Vehicle surveillance system

G - Physics – 01 – S

Patent

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Details

G01S 13/87 (2006.01) G01S 3/46 (2006.01) G01S 13/76 (2006.01) G01S 13/78 (2006.01) G01S 13/91 (2006.01)

Patent

CA 2409549

An algorithm for improved tracking of Air Traffic Control Radar Beacon System transponders is disclosed. The algorithm can be combined with a system that includes an interrogator which transmits an interrogation signal to an associated vehicle transponder at a first frequency, preferably 1030 MHZ in accordance with FAA regulations, and a receiver array which receives the transponder reply signal transmitted by the transponder at a second frequency, preferably 1090 MHZ in accordance with FAA regulations. An angle of arrival processor calculates an angle of the received reply signal, and a position processor calculates the vehicle position based on at least the received angle data.

La présente invention concerne un algorithme permettant une meilleure localisation de systèmes de balises radar répondeuses du contrôle de la circulation aérienne. Cet algorithme peut être associé à un système comprenant un interrogateur, qui transmet un signal d'interrogation à un transpondeur de véhicule associé, à une première fréquence, de préférence 1030 MHz selon la réglementation de la FAA (Federal Aviation Administration), et un ensemble récepteur, qui reçoit le signal de réponse du transpondeur, transmis par le transpondeur à une seconde fréquence, de préférence 1090 MHz selon la réglementation de la FAA. Une unité de traitement d'angle d'arrivée calcule un angle du signal de réponse reçu et une unité de traitement de position calcule la position du véhicule, en fonction d'au moins les données d'angle reçues.

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