Research Article
Noise Reduction for Modal Parameter Identification of the Measured FRFs Using the Modal Peak-Based Hankel-SVD Method
| | Simulation time | Noise removal rate (SNR = 7.68 dB) | Noise removal rate (SNR = 3.25 dB) | Noise removal rate (SNR = 0.31 dB) | Noise removal rate (SNR = −1.89 dB) |
| | 1 | 0.947717 | 0.902006 | 0.858859 | — | | 2 | 0.945414 | 0.903764 | 0.881271 | — | | 3 | 0.941209 | 0.916029 | 0.845278 | 0.837777 | | 4 | 0.942136 | 0.916785 | — | 0.776679 | | 5 | 0.947392 | 0.906086 | — | 0.815477 | | Successful rate | 100% | 100% | 60% | 60% |
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