METHOD AND DEVICE FOR LOCATING A MOVING OBJECT SUBJECTED TO ROTATIONAL DYNAMICS ON ITS OWN AXIS

摘要

The invention relates to a device (400) for locating a moving object capable of being subjected to rotational dynamics on its own axis. The device includes a receiver (410) for a satellite positioning system, an inertial unit (420), and a hybrid navigation module (430). The hybrid navigation module (430) is configured to model the movement of an antenna (54) of the receiver (410) as well as the movement of a satellite, in order to estimate a value representative of the Doppler effect to which the signal emitted by the satellite and received by the antenna is subjected. This value is sent to an acquisition module (411) of the receiver in order to facilitate reacquisition of the satellite signal following a loss of the signal caused by the rotational movement of the moving object. The movement of the antenna (54) is estimated in particular by knowing the distance separating the antenna from a centre of inertia of the moving object.