Research Article
RETRACTED: Application of Improved Combined Deterministic-Stochastic Subspace Algorithm in Bridge Modal Parameter Identification
Table 3
Comparative analysis results of frequency.
| | Results | The first order | The second order | The third order | The fourth order | The fifth order |
| | MIDAS results (Hz) | 1.04 | 2.56 | 3.77 | 4.54 | 8.43 | | Working condition: C1 (Hz) | 1.11 | 2.44 | 3.87 | 4.68 | 8.74 | | Percentage difference 1 (%) | −6.3 | 4.9 | −2.6 | −3.0 | −3.5 | | Working condition: S1 (Hz) | 1.09 | 2.42 | 3.89 | 4.72 | 8.84 | | Percentage difference 2 (%) | −4.6 | 5.8 | −3.1 | −3.8 | −4.6 |
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