Frequency Resolution of a Multi Degree of Freedom Resonator

被引：0

作者：

Moran, K. ^{[1
]}

DeMartini, B. E. ^{[1
]}

Turner, K. L. ^{[1
]}

Astrom, K. J. ^{[2
]}

机构：

[1] Univ Calif Santa Barbara, Dept Mech Engn, Santa Barbara, CA 93106 USA

[2] Lund Univ, Dept Automat Control LTH, Lund, Sweden

来源：

2009 IEEE SENSORS, VOLS 1-3 | 2009年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

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.

引用

页码：866 / +

页数：2

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