A.V. Bakhmutskaya1, A.P. Pavlov2, I.E. Kashchenko3

1−3 Omsk Scientific Center SB RAS (Institute of Radiophysics and Physical Electronics) (Omsk, Russia)

L.I. Averina1, N. E. Guterman2

1,2 JSC «Concern «Sozvezdie» (Voronezh, Russia)

1 averina@phys.vsu.ru; 2 n.guterman@internet.ru