RSEIS (version 2.1-6)

scal2freqs: Wavelet Frequency Scale

Description

Get frequencies associated with the wavelet transform.

Usage

scal2freqs(octs, dt, plot = FALSE)

Arguments

octs

number of octaves

dt

sample rate, s

plot

logical, TRUE=plot

Value

• frequency values

Details

Use morelet wavelet to estimate frequency from wavelet transform.

See Also

Mmorlet, fft

Examples

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)