Method and device for the aggregation of signals from...

Details Method and device for the aggregation of signals from... Method and device for the aggregation of signals from...

H - Electricity

04

J

H04J 3/02 (2006.01) G06J 1/00 (2006.01)

Patent

CA 2230481

A method of forming an aggregation of N > 1 band-limited time signals, each with a bandwidth of ~ B, which are present as analog and/or digital sampling values, with a respective sampling frequency of fA > 2B, is characterized in that the sampling values of all N time signals are offset in time and superimposed on each other, and are jointly input to a low-pass filter (12) with a bandwidth of B' > B, and that a composite signal is tapped off from the output of the low-pass filter (12). This allows the aggregation to be performed in a considerably shorter calculation time, a number of slow and expensive aggregation elements can possibly be saved, and the damping of the signals during processing can be minimized, as well as the corresponding loss of information.

Méthode de regroupement de N > 1 signaux de temporisation à bande limitée présents sous forme de valeurs d'échantillonnage analogiques et(ou) numériques, chacun ayant une bande passante de ~B avec une fréquence d'échantillonnage respective de fA > 2B. La méthode se caractérise par le fait que les valeurs d'échantillonnage des N signaux de temporisation sont décalées dans le temps et superposées les unes aux autres, puis transmises conjointement à un filtre passe-bas (12) doté d'une bande passante de B > B, et qu'un signal composite est prélevé à la sortie du filtre passe-bas (12). Cela permet d'effectuer le regroupement dans un temps de calcul considérablement plus court, de se passer éventuellement d'un certain nombre d'éléments de regroupement lents et coûteux, et de réduire au minimum l'amortissement des signaux pendant le traitement, ainsi que la perte d'information associée.

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