Gps navigation using successive differences of carrier-phase...

Details Gps navigation using successive differences of carrier-phase... Gps navigation using successive differences of carrier-phase...

G - Physics

01

S

G01S 5/14 (2006.01)

Patent

CA 2565787

The present invention includes a process for navigating an object according to signals from satellites by propagating the position of the object forward in time using successive changes in the carrier-phase measurements. The process computes at a low rate matrices required for solving for the position of the objects, and repeatedly uses the most recently computed matrices to compute position updates at a high rate until the next low-rate computation is completed.

L'invention concerne un procédé de navigation d'un objet conformément à des signaux émis par des satellites par propagation de la position de l'objet à l'avance au moyen de variations successives des mesures de phase de la porteuse. Ce procédé calcule à faible débit les matrices requises pour résoudre la position des objets, et fait intervenir à plusieurs reprises les dernières matrices calculées pour calculer les mises à jour de la position à débit élevé jusqu'à ce que le calcul à faible débit suivant soit achevé.

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