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)

Yule’s autoregressive model (1927)

Yule's autoregressive model (1927)

Durbin’s recursion for autoregressive fitting (1960)

Durbin's recursion for autoregressive fitting (1960)

Bogert, Healy and Tukey’s cepstrum (1963)

Bogert, Healy and Tukey's cepstrum (1963)