Robust Time-Frequency Distributions with Complex-Lag Argument
Srdjan Stanković, Irena Orović, Nikola Žarić
EURASIP Journal on Advances in Signal Processing · 2010
doi:10.1155/2010/879874 (opens in a new tab)
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Abstract
The robust time-frequency distributions with complex-lag argument are proposed. They can provide an accurate estimation of fast varying instantaneous frequency in the presence of noise with heavy-tailed probability density function. The L-estimate form of this distribution is defined and it includes the L-estimate form of Wigner distribution as a special case. A modification for multicomponent signal representation is proposed, as well. Theoretical considerations are illustrated by the examples.
Abstract licence: CC BY-NC-ND
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