Formation method of virtual signal receiving channels

FIELD: radio engineering, communication. SUBSTANCE: invention relates to radio equipment and can be used at design and operation of radio direction finding complexes or radio communication systems of portable, mobile (onboard) and stationary location. On every element of an antenna array, an interval is recorded on time interval [0,T], formation of discrete spectrum of field intensity is performed using a Fourier transformation procedure; with that, for each of the obtained spectrum components there found is a vector of complex amplitudes/auxiliary sources as an approximate solution of a matrix-vector equation using a quasisolution procedure. Number of auxiliary sources is determined as number of the most significant proper numbers of an autocorrelation matrix of signals received by the antenna array, i.e. maximum and differing from the rest ones as to the value at least by one order. Then, values of a spectral component field are determined at an arbitrary point of antenna array plane (a virtual signal receiving channel is formed) as a scalar product of the determined vector of complex amplitudes of auxiliary sources and the corresponding vector of the virtual signal receiving channel. EFFECT: improving stable functioning of assessment methods of electromagnetic or acoustic filed intensity. 5 cl, 1 dwg