Modal Appropriation for Use with In-Operation Modal Analysis

Table 1

Identification results: INOPMA versus subspace.

Mode	Frequency (Hz)		Damping (%)
	INOPMA	Subspace	INOPMA	Subspace
1	3.93	3.71	4.95	4.9
2	6.15	6.13	3.92	3.6
3	16.09	16.06	4.33	4.05
4	21.88	21.71	5.01	5.73
5	39.86	39.87	0.37	0.38
6	43.96	44.33	0.04	0.03
7	54.36	54.35	0.16	0.11
8	55.42	55.42	0.29	0.22
9	58.36	58.44	0.4	0.38
10	68.67	69.41	1.5	1.12
11	80.24	80.06	0.11	0.09
12	99.93	100.25	0.12	0.11