Perspectives of Second-Order Blind Identification for Operational Modal Analysis of Civil Structures

Table 1

Modal properties of the simulated 6-DOF system.

Mode number	Natural frequency [Hz]	Damping ratio [%]
I	1.509	1.00
II	2.823	0.80
III	3.810	0.81
IV	4.737	0.87
V	5.593	0.95
VI	6.167	1.00