Журнал «Радиотехника» | Издательство РАДИОТЕХНИКА

A.A. Reut - Ph.D. (Biol.), Research Scientist, Laboratory of Introduction and Selection of Flowering Plants, Federal State Institution of Science Botanical Garden-Institute, Ufa Scientific Center Russian Academy of Sciences (Ufa). E-mail: cvetok.79@mail.ru
L.N. Mironova - Ph.D. (Agric.), Head of the of the Laboratory of Introduction and Selection of Flowering Plants, Federal State Institution of Science Botanical Garden-Institute, Ufa Scientific Center Russian Academy of Sciences (Ufa)

Content of pharmacologically active phenolic compounds in the raw material of Echinacea Purpurea plants grown up in different regions of Russia

N.I. Sidel-nikov - Dr. Sc. (Agr.), Director, All-Russian Research Institute of Medicinal and Aromatic Plants (VILAR), Moscow. E-mail: vilarnii@mail.ru V.I. Ossipov - Dr. Sc.(Biol.) Senior Researcher of the All-Russian Research Institute of Medicinal and Aromatic Plants (VILAR), Moscow A.N. Sidel-nikov - Post-graduate Student, All-Russian Research Institute of Medicinal and Aromatic Plants (VILAR), Moscow F.M. Hazieva - Ph. D. (Biol.), Head of Department of Agrobiology and Selection, All-Russian Research Institute of Medicinal and Aromatic Plants (VILAR), Moscow. E-mail: vilar.6@yandex.ru

Analysis of autoregressive sequences with multiple roots of characteristic equations

K.K. Vasilev – Dr. Sc. (Eng.), Professor, Head of Department «Telecommunications», Ulyanovsk State Technical University E-mail: vkk@ulstu.ru

N.A. Andriyanov – Post-graduate Student, Department «Telecommunications», Ulyanovsk State Technical University E-mail: nikita-and-nov@mail.ru

Application of an algebraic criterion for assessing the stability of automatic control systems containing links with a transport delay

S. G. Burluckij1, Yu. A. Kuzmichev2, N. A. Ovchinnikova3

1-3 Saint-Petersburg State University of Aerospace Instrumentation (St. Petersburg, Russia)

1 sergey_burluckiy@mail.ru, 2 y.kuzmichev63@mail.ru, 3 NA_Ovchinnikova@guap.ru