Estimation of Evolutionary Spectra of Monitored Seismic Ground Motions by Transformation of Correlation Functions

Figure 8

Comparison between the stochastic errors of the proposed method and Priestley’s method : (a) at time instant t = 2 s; (b) at time instant t = 4 s; (c) at time instant t = 12 s.

(a)

(b)

(c)