An Extended Time Series Algorithm for Modal Identification from Nonstationary Ambient Response Data Only

Table 1

The results of initial estimation of ARMA model for quasistationary response data through the three-stage least-square method.

AR parameter		MA parameter
	−5.958		0.404
	14.851		0.940
	−19.820		0.365
	14.937		0.273
	−6.027		0.137
	1.017