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- Moran, Kari, et al.
(författare)
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Frequency Resolution of a Multi Degree of Freedom Resonator
- 2009
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Ingår i: 2009 IEEE Sensors. ; , s. 865-868
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Konferensbidrag (refereegranskat)abstract
- This paper outlines the process for estimating measurable parameters in a multi degree of freedom micro resonator. Thermal mechanical noise provides a baseline limit for frequency resolution of micro resonators. We develop the likelihood function for a linear regression model of 2 degree of freedom resonator. Using the Cramer-Rao inequality we determine the minimum possible covariance to estimate parameters, such as the natural frequency of the system.
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