Method and apparatus for vector signal processing

G - Physics – 06 – F

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G06F 15/00 (2006.01)

Patent

CA 2629541

A vector signal processor (80) can include a digital to time converter (DTC), an RF memory (RFM) or an electronically tunable transmission line (ETTL) (82), a mixer, or other phase shifter (70) for receiving an output of the DTC or the ETTL, and a controller for selectively controlling the harmonic processing of the DTC, RFM or the ETTL and the phase processing of the mixer. The vector signal processor can uncouple a relative phase of a fundamental signal with respect to harmonics of the fundamental signal. The vector signal processor uses selective phase processing of the fundamental signal and related harmonic components. In a specific embodiment, the vector signal processor cancels harmonics of the fundamental signal and more specifically can cancel a third harmonic of the fundamental signal.

La présente invention concerne un processeur vectoriel du signal (80) comportant un convertisseur numérique-temporel ou "DTC" (Digital To Time Converter), une mémoire radiofréquence ou "RFM" (RF Memory) ou une ligne de transmission électroniquement accordable ou "ETTL" (Electronically Tunable Transmission Line) (82), un mélangeur ou autre déphaseur (70) pour recevoir une sortie du DTC ou de l'ETTL, et un contrôleur pour commander sélectivement le traitement harmonique du DTC, RFM ou ETTL et le traitement des phases du mélangeur. Le processeur vectoriel du signal peut découpler une phase relative d'un signal fondamental par rapport aux harmoniques du signal fondamental. Le processeur vectoriel du signal utilise le traitement sélectif des phases du signal fondamental et des composantes harmoniques s'y rapportant. Dans un mode de réalisation spécifique, le processeur vectoriel du signal annule les harmoniques du signal fondamental, et peut plus spécifiquement annuler une troisième harmonique du signal fondamental.

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