H - Electricity – 03 – H
Patent
H - Electricity
03
H
H03H 17/00 (2006.01) H03H 17/06 (2006.01)
Patent
CA 2233771
The present invention proposes a digital filter including a) - a plurality of means for the sampling (10, 11, 12, 13, 20, 21, 22, 30, 31) with different delays, of an incoming signal (S), and b) - means (7) to carry out a linear combination of samples produced by the said sampling means (10, 11, 12, 13, 20, 21, 22, 30, 31). The filter is characterised, in that a sampling frequency (F/2) of at least some of the sampling means (20, 21, 22) which are associated with delays longer than some of the other sampling means (10, 11, 12, 13) is shorter than a sampling frequency (F) of said other sampling means.
La présente invention est un filtre numérique comportant a) une pluralité de dispositifs d'échantillonnage (10, 11, 12, 13, 20, 21, 22, 30, 31) de signaux incidents (S), ces dispositifs ayant des retards différents, et b) un dispositif (7) servant à produire une combinaison linéaire des échantillons produits par les dispositifs d'échantillonnage (10, 11, 12, 13, 20, 21, 22, 30, 31). Le filtre de l'invention est caractérisé par le fait que la fréquence d'échantillonnage (F/2) de certains des dispositifs d'échantillonnage (20, 21, 22) dont les retards sont plus longs que ceux de certains des autres dispositifs d'échantillonnage (10, 11, 12, 13) est inférieure à la fréquence d'échantillonnage (F) de ces autres dispositifs.
Del Cerro Hiniesto Jose Luis
Soto Viso Jesus
Alcatel
Alcatel Alsthom Compagnie Generale D'electricite
Robic
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