Autocorrelation Analysis in Time and Frequency Domains for Passive Structural Diagnostics

Figure 2

Impulse response power spectra: condition 1 (a), condition 2 (b), condition 3 (c), and condition 4 (d). Autocorrelation functions: condition 1 (e), condition 2 (f), condition 3 (g), and condition 4 (h).