P.A. Ageev - Research Scientist of JSC - V. Tikhomirov Scientific Research Institute of Instrument Design?. E-mail: 4duskfall@gmail.com
R.I. Zudov - Post-graduate Student, Peter The Great St.Petersburg Polytechnic University. E-mail: ronnwind@gmail.com
V.A. Sorotsky - Dr. Sc. (Eng.), Head of Department, Peter The Great St.Petersburg Polytechnic University. E-mail: sorotsky@mail.spbstu.ru
