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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ghassemi, F. Amendola, G. Blanchard, Y. Alquie, G. Sou, G. |
| Copyright Year | 2005 |
| Description | Author affiliation: ELMI Lab., Paris (Ghassemi, F.; Amendola, G.; Blanchard, Y.) |
| Abstract | This paper reports a new digital circuit architecture to identify the resonant frequencies of a micro-resonant sensor. A generic and configurable model of micro-resonant sensors has been used to evaluate the efficiency of combining a pseudorandom excitation with a non-parametric harmonic retrieval algorithm all within a digital characterization circuit. Estimation of the resonant frequencies is based on the eigenanalysis of the autocorrelation matrix of the sensor's output. An original discrimination scheme compensate for the over-estimation on the number of harmonics. Results indicate that this architecture can spectrally identify resonant sensors with up to 4 mechanical resonant modes with an accuracy of a 100ppm on the frequency estimation. Implementation of this characterization circuit would allow micro-resonant sensor identification, calibration and default compensation |
| File Size | 292188 |
| File Format | |
| ISBN | 0780390563 |
| DOI | 10.1109/ICSENS.2005.1597798 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-10-30 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Micromechanical devices Resonance Sensor phenomena and characterization Mechanical sensors Resonant frequency Frequency estimation Electromechanical sensors Circuit noise Q factor Electronic circuits |
| Content Type | Text |
| Resource Type | Article |
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