Multi target tracking initiation with passive angle...

G - Physics – 01 – S

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G01S 5/04 (2006.01) G01S 3/04 (2006.01) G01S 3/74 (2006.01)

Patent

CA 2279189

The present invention is in general related to tracking of multiple targets by means of measurements by various sensors. In particular the invention provides procedures for track initiation during multiple target tracking by means of measurements from passive sensors. The invention defines a quality measure for each tentative new target, by which the tentative targets are sorted and selected. The calculation of the parameters of possible targets and their covariance are preferably performed in a recursive manner. The track initiation comprises the steps of creating strobe tracks, calculating strobe track crosses, selecting a strobe track cross as a probable target and creating a target track.

L'invention concerne généralement la poursuite de plusieurs pistes cibles au moyen de mesures par différents capteurs, et plus particulièrement, des procédures de lancement de poursuite pendant la poursuite de plusieurs pistes cibles par des mesures faites au moyen de capteurs passifs. L'invention définit pour chaque nouvelle cible tentée une mesure de qualité permettant de trier et de sélectionner les cibles tentées. Le calcul de paramètres de cibles possibles et leur covariance sont de préférence réalisés de façon récursive. Le lancement de la poursuite consiste à créer des pistes échantillons, à calculer des intersections de pistes échantillons, à sélectionner une intersection de piste échantillon et à créer une piste échantillon.

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