Figure 2
From: Optimization of Weighting Factors for Multiple Window Spectrogram of Event-Related Potentials
The normalized mean square error for the three bandlimited white noise processes with EQWEI (circles), SCWEI (pluses), and OPTWEI (stars) for different window sets, Thomson multiple windows (TH), Peak Matched multiple windows (PM), Welch method (WO), and Hermite functions (HE): (a) stationary process, (b) long-event nonstationary process, and (c) short-event nonstationary process. (a)Case (b) Case (c)Case