Amplitude range matching system

H - Electricity – 04 – B

Patent

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Details

H04B 7/005 (2006.01) H03G 3/30 (2006.01) H04L 1/00 (2006.01)

Patent

CA 2379514

The present invention, according to one embodiment, relates to a method for matching the dynamic range of an information signal to the dynamic range of a receptor. The method comprises the steps of: monitoring the information signal; varying the gain of the information signal in response to the monitoring step so as to provide a gain adjusted information signal; generating a variable control signal having a frequency outside frequency range of the information signal, in response to the monitoring step; combining the control signal with the gain adjusted information signal so as to provide a combined information signal; and providing a variable amplitude dependent gain to the combined information signal so as to provide an output signal that substantially matches the dynamic range of the receptor.

La présente invention, dans un de ses modes de réalisation, concerne un procédé visant à faire correspondre la gamme dynamique d'un signal d'information à la gamme dynamique d'un récepteur. Le procédé consiste à surveiller le signal d'information; à modifier le gain du signal d'information en fonction du résultat de la surveillance, de manière à générer un signal d'information avec un gain ajusté; à générer un signal de commande variable dont la fréquence est en dehors de la gamme de fréquence du signal d'information, en fonction du résultat de la surveillance; à combiner le signal de commande avec le signal d'information au gain ajusté, de manière à générer un signal d'information combiné; et à attribuer un gain dépendant d'amplitude variable au signal d'information combiné, de manière à générer un signal de sortie correspondant sensiblement à la gamme dynamique du récepteur.

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