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High-resolution multichannel instrument for resonant sensor array

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4 Author(s)
Ferrari, P. ; Dept. of Electron. for Autom. & INFM, Univ. of Brescia, Italy ; Flammini, A. ; Marioli, D. ; Taroni, A.

In this paper, the problem of measuring instruments for resonant sensor arrays is considered. A new multichannel instrument for frequency measurements has been developed using a numerical approach that improves noise immunity and decreases measuring time with respect to standard counting techniques. A smart least squares method for pre-processing of measurement data and an algorithm to achieve compression, are also presented. Finally, some experimental results are reported to demonstrate the performance of this instrument.

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Instrumentation and Measurement, IEEE Transactions on  (Volume:52 ,  Issue: 3 )