Isomap-Based Three-Dimensional Operational Modal Analysis

Table 3

Comparison of MAC of modal shapes with different assembly methods.

Order of real modal shape	Order of identified modal shape	identified by the LSMS-based Isomap	identified by DMA-based Isomap
1	2	0.8783	0.6564
2	1	0.6837	0.6180
3	3	0.5634	0.7817
4	4	0.4238	0.5241
5	6	0.0014	0.0049
7	5	0.6495	0.8932