V.I. Karpukhin – Dr.Sc.(Eng.), Professor, Main Research Scientist, 

MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh)

E-mail: slavakarpuhin@rambler.ru

R.R. Nevretdinov – Part-programming Engineer, MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh) E-mail: kenny-lives@mail.ru

We assessed the probability of sidelobe selection in a multibeam antenna array in order to eliminate abnormal direction-finding errors. For wideband multibeam direction-finding arrays, we provided a rationale for setting the uneven step of the beams within the working sector and working «every other beam» in the lower part of the operating range exceeding one and a half octaves.

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