efficient spectral estimation of non-stationary harmonic signals using harmonic transform
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ID: 190880
2012
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Abstract
Non-stationary harmonic signals cannot be accuratelyrepresented by Fourier transform (FT). Fortunately, severalmethods for representing non-stationary harmonic signalsexist including Fan-Chirp trasnform (FChT) or Harmonic transform(HT). This article is focused on the Harmonic transform andits computation. Estimation of slope of fundamental frequencychange between analysed segments is essential for computationof the HT. The slope is estimated using several realisations ofHT and comparing the spectral flatness. Optimisation of thisprocedure is presented in the article.
| Reference Key |
trzos2012internationalefficient
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|---|---|
| Authors | ;Michal Trzos;Hasan Khaddour |
| Journal | química nova |
| Year | 2012 |
| DOI |
10.11601/ijates.v1i2-3.36
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