Time-Varying Modal Parameters Identification by Subspace Tracking Algorithm and Its Validation Method

<div>Reference results and estimated results by NIC algorithm with SNR = 0.5: (a) without the validation method; (b) with the validation method.</div>

Shock and Vibration

fig6

Figure 6

Figure 6: Time-Varying Modal Parameters Identification by Subspace Tracking Algorithm and Its Validation Method 