A.S. Samodurov – Ph.D.(Eng.), Associate Professor, Department of Radio Equipment Engineering and Manufacturing, Voronezh State Technical University

E-mail: unaxel2000@mail.ru

N.V. Merkulova – Ph.D.(Philol.), Associate Professor, Faculty of Construction and Technology, Voronezh State Technical University

E-mail: ndvv@mail.ru

V.N. Kostrova – Dr.Sc.(Eng.), Professor, Department of Systems of Automated Design and Information Systems, Voronezh State Technical University

E-mail: sapris@ vorstu.ru

Unmanned aerial vehicles are one of the most popular directions of modern aviation development. It is aimed to consider a quite simple in design four-element annular antenna array and to analyze the influence on the bearing direction finding characteristics of such a mobile carrier which is an unmanned aerial vehicle. Theoretical consideration of the carrier body effect on the bearing direction finding errors is usually reduced to the problem of electromagnetic waves diffraction on conducting objects. Comparison of some absolute bearing direction finding errors obtained by the phase correlation method for the cases of placing the antenna array in free space and on the array carrier is given.

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