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Vol. 177, Issue 8, August 2014, pp. 286-293

 

Bullet

 

Methods of Evaluation of Output Signals from Resonance Accelerometers
 

Stanislav ĎAĎO, Tomáš ROUBÍČEK, Jan ROHÁČ

Department of Measurement, Faculty of Electrical Engineering, Czech Technical University in Prague, Technicka 2, Prague, 166 27, Czech Republic

E-mail: dado@fel.cvut.cz, roubit@seznam.cz, jan.rohac@fel.cvut.cz

 

 

Received: /Accepted: 31 July 2014 /Published: 31 August 2014

Digital Sensors and Sensor Sysstems

 

Abstract: In this paper two novel modifications of Weighted Least Square Method (WLSM) of frequency estimation suitable for evaluation of rapid changes of frequency occurring in resonance sensors are introduced and experimentally verified. The efficiency of the WLSM methods is compared to the nano-counting approach representing a substantial improvement of well-known start-stop methods of frequency measurement and estimation.

 

Keywords: Resonance sensors, Accelerometers, Regression analysis, Frequency estimation, Weighted least square method, Nano-counting.

 

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