FIELD: physics, navigation.
SUBSTANCE: invention relates to radio direction-finding. The method includes receiving a multibeam signal using a multielement antenna system, synchronously converting an ensemble of received signals which depend on time and number of an antenna system element into digital signals, converting the digital signals into an amplitude-phase distribution (APD) signal vector which describes amplitude and phase distribution in antenna system elements, calculating a phasing function signal and determining bearings of signals for antenna system parameters given with an error. True bearing values are obtained by identifying the most probable estimates of antenna system parameters involved in the calculation via an iteration process of confluence analysis of signals, which enables to take into account the uncertainty of all values involved in the calculation, for refining values of antenna system elements and the APD signal included in determining bearings. After the iteration process, an interval estimate of the found bearings is determined based on a calculated correlation error matrix of the found bearing values.
EFFECT: high accuracy of direction-finding when receiving radio signals from one or more radio-frequency sources operating at one frequency, and obtaining interval estimates of bearing values.
1 dwg
