A.L. Gelgor - Ph. D. (Eng.), Associate Professor, Department «Radio Engineering and Telecommunication systems», Peter The Great St.Petersburg Polytechnic University E-mail: a_gelgor@mail.ru A.I. Gorlov - Assistant, Department «Radio Engineering and Telecommunication systems», 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.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

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.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

T.E. Gelgor – Senior Lecturer, Department «Experimental Physics», 

Peter The Great St. Petersburg Polytechnic University

E-mail: tanya.gelgor@yandex.ru