Short Data-Based Output-Only Identification for Time-Varying Systems with Fast Dynamic Evolution

<div>Natural frequency estimates by LS (a) and RR (b) for the TV numerical system with slow dynamic evolution (gray dots: natural frequency estimates from the 50 Monte Carlo tests; red dots: natural frequency estimates from the single test; green dashed lines: true values of natural frequencies).</div>

Shock and Vibration

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Figure 2

Figure 2: Short Data-Based Output-Only Identification for Time-Varying Systems with Fast Dynamic Evolution 