Plot "Welch" Periodogram

Usage

pwelch(
  x,
  fs,
  window = 64,
  noverlap = 8,
  nfft = 256,
  col = "black",
  xlim = NULL,
  ylim = NULL,
  main = "Welch periodogram",
  plot = TRUE,
  log = "xy",
  spec_func = stats::spectrum,
  cex = 1,
  ...
)

Arguments

x: signal
fs: sample rate
window: window length, default 128
noverlap: overlap between two adjacent windows, by default is 8
nfft: number of basis functions
col, xlim, ylim, main, cex, ...: will be passed to plot
plot: logical, plot the result or not
log: indicates which axis should be log10 value. options are '', 'x', 'y', 'xy'.
spec_func: deprecated