Spectral analysis# Estimating how a signal’s power is spread over frequency, and how that spread changes in time. Schuster’s periodogram (1898) Schuster's periodogram (1898) The Wiener-Khinchin theorem (1934) The Wiener-Khinchin theorem (1934) Gabor’s time-frequency atoms (1946) Gabor's time-frequency atoms (1946) Blackman and Tukey’s spectral windows (1958) Blackman and Tukey's spectral windows (1958) Goertzel’s algorithm (1958) Goertzel's algorithm (1958) Welch’s averaged periodogram (1967) Welch's averaged periodogram (1967)
