Moving Window Differential Evolution Independent Component Analysis-Based Operational Modal Analysis for Slow Linear Time-Varying Structures

<div>Comparison between the identified frequencies and theoretical frequencies. (a) Comparison of first-order modal frequencies, (b) Comparison of second-order modal frequencies, (c) Comparison of third-order modal frequencies.</div>

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Figure 5

Figure 5: Moving Window Differential Evolution Independent Component Analysis-Based Operational Modal Analysis for Slow Linear Time-Varying Structures 

Figure 5 | Moving Window Differential Evolution Independent Component Analysis-Based Operational Modal Analysis for Slow Linear Time-Varying Structures 