M.L. Artyomov – Dr. Sc. (Eng.), Associate Professor, Director of STC «REB and spetssvyaz», 

JSC «Concern «Sozvezdie» (Voronez)

E-mail: artemov@sozvezdie.su

O.V. Afanasyev – Ph. D. (Eng.), Deputy Head of Scientific and Technical Bureau, JSC «Concern «Sozvezdie» (Voronez) E-mail: ntu541@sozvezdie.su

M.P. Slichenko – Ph. D. (Phys.-Math.), Head of Sector, JSC «Concern «Sozvezdie» (Voronez)

E-mail: ntu541@sozvezdie.su

E.S. Artemova – Engineer, JSC «Concern «Sozvezdie» (Voronez) E-mail: ntu541@sozvezdie.su

Within the limits of statistical radio engineering on the basis of Bayesian methodology expression for a posteriori probability density of an azimuth and an angle of a elevation of arrival of radio-waves of radiants of radio emissions are receiv. Expression are fair for detection-direction finders with antenna system with arbitrary a configuration and in performances of a directedness of receiving antenna elements, and also matrixes of coefficients of correlation of noise. The method of determination of a posteriori probability density are adaptive to are a priori unknown intensity of noise. The posteriori probability density are defin by a priori probability density, the diagrammed of a directedness of antenna system of detection-direction finder, matrixes of mutual energies and coefficients of correlation of noise.

On the basis of a posteriori probability density пеленга the criterion of an estimation of indexes of reliability of outcomes of direction finding of radiants of radio emissions are offer. According to the criterion the estimation of a direction of arrival of a radio-wave are considered authentic if the posterior probability of the estimation exceeded the set minimum threshold value. The offer criterion together with criterion of Neumann-Pearson allowed to spend an estimation of indexes of reliability of outcomes of joint detectiondirection finding of radiants of radio emissions and to raise effectiveness of functioning of subsystems of radio-electronic investigation.

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