Journal
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
Volume 60, Issue 3, Pages 1061-1069Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIM.2010.2062710
Keywords
Discriminant analysis; harmonic distortions; power spectrum; rice distribution; signal processing/analysis; spectrum analyzer measurements
Funding
- Flemish research foundation (FWO)
- Flemish Government [METH-1]
- Belgian Program on Interuniversity Poles of attraction [IUAP VI/4]
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The detection of periodic components buried in noise is a general problem in various engineering fields. The amplitudes in the frequency domain of a disturbed signal follow Rice distribution, which is fully described by two parameters. Most methods are restricted to automatically detecting the harmonic components. In this paper, we extend the methodology to detect significant harmonics in measured spectra such that, aside from detection, the magnitude of the harmonic component is also estimated, together with the probability that the harmonic component was incorrectly detected.
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