scal2freqs {RSEIS} | R Documentation |
Get frequencies associated with the wavelet transform.
scal2freqs(octs, dt, plot = FALSE)
octs |
number of octaves |
dt |
sample rate, s |
plot |
logical, TRUE=plot |
Use morelet wavelet to estimate frequency from wavelet transform.
frequency values
Jonathan M. Lees<jonathan.lees.edu>
Mmorlet, fft
noctave= 6 nvoice= 20 dt = 0.004 i1 = sort(rep(c(1:noctave), times=nvoice)) jj = rep(c(0:(nvoice-1)), times=noctave) sa = 2^(i1+jj/nvoice) efs = scal2freqs(sa, dt)