Noise Reduction for Modal Parameter Identification of the Measured FRFs Using the Modal Peak-Based Hankel-SVD Method

<div>Curve fitting results of the noised and noise-free FRF signals. (a) Curve fitted energy spectrum of original FRF. (b) Curve fitted phase spectrum of original FRF. (c) Curve fitted energy spectrum of noised FRF (d) Curve fitted phase spectrum of noised FRF.</div>

Shock and Vibration

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Figure 4

Figure 4: Noise Reduction for Modal Parameter Identification of the Measured FRFs Using the Modal Peak-Based Hankel-SVD Method 