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A Method for Damping Estimation Based On Least Square Fit [dataset]

Ajer Journal, Meiping Sheng2 Jintao Gu1
2015 Figshare  
A new approach based on least square fit method is proposed to estimate damping. Noise resistance of the proposed method and half-power bandwidth method are analyzed and compared by plenty of simulations with different signal-to-noise ratios (SNR). The proposed method is more accurate and stable than half-power bandwidth method in all SNRs, especially when the noise level is high. If , the proposed method should be used for damping estimation instead of half-power bandwidth method. A damping
more » ... ethod. A damping estimation experiment is carried out with both methods, and the results indicate and verify that there is smaller variability for the proposed method.
doi:10.6084/m9.figshare.1500839.v1 fatcat:dgsh3ck6k5e2rmxjtxumo5y3xa