This is a short comment pointing to an addition to a previous post https://geoenergymath.com/2019/02/16/autocorrelation-of-enso-power-spectrum/. The context is looking for autocorrelations in the frequency domain of a time-series. Although not as common as performing autocorrelations in the time domain, it is equally as powerful. The earlier idea was to look for harmonics in the periodicity of … Continue reading Autocorrelation in Power Spectra, continued