Structural Condition Monitoring by Cumulative Harmonic Analysis of Random Vibration
Figure 2
Samples of CHA (panel b) and CSA (panel c) magnitude
displays for impulse response of single-degree-of-freedom resonance system
where poles of transfer function are located at in -plane. Panel (a) illustrates sequence
of impulse responses. Maximum magnitude is normalized to unity at every instant
in both panels (b) and (c) and we set .
