Device and method to detect an object in a given area,...

Details Device and method to detect an object in a given area,... Device and method to detect an object in a given area,...

G - Physics

08

G

G08G 1/015 (2006.01) G01S 7/48 (2006.01) G01S 17/02 (2006.01) G08G 1/01 (2006.01) G01S 17/58 (2006.01)

Patent

CA 2282539

When detecting an object in a given area, especially vehicles for the purposes of traffic control, there appear to be inaccuracies in the system based on measuring pulse propagation times. In order to avoid such inaccuracies, a sample of observed (measured) real values is compared with a gauging table having a sample of values stored therein, so that pulse propagation time measurements are no longer necessary.

Lors de la détection d'un objet dans une zone donnée, en particulier des véhicules aux fins de la surveillance du trafic, apparaissent des imprécisions dans le système fondé sur la mesure des temps de propagation des impulsions. Pour éviter ces imprécisions, on compare un échantillon de valeurs réelles observées (mesurées) avec une table de calibrage dans laquelle sont stockés des échantillons de valeurs, rendant ainsi entièrement superflue la mesure des temps de propagation.

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