A.L. Khvalin - Dr. Sc. (Eng.), Associate Professor, Saratov State University named after N.G. Chernyshevsky. E-mail: khvalin63@mail.ru L.L. Strakhova - Ph. D. (Phys.-Math.), Associate Professor, Saratov State University named after N.G. Chernyshevsky A.V. Vorobiev - Engineer, NIKA-Microwave, Ltd (Saratov)

V.P. Koryachko - Dr. Sc. (Eng.), Professor, Head of Department, Department of Computer-Aided Design Systems, Ryazan State Radio Engineering University, Honored Scientist of RF. E-mail: sapr@rsreu.ru A.P. Shibanov - Dr. Sc. (Eng.), Professor, Department of Computer-Aided Design Systems, Ryazan State Radio Engineering University. E-mail: mail@shibanov.ryazan.ru O.V. Lukyanov - Post-graduate Student, Department of Computer-Aided Design Systems, Ryazan State Radio Engineering University; Head of Department, OKB «Spektr» (Ryazan). E-mail: luk_ov@mail.ru