Ghost eliminating equalizer

H - Electricity – 03 – H

Patent

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H03H 17/06 (2006.01)

Patent

CA 2409518

An equalizer substantially eliminates a ghost of a received main signal by (i) applying coefficients b (where b may be equal to one) to the received main signal and the ghost in order to modulatethe received main signal and the ghost so that the received main signal and the ghost are unequal, (ii) applying coefficients a tothe modulated received main signal and ghost in order to substantially eliminate the ghost, and (iii) applying coefficients c as a window function to the substantially ghost-free received main signal in order to remove the modulation imposed on the received main signal by the coefficients b.

Cet égaliseur élimine sensiblement un signal fantôme d'un signal principal reçu en (i) appliquant des coefficients (b) (b pouvant être égal à un) au signal principal reçu et au signal fantôme, de manière à moduler le signal principal reçu et le signal fantôme, de façon que le signal principal et le signal fantôme ne soient pas égaux, (ii) à appliquer des coefficients (a) au signal principal reçu et au signal fantôme, de manière à sensiblement éliminer le signal fantôme, et (iii) à appliquer des coefficients (c) en tant que fonction de fenêtre au signal principal reçu, sensiblement dépourvu de signal fantôme, de façon à enlever la modulation imposée sur ce signal principal reçu, par l'application des coefficients (b).

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