초록 ▼

A receiver of satellite signals serving for location (GNSS) adapted to be fixed on a support having at least one antenna able to receive the satellite signals serving for location. The antenna includes at least two mobile phase centers for determining a location on the basis of the satellite signals

A receiver of satellite signals serving for location (GNSS) adapted to be fixed on a support having at least one antenna able to receive the satellite signals serving for location. The antenna includes at least two mobile phase centers for determining a location on the basis of the satellite signals received, and a displacement device adapted for displacing the phase centers, for selecting one of the phase centers and for determining a position of the selected phase center with respect to the support.

대표청구항 ▼

1. A receiver of satellite signals serving for location adapted to be fixed on a support comprising: at least one antenna able to receive the satellite signals serving for location, the antenna comprising at least two mobile phase centers,determination means for determining a location on the basis o

1. A receiver of satellite signals serving for location adapted to be fixed on a support comprising: at least one antenna able to receive the satellite signals serving for location, the antenna comprising at least two mobile phase centers,determination means for determining a location on the basis of the satellite signals received, anddisplacement device for displacing the phase centers for selecting one of the phase centers and for determining a position of the selected phase center with respect to the support,wherein said determination means is configured to determine a location, on the basis of said position of the selected phase center with respect to the support, said position being transmitted by said displacement device, by correction of a variation of the phase of the signal received, the variation being caused by the displacement of the selected phase center,wherein said determination means for determining a location include: a first sub-means for multiplying the satellite signal by a signal generated in the receiver and having a frequency dependent on the frequency of the carrier of the satellite signal, in order to obtain a first signal,a second sub-means for multiplying the first signal by another signal generated in the receiver and having a carrier phase dependent on the position of the phase center, in order to obtain a second signal,a sub-means for demodulating the second signal, in order to obtain a third signal, anda sub-means for integrating the third signal over a period dependent on the period of displacement of the phase center. 2. The receiver according to claim 1, in which said displacement means are adapted for displacing at least one of the reception antennas. 3. The receiver according to claim 2, in which said determination means for determining a location include: a third sub-means for multiplying the satellite signal by a first additional signal generated in the receiver and having a frequency dependent on the frequency of the carrier of the satellite signal, in order to obtain a fourth signal,a fourth sub-means for demodulating the fourth signal, in order to obtain a fifth signal,a fifth sub-means for multiplying the fifth signal by a second additional signal generated in the receiver and having a carrier phase dependent on the position of the phase center, in order to obtain a sixth signal,a sixth sub-means for integrating the sixth signal over a period dependent on the period of displacement of the said phase center. 4. The receiver according to claim 1, in which said determination means for determining a location include: a third sub-means for multiplying the satellite signal by a first additional signal generated in the receiver and having a frequency dependent on the frequency of the carrier of the satellite signal, in order to obtain a fourth signal,a fourth sub-means for demodulating the fourth signal, in order to obtain a fifth signal,a fifth sub-means for multiplying the fifth signal by a second additional signal generated in the receiver and having a carrier phase dependent on the position of the phase center, in order to obtain a sixth signal,a sixth sub-means for integrating the sixth signal over a period dependent on the period of displacement of the phase center. 5. The receiver according to claim 1, in which said second sub-means are adapted for generating a signal having a frequency dependent on the projection of the speed of a displacement vector of the phase center in the direction of a reception of the satellite signal.