Goldstein, A.
and Kyriazis, G.
(2023),
Estimating Parameters of Wide-Band FM Signals from Prior Information about their Sinusoidal Modulation, IEEE Transactions on Instrumentation and Measurement
(Accessed February 14, 2026)
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Estimating Parameters of Wide-Band FM Signals from Prior Information about their Sinusoidal Modulation
Published
Author(s)
, Gregory Kyriazis
Abstract
Estimation of the parameters of frequency modulated (FM) signals presents a significant challenge when the peak frequency deviation is large compared to the modulation frequency. In the frequency domain, such signals contain many significant side-bands and so are considered to be wide-band FM signals. Standards are being developed for the testing of frequency and rate of change of frequency (ROCOF) measuring instruments used in electrical power transmission and distribution systems. To verify the measuring and operating ranges of these instruments under dynamic conditions, injection of wide band FM signals with carrier frequency equal to the power system nominal frequency (50 Hz or 60 Hz) is being envisaged. A refinement is proposed here to one method of FM signal parameter estimation in the time domain which uses prior information about the modulation frequency. This refinement overcomes convergence difficulties when the signal is wide-band by finding an improved initial estimate for the modulation phase.Citation
IEEE Transactions on Instrumentation and Measurement
Pub Type
Journals
Keywords
Signal Processing, Bayes methods, calibration, modulation, param19 eter estimation
Citation
Issues
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Created July 6, 2023, Updated February 13, 2026