STLTcurve {RSEIS} | R Documentation |
Get short-term average long-term verage ratio curve for picking
STLTcurve(y, dt = 0.008, fwlen = 125, bwlen = 125, stretch = 1000, MED = 255, PLOT = FALSE)
y |
signal |
dt |
sample rate |
fwlen |
forward window, number of samples |
bwlen |
back window length, number of samples |
stretch |
stretch multiplier |
MED |
median smoother |
PLOT |
logical, TRUE=plot diagnostics |
Uses C-code and fast tanking algorithm written at UW
sample to significant change in ratio curve
Jonathan M. Lees<jonathan.lees.edu>
PSTLTcurve
data(CE1) y = CE1$y DT = CE1$dt sy = STLTcurve(y, dt=DT, fwlen = 25, bwlen = 25, stretch=1000, MED=255, PLOT=FALSE) par(mfrow=c(2,1)) plot(CE1$x, CE1$y, type='l') plot(CE1$x,sy$rat, type='l')