A Bayesian Structural Modal Updating Method Based on Sparse Grid and Ensemble Kalman Filter

Table 4

MPV and variance of the updated parameters in the Nest.

Variables	Reference data	Kalman filter		Propose method
		MPV	Variance	MPV	Variance
	0.9318	0.9056	0.1279	0.9252	0.1134
	0.9467	0.9324	0.1465	0.9421	0.0967
	0.9157	0.8918	0.1298	0.9007	0.0994