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Robust adaptive local polynomial Fourier transform

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1 Author(s)
Djurović, I. ; Electr. Eng. Dept., Univ. of Montenegro, Yugoslavia

A robust form of the local polynomial Fourier transform (LPFT) is introduced. This transform can produce a highly concentrated time-frequency (TF) representation for signals embedded in an impulse noise. Calculation of the adaptive parameter in the proposed transform is based on the concentration measure. A modified form, calculated as a weighted sum of the robust LPFT, is proposed for multicomponent signals.

Published in:

Signal Processing Letters, IEEE  (Volume:11 ,  Issue: 2 )