k-th spectral moment

m_k = sum(freqs^k * psd) * df. Used to derive mean, median, edge, and higher-order frequency descriptors.

Usage

morie_dsp_spectral_moment(psd, freqs, order = 0L)

Arguments

psd

PSD vector.

freqs

Matching frequency vector.

order

Moment order. Default 0.

Value

Scalar moment.

References

Rangayyan & Krishnan (2015), Ch. 6, sec. 6.6.