A. Yu. Sedakov - Dr.Sc. (Eng.), Director of FSUE FRPC - Measuring System Research Institute n.a. Yu.Ye. Sedakov - (Nizhny Novgorod) V. L. Zephirov - Head of Research Team, FSUE FRPC - Measuring System Research Institute n.a. Yu.Ye. Sedakov - (Nizhny Novgorod). E-mail: vzefirov@niiis.nnov.ru L. A. Khasyanova - Leading Process Engineer, FSUE FRPC - Measuring System Research Institute n.a. Yu.Ye. Sedakov - (Nizhny Novgorod)

E.S. Shamsutdinova1, M.V. Lomova2, R.A. Anisimov3

1 Kotel’nikov Institute of Radioengineering and Electronics of RAS (Moscow, Russia)

2,3 Chernyshevsky Saratov State University (Saratov, Russia))