HOW.TO-cal-seis

Calibration of Seismometer with respect to SCG

cd ~/Seismo/gcf/SCG

Decide on a date and import seismograph data:

cd ~/Seismo/gcfscpu -z yyyymmdd.
cd SCG

Make basic data:

cal-seis DS+DG

Make Zacc data for a sequence of Bessel-8 filters (the previous cal-seis produced for 0.01745)

cal-seis D+LB 0.0173 0.0174 0.0175 0.0176 0.0177

Make phase and gain plots:

cal-seis CP+LB -n gain 0.0173 0.0174 0.01745 0.0175 0.0176 0.0177plot-gains tmp/collectplot-gain.filescal-seis CP+LB -n phase -n phase_from_gain 0.0173 0.0174 0.01745 0.0175 0.0176 0.0177plot-phases tmp/collectplot-phase.files

Analyse causal/anticausal and plot:

cal-seis PSC -b 0.01745 cal-seis PSF -b 0.01745

Introduce delays

foreach b ( 0.0173 0.0174 0.01745 0.0175 0.0176 0.0177 )
cal-seis X+LT -b $b - -0.05 -0.025 +0.025 +0.05
end

cal-seis man page

.bye