G - Physics – 01 – S
Patent
G - Physics
01
S
343/87
G01S 1/24 (2006.01)
Patent
CA 1294692
ABSTRACT OF THE DISCLOSURE The invention concerns a method for the radiolocation of a vehicle carrying a receiving device. The radiolocation is performed by measuring the differences between the times for receiving radiofrequency signals transmitted by two transmitting stations geographically far away from each other, of at least one group of stations, each group comprising at least two transmitting stations including one master transmitter-forming station and at least one slave transmitter-forming station controlled by the master transmitter, each station transmitting a series of close electric pulses which are time-shifted in a predetermined way with respect to the series of pulses transmitted by the other stations, during a predetermined period of time, the method being characterized in that the acquisition of the signals and the measurement of the difference between the times for receiving the signals transmitted by transmitting stations of two different groups are performed in a unique receiving channel by performing the acquisitions and measurements of the signals transmitted by stations of one group during the predetermined period of time specific of this group and by performing the said acquisition and measurement of the signals of the transmitting stations of the second group during the interval of time which has been left available by the acquisition and measurement of the signals from the first group, during the period specific of this first group. The invention is useful for the radiolocation of ships or aircrafts.
571175
Mcfadden Fincham
Mlr Electronique
LandOfFree
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