METHOD FOR THE LOCALIZING OF TERRESTRIAL MOBILE RADIOS FROM AN AIRCRAFT

摘要

The disclosure relates to methods and devices for the real-time localization of terrestrial transmitters belonging to a TDMA type cellular radiocommunications network. The device comprises an antenna array, a multichannel receiver and a digital processor. The method consists of the interception, from an aircraft, of radioelectric signals and the detection of these signals by the implementation of a multichannel synchronization to determine the various sources of transmission, the simultaneous computation of an elevation angle .DELTA. and an azimuth angle .theta. to instantaneously determine the direction of arrival of the radioelectric signals from the determined transmission sources and the building of tracks in the geographical areas in which the transmission sources are located in order to estimate the position of the transmitters.