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Measurement Techniques

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31-08-2016 | RADIO MEASUREMENTS

Investigation of an Operational Method for Measuring Frequency and Amplitude of Signals with Slowly Varying Parameters

Authors: A. V. Nikitin, A. O. Nikitin, A. A. Orlov

Published in: Measurement Techniques | Issue 5/2016

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Abstract

We investigate a nonlinear parametric method of estimating the instantaneous frequency and amplitude of a quasi-harmonic signal. We obtain analytical expressions for variance estimates and their displacement, confirmed by numerical simulations. Experimental verification of the method on a real signal confirmed the ability to determine its frequency with a relative error less than 10^–5 in a time interval of about 30 periods of the test signal.

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Title: Investigation of an Operational Method for Measuring Frequency and Amplitude of Signals with Slowly Varying Parameters
Authors: A. V. Nikitin
A. O. Nikitin
A. A. Orlov
Publication date: 31-08-2016
Publisher: Springer US
Published in: Measurement Techniques / Issue 5/2016
Print ISSN: 0543-1972
Electronic ISSN: 1573-8906
DOI: https://doi.org/10.1007/s11018-016-1004-3

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