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Communication Dans Un Congrès Année : 2013

Modeling Sine-Wave Image Component Contribution to Discrete Spectrum

Résumé

In this paper the analytical expression of the contribution of the fundamental image component to the discrete spectrum of a sine-wave weighted by a cosine class window is derived. It is then analysed for some commonly used windows in the case when the considered Discrete Fourier Transform (DFT) samples fall either inside or outside the band defined by the window spectrum main lobe centred at the sine-wave fundamental frequency. From the achieved results some conclusions about the behaviour of the image component contribution to the discrete spectrum of a sine-wave are drawn. The accuracies of the derived expressions are verified through computer simulations.
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Dates et versions

hal-01258546 , version 1 (20-01-2016)

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Domaine public

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  • HAL Id : hal-01258546 , version 1

Citer

Daniel Belega, Dominique Dallet, Dario Petri. Modeling Sine-Wave Image Component Contribution to Discrete Spectrum. IMEKO TC4 Symposium, Jul 2013, Barcelone, Spain. pp.722-726. ⟨hal-01258546⟩
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