Gated imaging

G - Physics – 01 – S

Patent

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Details

G01S 17/89 (2006.01) G01S 7/483 (2006.01) G01S 17/10 (2006.01)

Patent

CA 2554955

An imaging system, including a transmission source providing pulse(s), and a gated sensor for receiving pulse reflections from objects located beyond a minimal range. The pulse and the gate timing are controlled for creating a sensitivity as a function of range, such that the amount of the energy received progressively increases with the range. Also an imaging method, including emitting pulse(s) to a target area, receiving reflections of pulses reflected from objects located beyond a minimal range, the receiving includes gating detection of the reflections, and progressively increasing the received energy of the reflections, by controlling the pulses and the timing of the gating.

La présente invention se rapporte à un système d'imagerie, qui comprend une source d'émission fournissant une ou plusieurs impulsions, et un capteur à déclenchement destiné à recevoir des réflexions d'impulsions émanant d'objet situés au-delà d'une portée minimale. L'on commande l'impulsion et la synchronisation du déclenchement, afin d'obtenir une sensibilité qui soit fonction de la portée, de façon que la quantité d'énergie reçue augmente progressivement avec la portée. L'invention a également trait à un procédé d'imagerie, qui consiste à émettre une ou plusieurs impulsions vers une zone cible, à recevoir les réflexions des impulsions réfléchies par des objets situés au-delà d'une portée minimale, ladite réception comprenant le déclenchement de la détection des réflexions, et à augmenter progressivement l'énergie reçue des réflexions, par la commande des impulsions et la synchronisation du déclenchement.

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