Time-frequency plane splitting for the first order local polynomial Fourier transform

Time-frequency plane splitting for the first order local polynomial Fourier transform

In this paper we present a time-frequency plane tiling (splitting) approach for the local polynomial Fourier transform. Comparison of the proposed approach with the one based on the short-time Fourier transform is given. Advantages of the first order local polynomial Fourier transform in the localiz...

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Hauptverfasser: Draskovic, A., Brajovic, M., Dakovic, M., Stankovic, Lj
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Discrete Fourier transforms
LFM signals
LPFT
Polynomials
Signal analysis
signal processing
STFT
Time-frequency analysis
Time-frequency signal analysis
Time-frequency tilling
Vectors
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Beschreibung
Zusammenfassung:In this paper we present a time-frequency plane tiling (splitting) approach for the local polynomial Fourier transform. Comparison of the proposed approach with the one based on the short-time Fourier transform is given. Advantages of the first order local polynomial Fourier transform in the localization and analysis of LFM signals are shown. Signals that can locally be approximated by the LFM signals are also considered. Theory is illustrated by several examples.
DOI:10.1109/TELFOR.2013.6716265