P.V. Shtro1, P.V. Leferchick2, A. Yu. Shershunovich3, E.A. Kriger4

1-4 JSC “Scientific and Production Enterprise “Radiosvyaz” (Krasnoyarsk, Russia)

1 shtro_pv@krtz.su; 2 lpv@krtz.su; 3 shershunovich_au@krtz.su; 4 dsp@krtz.su