Research Article
Isomap-Based Three-Dimensional Operational Modal Analysis
Table 6
Comparison of MAC at different dimensions.
| FEA method | LSMS method | | |
| Real order | Identify order | | Order | | 1 | 2 | 0.8783 | 2 | 0.8783 | 2 | 1 | 0.6837 | 1 | 0.6837 | 3 | 3 | 0.5634 | 3 | 0.5634 | 4 | 4 | 0.4238 | 4 | 0.4238 | 5 | 6 | ā | 6 | 0.0014 | 7 | 5 | 0.6495 | 5 | 0.6495 |
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