."
10 exit
11fi
12
13source $JPP_DIR/setenv.sh $JPP_DIR
14
15zmodload zsh/mathfunc
16
17set_variable DEBUG 2
18set_variable FREQUENCY 1.0e+3
19set_variable BINWIDTH 2.0e-4
20set_variable NUMBER_OF_POINTS 1000
21set_variable WORKDIR ${TMPDIR:-/tmp}/
22
23if do_usage $*; then
24 usage "$script"
25fi
26
27$JPP_DIR/examples/JFFT/JSpectrum \
28 -o $WORKDIR/spectrum.txt \
29 -n $NUMBER_OF_POINTS \
30 -F $FREQUENCY \
31 -B $BINWIDTH \
32 -d $DEBUG
33
34JFFT \
35 -f $WORKDIR/spectrum.txt \
36 -o $WORKDIR/fft.txt \
37 -B $BINWIDTH \
38 -d $DEBUG
39
40sort -g -k 2,2 $WORKDIR/fft.txt | tail -1 | read -A RESULT
41
42echo "Frequency $FREQUENCY - FFT $RESULT[1] $RESULT[2]"
43
44rm -f $WORKDIR/{spectrum.txt,fft.txt}