A.L. Gelgor – Ph.D.(Eng.), Associate Professor, Higher School of Applied Physics and Space Technologies,  Peter The Great St. Petersburg Polytechnic University

E-mail: a_gelgor@mail.ru

A.I. Gorlov – Ph.D.(Eng.), Assistant, Higher School of Applied Physics and Space Technologies,  Peter The Great St. Petersburg Polytechnic University

E-mail: anton.gorlov@yandex.ru

Nguyen Van Phe – Post-graduate Student, Higher School of Applied Physics and Space Technologies,  Peter The Great St. Petersburg Polytechnic University

E-mail: nvphe1905@gmail.com

A.L. Gelgor – Ph.D.(Eng.), Associate Professor, Higher School of Applied Physics and Space Technologies  of Peter The Great St. Petersburg Polytechnic University

E-mail: A_Gelgor@mail.ru

Nguyen Tan Hoang Phuoc – Post-graduate Student, Higher School of Applied Physics and Space Technologies  of Peter The Great St. Petersburg Polytechnic University E-mail: hoangphuoc1704@yahoo.com

Nguyen Van Phe – Post-graduate Student, Higher School of Applied Physics and Space Technologies  of Peter The Great St. Petersburg Polytechnic University

E-mail: nvphe1905@gmail.com

A.L. Gelgor – Ph.D.(Eng.), Associate Professor, Higher School of Applied Physics and Space Technologies  of Peter The Great St. Petersburg Polytechnic University

E-mail: а_пelgor@mail.ru

Nguyen Tan Hoang Phuoc – Post-graduate Student, Higher School of Applied Physics and Space Technologies  of Peter The Great St. Petersburg Polytechnic University E-mail: hoangphuoc1704@yahoo.com

N.A. Vorobev1, V.I. Djigan2, P.V. Luferchik3

1,3 JSC «SPE «Radiosvyaz» (Krasnoyarsk, Russia)

2 National Research University «MIET» (Moscow, Russia)

1 vorobev_na@krtz.su, 2 djigan@org.miet.ru, 3 lpv@krtz.su

I. Lavrenyuk1, S.B. Makarov2, S.O. Melnikov3

1-3 Peter the Great St. Petersburg Polytechnic University (St. Petersburg, Russia)

1 lavrenyuk_i@spbstu.ru; 2 makarov@cee.spbstu.ru; 3 7atom7@mail.ru