Periodogram PSD estimate

One-sided rFFT-based periodogram. Inner bins are doubled to fold negative-frequency power into the one-sided spectrum.

Usage

morie_dsp_psd_periodogram(x, fs = 1)

Arguments

x

Numeric vector.

fs

Sampling frequency (Hz). Default 1.

Value

List with freqs and psd, both length floor(N/2)+1.

References

Rangayyan & Krishnan (2015), Ch. 6, sec. 6.4.