Device for carrying out digital combinations of signals

Details Device for carrying out digital combinations of signals Device for carrying out digital combinations of signals

H - Electricity

03

M

H03M 1/12 (2006.01)

Patent

CA 2108312

Analog signals picked up by sensors are oversampled and converted locally for example into streams of 1-bit digital words and, without any previous formatting are transmitted on transmission channels to a central station. The central station includes a storage and a combining circuit for combining and weighting directly these 1-bit words, as well as a filter for reconstituting, from the combinations, high-resolution digital words. A preferred application is combining of acoustic or seismic signals.

Des signaux analogiques recueillis par des capteurs sont suréchantillonnés et convertis localement par exemple en trains de mots numériques à 1 bit (bitstream) et, sans aucun formatage préalable, sont transmis sur des voies de transmission à une station centrale. Celle-ci comporte des moyens de mémorisation et des moyens de combinaison et de pondération directe de ces mots de 1 bit et des moyens pour reconstituer à partir des combinaisons, des mots numériques à résolution élevée. Application à la centralisation de signaux acoustiques ou sismiques.

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