80 E.M. Hernandez vibrations [1], noise contaminated signals contain significantly less information about damping in comparison to the information contained about natural frequency. This was quantified by comparing the respective coefficients of variation induced by the CRLB. References 1. Gersch W (1974) On the achievable accuracy of structural system parameter estimates. J Sound Vib 34(1):63–79 2. Kay SM (1993) Fundamentals of statistical signal processing: estimation theory. Prentice Hall, Upper Saddle River 3. Wigren T, Nehorai A (1991) Asymptotic Cramer-Rao bounds for estimation of the parameters of damped sine waves in noise. IEEE Trans Signal Process 39(4):1017–1020
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