Online Modal Identification of Concrete Dams Using the Subspace Tracking-Based Method

<div>Frequency (f1∼f4) and damping ratio (ξ1∼ξ4) identification results of simulation case 1 (SNR = 40 dB): identification results for (a) natural frequencies using GYAST-RSSI and (b) damping ratios using GYAST-RSSI.</div>

Shock and Vibration

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Figure 6

Figure 6: Online Modal Identification of Concrete Dams Using the Subspace Tracking-Based Method 