Important Notions and Definitions Random Processes • Spectra of Deterministic Signals • Spectra of Random Processes 14.3 The Problem of Power Spectrum Estimation 14.4 Nonparametric Spectrum Estimation Periodogram • The Bartlett Method • The Welch Method • Blackman-Tukey Method • Minimum Variance Spectrum Estimator • Multiwindow Spectrum Estimator Spectrum Estimation Based on Autoregressive Models • Spectrum Estimation Based on Moving Average Models • Spectrum Estimation Based on Autoregressive Mo