Non-complex dual-correlation phase reversal detector and method

Details Non-complex dual-correlation phase reversal detector and method Non-complex dual-correlation phase reversal detector and method

H - Electricity

03

D

H03D 3/00 (2006.01) H04L 27/22 (2006.01) H04L 27/233 (2006.01)

Patent

CA 2171343

A simplified transition detector (100, 300) identifies phase reversal without relying upon complex correlation relationships or trellis techniques. Two correlation signals (304) are obtained using tones with a phase difference of .pi./2 (302). Zero-crossing information (306) on the two correlation signals (304) is used to detect phase reversal (308).

Détecteur (100, 300) simplifié de transition permettant l'identification d'une inversion de phase sans utilisation de relations de corrélation complexe ou de techniques de treillis. On obtient deux signaux (304) de corrélation en utilisant des tonalités présentant une différence de phase de .pi./2 (302). On utilise des informations (306) de passage par zéro relatives à ces deux signaux (304) de corrélation, afin de détecter l'inversion (308) de phase.

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