Novel Interpolation Method of Multi-DFT-Bins for Frequency Estimation of Signal with Parameter Step Change - Publikacja - MOST Wiedzy

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Novel Interpolation Method of Multi-DFT-Bins for Frequency Estimation of Signal with Parameter Step Change

Abstrakt

The IpDFT(Interpolation Discrete Fourier Trans-form) method is one of the most commonly used non-parametric methods. However, when a parameter (frequency, amplitude or phase) step changes in the DFT period, the DFT coefficients will be distorted seriously, resulting in the large estimation error of the IpDFT method. Hence, it is a key challenge to find an IpDFT method, which not only can eliminate the effect of the step-changed symbol, but also can sufficiently eliminate the fence effect and the spectrum leakage. In this paper, an IpDFT based method is proposed to estimate the frequency of the single tone signal with the step-changed parameters in the sampling signal sequence. The relationship between the DFT bins and the step changed parameters is given by several linear equations. At most six different DFT bins are used to eliminate the effect of symbol.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT nr 71,
ISSN: 0018-9456
Język:
angielski
Rok wydania:
2022
Opis bibliograficzny:
Wang K., Liu S., Wang L., Smulko J., Wen H.: Novel Interpolation Method of Multi-DFT-Bins for Frequency Estimation of Signal with Parameter Step Change// IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT -Vol. 71, (2022),
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1109/tim.2021.3139652
Źródła finansowania:
  • COST_FREE
Weryfikacja:
Politechnika Gdańska

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